How to determine the content of the diamond film diamond wheel, we must first understand what it is per cubic centimeter (cm3) containing the number of carats (ct) diamonds to be calculated. Details as follows:
1. 1.1ct/cm3 = 25%, 2.2ct/cm3 = 50%, 3.3ct/cm3 = 75%, 4.4ct/cm3 = 100%, 5.5ct/cm3 = 125%.
2. Ct diamond carat refers to polishing pads for granite the weight not volume, 1ct = 0.2g.
3 This method is the total content of the resin bond diamond wheel method. Ceramic metal-binding method and binding method, combined with the exception electroforming method.
4 low levels were used to reduce abrasive grinding Omo impedance, high levels were used for forming an acute grinding wheels angle grinding in order. Circular or other special shapes.
5 to diamond resin grinding wheel specification illustrate SDC150P100B that SDC diamond abrasives - 150 grit thickness - P end-stage combined hardness - content 100% (per cubic centimeter containing 4.4 kt diamond abrasive) -. B Resin France this content method of accounting in the resin bond diamond wheel method. ceramic metal-binding method and binding method, combined with the exception electroforming method.
Wheel during high speed rotation, if flying or fragmentation can cause casualties, mainly due to low quality abrasive tools or wheel mounted card irregularities. Second, in the process of grinding wheel will produce a lot of powder layer, the operator needs to wear a mask, or prolonged inhalation of this powder layer will lead to respiratory diseases, lung diseases.
Abrasive Tools
2013年10月21日星期一
Bit matrix performance design
Based on these two points, bit matrix performance design should include
steel bonded carbide type carcass composition and its properties. Type
of steel bonded carbide matrix diamond drill design and research, in
order to replace most of the metal grinding wheel tungsten carbide alloy, based on a certain
amount of nickel, cobalt, manganese, titanium, chromium, molybdenum and
other materials, and rare earth elements in hot conditions with the
formation of a certain hardness, wear resistance and can be securely
appropriate package insert diamond steel bonded carbide matrix [1]. We
focus on the matrix hardness, wear resistance and firmness diamond bezel
setting. Type of steel bonded carbide matrix material, you also need a
certain amount of phosphorous alloy material to replace part of pure
iron. Adding phosphorus alloy aims to reduce the sintering temperature
and increase the performance of the carcass brittle [3], and in favor of
a diamond blade in the matrix to improve the drilling time. In order to
control the phosphorus content in the matrix, in addition to a
phosphorus alloy powder, the pure iron carbonyl must join to control the
phosphorus content and improving the performance of the carcass. 1.2
steel bonded carbide type carcass test: For hard and compact rock
characteristics, drilling practices and diamond polishing pads preliminary studies indicate
that the matrix hardness to diamond drill HRB108 ~ HRB115 more
appropriate, the wear amount of lower-middle (260 mg ~ 370 mg) is ideal.
Steel bonded carbide type carcass preliminary trials have shown that in
order to achieve these targets, the carcass of the basic formula is as
follows: P 2 iron content of 40% to 48%, as a binder metal content of
26% tin bronze ~ 32% tungsten content of 12% ~ 28%, Ni content of 5% to
10%, the cobalt content of 3% to 7%, and the remaining ingredients are
titanium, manganese, molybdenum, chromium, and rare earth. According to
this basic ratio, the sintering process in a reasonable condition,
carcass materials and manufactured diamond drill has better adaptability
and drilling results. Process for hot carcass performance will have a
significant impact, which obviously affect the sintering temperature and
pressure [4]. Therefore, in the diamond blades study of steel bonded carbide matrix,
sintering temperature and pressure must be incorporated into the design
factors. Iron at high temperatures the diamond has some heat damage, it
should be shortened by rapid sintering and holding time. In this test,
the sintering process is designed to: sintering temperature 960 ℃,
pressure parameters 16 MPa, holding time 4 min. Sintering in SM1002A
carcass type resistance furnace controlled intelligent. The combination
of hot-pressing process is the result of many experiments and analysis
finalized, so it is reasonable. According to the above-mentioned range
of carcass composition and sintering processes, uniform design
experiments to study the carcass composition of steel bonded carbide
type changes on the carcass performance were investigated. In accordance
with the uniform design method, the experimental design of the 16 matrix
formula combinations in Table 1. Select the matrix hardness and wear
resistance properties of the target for the carcass. Matrix hardness
testing using HR - 150A Rockwell hardness tester, and select HRB as
measured values, for each combination of two samples of prototype
formulations, both sides of the direction of the pressure measured
twice, 8 hardness data were measured, taking Examples of the formulation
the average hardness value....
steel bonded carbide type carcass composition and its properties. Type
of steel bonded carbide matrix diamond drill design and research, in
order to replace most of the metal grinding wheel tungsten carbide alloy, based on a certain
amount of nickel, cobalt, manganese, titanium, chromium, molybdenum and
other materials, and rare earth elements in hot conditions with the
formation of a certain hardness, wear resistance and can be securely
appropriate package insert diamond steel bonded carbide matrix [1]. We
focus on the matrix hardness, wear resistance and firmness diamond bezel
setting. Type of steel bonded carbide matrix material, you also need a
certain amount of phosphorous alloy material to replace part of pure
iron. Adding phosphorus alloy aims to reduce the sintering temperature
and increase the performance of the carcass brittle [3], and in favor of
a diamond blade in the matrix to improve the drilling time. In order to
control the phosphorus content in the matrix, in addition to a
phosphorus alloy powder, the pure iron carbonyl must join to control the
phosphorus content and improving the performance of the carcass. 1.2
steel bonded carbide type carcass test: For hard and compact rock
characteristics, drilling practices and diamond polishing pads preliminary studies indicate
that the matrix hardness to diamond drill HRB108 ~ HRB115 more
appropriate, the wear amount of lower-middle (260 mg ~ 370 mg) is ideal.
Steel bonded carbide type carcass preliminary trials have shown that in
order to achieve these targets, the carcass of the basic formula is as
follows: P 2 iron content of 40% to 48%, as a binder metal content of
26% tin bronze ~ 32% tungsten content of 12% ~ 28%, Ni content of 5% to
10%, the cobalt content of 3% to 7%, and the remaining ingredients are
titanium, manganese, molybdenum, chromium, and rare earth. According to
this basic ratio, the sintering process in a reasonable condition,
carcass materials and manufactured diamond drill has better adaptability
and drilling results. Process for hot carcass performance will have a
significant impact, which obviously affect the sintering temperature and
pressure [4]. Therefore, in the diamond blades study of steel bonded carbide matrix,
sintering temperature and pressure must be incorporated into the design
factors. Iron at high temperatures the diamond has some heat damage, it
should be shortened by rapid sintering and holding time. In this test,
the sintering process is designed to: sintering temperature 960 ℃,
pressure parameters 16 MPa, holding time 4 min. Sintering in SM1002A
carcass type resistance furnace controlled intelligent. The combination
of hot-pressing process is the result of many experiments and analysis
finalized, so it is reasonable. According to the above-mentioned range
of carcass composition and sintering processes, uniform design
experiments to study the carcass composition of steel bonded carbide
type changes on the carcass performance were investigated. In accordance
with the uniform design method, the experimental design of the 16 matrix
formula combinations in Table 1. Select the matrix hardness and wear
resistance properties of the target for the carcass. Matrix hardness
testing using HR - 150A Rockwell hardness tester, and select HRB as
measured values, for each combination of two samples of prototype
formulations, both sides of the direction of the pressure measured
twice, 8 hardness data were measured, taking Examples of the formulation
the average hardness value....
2013年9月29日星期日
When coarse diamond size and granularity of a single
sharp saw blade, cutting efficiency is high, but the flexural strength of agglomerated diamond drop; when fine or coarse grained diamond size when mixed with saw blade durability, but efficiency is low. Considering these factors, choose diamond size 50/60 mesh is more appropriate.
(2) the selection of diamond concentration distribution
Within a certain range, when the diamond concentration changes from low to high, the blade sharpness and cutting efficiency 4 inch saw blades decreased, while life is gradually extended; but the concentration is too high, the blade becomes blunt. The use of low concentration, coarse, efficiency will be increased. The use of various parts of the cutting head when the different roles of different concentrations (i.e. three or more layer structure in the intermediate layer can be used in low concentrations), the saw blade during the work head to form an intermediate groove, with helps prevent blade deflection, thereby improving the quality of stone processing.
3 diamond strength selection
Is to ensure the strength of the diamond cutting important indicator of performance. High intensity causes the crystal is broken, the polishing abrasive grains are in use, the sharpness decreased, resulting in performance degradation tool; diamond enough strength when subjected to shock easily broken, difficult to bear heavy cutting. It should choose a strength of 130 ~ 140N.
4 choice of binder phase
Depends not only on the performance of concrete saw blades the blade diamond, but on the diamond and the binder with the appropriate head of this composite material composed of the overall performance. For marble and other soft stone, head of the mechanical properties required is relatively low, the choice of copper-based binder. The sintering temperature is low but the copper-based binder, strength, low hardness, high toughness, low bonding strength with the diamond. When adding tungsten carbide (WC), the WC or W2C to as a skeleton metal, with the amount of cobalt in order to improve the strength, hardness and binding properties, and add a small amount of low melting point and low hardness Cu, Sn, Zn and other metal for bonding phase. Main plus ingredients should be finer than 200 mesh size, add ingredients finer than 300 mesh size should be.
5 Select the sintering process
As the temperature increases, the core bits for concrete carcass densification improved flexural strength also will increase, and with the holding time, the blank matrix and diamond caked flexural strength increased firstly and then decreased, you can choose 120s at 800 ℃ sintering processes to meet performance requirements.
(2) the selection of diamond concentration distribution
Within a certain range, when the diamond concentration changes from low to high, the blade sharpness and cutting efficiency 4 inch saw blades decreased, while life is gradually extended; but the concentration is too high, the blade becomes blunt. The use of low concentration, coarse, efficiency will be increased. The use of various parts of the cutting head when the different roles of different concentrations (i.e. three or more layer structure in the intermediate layer can be used in low concentrations), the saw blade during the work head to form an intermediate groove, with helps prevent blade deflection, thereby improving the quality of stone processing.
3 diamond strength selection
Is to ensure the strength of the diamond cutting important indicator of performance. High intensity causes the crystal is broken, the polishing abrasive grains are in use, the sharpness decreased, resulting in performance degradation tool; diamond enough strength when subjected to shock easily broken, difficult to bear heavy cutting. It should choose a strength of 130 ~ 140N.
4 choice of binder phase
Depends not only on the performance of concrete saw blades the blade diamond, but on the diamond and the binder with the appropriate head of this composite material composed of the overall performance. For marble and other soft stone, head of the mechanical properties required is relatively low, the choice of copper-based binder. The sintering temperature is low but the copper-based binder, strength, low hardness, high toughness, low bonding strength with the diamond. When adding tungsten carbide (WC), the WC or W2C to as a skeleton metal, with the amount of cobalt in order to improve the strength, hardness and binding properties, and add a small amount of low melting point and low hardness Cu, Sn, Zn and other metal for bonding phase. Main plus ingredients should be finer than 200 mesh size, add ingredients finer than 300 mesh size should be.
5 Select the sintering process
As the temperature increases, the core bits for concrete carcass densification improved flexural strength also will increase, and with the holding time, the blank matrix and diamond caked flexural strength increased firstly and then decreased, you can choose 120s at 800 ℃ sintering processes to meet performance requirements.
2013年9月27日星期五
Diamond Certification
In fact, to identify the authenticity of a diamond, with a 10x magnifying glass only as an auxiliary operand can be a simple observation
Method One:
Observed diamond waist, waist-shaped frosted if it is best suited for this method, because more than any diamond imitations hard abrasive tools to take, it will not appear as risk imitations like thin strip lines, diamond waist is grainy appearance.
Method two:
Also because of the diamond imitations than to take a hard, run imitations facet ridge often feel obtuse than diamond, and diamond facets must be a sharp ridge. Method three:
Than the risk-based diamond imitations hard, take imitations facet ridge often appears wear. Method four:
If left natural diamond surface, there is the opportunity to discover the natural surface of the diamond's unique "triangular growth pattern five:
If the diamond appear Bengduan mouth, usually are ladder-like appearance, but it will take very different presentation of imitation goods curved arc or conchoidal. A specific gravity test:
There are a measure of the proportion of drill bits liquid gemstone weight; specific gravity of 3.32 we can use the test liquid used genuine diamonds. The specific gravity of 3.52 natural diamonds, the proportion of all natural diamonds placed in the water will sink, so that both the proportion of water floating in gems, diamonds can be sure it's not.
(2) penetration observation:
Diamond has a high refractive index, the higher the refractive index of the diamond, the stronger the light reflected power, relatively low degree of perspective. May prepare a picture of a straight paper to be measured two unknown diamonds, face down, capping in a straight line from the back of the diamond to the naked eye directly read on, if they floor polisher pads can see the diamond under pressure a straight line, it is certainly not a natural diamond.
3 lipophilic law:
There is a diamond on the oil "oil absorption" fake diamond does not have this feature. Diamonds dipped slightly in the face amount of grease, rub the diamond with the thumb, the thumb will feel a plastic viscosity, easy to slide, and then let the thumb with fake diamonds slippery feeling.
4 breathe test:
Natural diamond heat transfer capacity, good heat disperse quickly. Diamond to be tested near your mouth, breathe gently, so that the tested diamond covered with mist, then immediately watch the diamond mist volatile situations, such as natural diamonds, the fog will be immediately dispersed, whereas in the fog fake diamonds remain for a while, until dispersed.
Method One:
Observed diamond waist, waist-shaped frosted if it is best suited for this method, because more than any diamond imitations hard abrasive tools to take, it will not appear as risk imitations like thin strip lines, diamond waist is grainy appearance.
Method two:
Also because of the diamond imitations than to take a hard, run imitations facet ridge often feel obtuse than diamond, and diamond facets must be a sharp ridge. Method three:
Than the risk-based diamond imitations hard, take imitations facet ridge often appears wear. Method four:
If left natural diamond surface, there is the opportunity to discover the natural surface of the diamond's unique "triangular growth pattern five:
If the diamond appear Bengduan mouth, usually are ladder-like appearance, but it will take very different presentation of imitation goods curved arc or conchoidal. A specific gravity test:
There are a measure of the proportion of drill bits liquid gemstone weight; specific gravity of 3.32 we can use the test liquid used genuine diamonds. The specific gravity of 3.52 natural diamonds, the proportion of all natural diamonds placed in the water will sink, so that both the proportion of water floating in gems, diamonds can be sure it's not.
(2) penetration observation:
Diamond has a high refractive index, the higher the refractive index of the diamond, the stronger the light reflected power, relatively low degree of perspective. May prepare a picture of a straight paper to be measured two unknown diamonds, face down, capping in a straight line from the back of the diamond to the naked eye directly read on, if they floor polisher pads can see the diamond under pressure a straight line, it is certainly not a natural diamond.
3 lipophilic law:
There is a diamond on the oil "oil absorption" fake diamond does not have this feature. Diamonds dipped slightly in the face amount of grease, rub the diamond with the thumb, the thumb will feel a plastic viscosity, easy to slide, and then let the thumb with fake diamonds slippery feeling.
4 breathe test:
Natural diamond heat transfer capacity, good heat disperse quickly. Diamond to be tested near your mouth, breathe gently, so that the tested diamond covered with mist, then immediately watch the diamond mist volatile situations, such as natural diamonds, the fog will be immediately dispersed, whereas in the fog fake diamonds remain for a while, until dispersed.
2013年9月25日星期三
grinding machine vibration on quality of
Grinding the disk side jump and machine vibration will cause the grinding disc facing the impact of the blade, thus undermining the straight edge, in which the disk side jump in particular more direct concrete saw blades impact, which is caused due to the impact direction side jump perpendicular to the disk. Figure 3 and Figure 4 are the degree of the disk saw blade and the machine side jump between vibration. Seen from the figure, the disk side jump serrated blade and machine vibration on the degree of influence were all there exists a critical value, when less than the critical value, the blade serrated degree tends to zero; And when greater than the critical value, the degree of sharply serrated blade.In order to reduce the disk side jump in oil stone grinding disk, you should also detect the disk side jump, and granite blade to eliminate as far as possible by grinding side jump. Then need for grinding plate line balancing to reduce the running imbalance because the vibration mechanism.Also with the side jump and vibration grinding machine precision and damping performance related. Traditional wooden top and top grinding machine shaft due to fiber gasket is required between the pads, and because dry core drill bits of the rigid timber restrictions would result in a high-speed rotating grinding disc generated 0.05 ~ 0.1mm Dynamic beat; addition, wood and fiber materials poor heat resistance, the high sliding wear easily under conditions leaving a gap between the shaft and the top and therefore require frequent adjustment of the gap, replacement liners or wood top. Unstable due to the use of such equipment by many factors, only some of the best in the device status is not a long period of time to grind out the basic qualified natural diamond tools, even a skilled operator, can only reach 30 % ~ 50% of the processing yield.
diamond reamer manufacturing technology
Used in geological core drilling diamond drill diamond crystal as the abrasive used to pre-Cu-Ni-based alloy matrix, IF hot pressing process, according to the law rock characteristics and granite polishing pad bit wear, preferably wear suitable carcass recipe technology and different drill lip surface shape design, with a long life, high drilling speed, wide adaptation characteristics; supporting the design uses diamond reaming Ni-Co alloy electrodeposition and two kinds of non-pressure impregnation process, respectively, for the hard full and broken granite rock strength classes abrasive formations designed to meet the different requirements of efficiency abrasive tools and lifetime.Currently mature manufacturing process for the IF diamond drill heat sintering process, a small amount of DC resistance heating sintering process; diamond reamer manufacturing process is generally electroplating / electroforming process and sintering without pressure impregnation process (for sintering reamer), and must comply with the standard graded series sanding belt of drilling techniques can be used. Also, because of the special nature of the manufacturing process, often need special functions according to process needs to be designed and electro-hydraulic pressing machine control system.
2013年9月24日星期二
diamond superhard material properties and role Diamond
Superhard materials as superior performance, application constantly expanding, from the developed to the metal processing optical glass processing, stone processing, ceramics processing, processing of brittle materials is difficult for traditional processing areas.
Natural single crystal diamond, because of its anisotropy, the difference of the hardness of the crystal is very diamond blades large, in the grinding tool when choosing the soft side of a polishing surface, and the surface of their hard as the rake face or the flank, This brings a favorable ground conditions, its anisotropy, so in use, to be considered a reasonable choice of the crystal plane, for example, hardness of the anvil, in use, the use of pressure is measured in or bouncing measured hardness of the material, but because of the hardness of different face, the results are different, of course, with a hard surface will help prolong life, and if made of natural diamond wire drawing die, because the hole face constituted by the crystal surface, so inconsistent hardness, wear will be uniform, circular cross section while the wire will cause stress differences uneven hardness, and affect the use of diamond sintered body and the thick-film diamond, the isotropic use in such products become very favorable.
PCD, PCBN, because grains are different, different concentrations, the performance is different, must be a diamond cbn wheel reasonable choice. Diamond is a pure diamond thick, close to the hardness of natural diamond, and PCD, PCDN diamond powder is mixed with the binding agent is sintered, so by the binding agent of the hardness, the hardness as the former.
Is well known, diamond with iron affinity, can be used in ferrous and non-metallic materials, while CBN even at a high temperature of 1000 ℃ cutting ferrous metal is fully competent. Has become difficult to machine materials, the main cutting tool materials. Superhard materials generally refers to a synthetic diamond, artificial CBN. These two materials exist, played a complementary role, you can overwrite the current and future concrete ring saw development of a variety of new materials processing, the entire cutting areas is extremely beneficial.
Precision diamond cutting tool sharpening requires great skill, in order to obtain a more accurate cutting edge radius, in particular less than 0.05um less precision, and of the grinding machine made very strict requirements, must have a high turn precision spindle shaft, the old mill were not suited, began to use more as a support air bearings, grinding disc must be able to be on the machine Shuhei to face runout control 0.5um or less. PCD and PCBN the grinding is relatively easy because the hardness is relatively low, with a diamond grinding wheel will fit, while thick diamond is different, its hardness close to the natural diamond, and is isotropic, so grinding more difficult .
Natural single crystal diamond, because of its anisotropy, the difference of the hardness of the crystal is very diamond blades large, in the grinding tool when choosing the soft side of a polishing surface, and the surface of their hard as the rake face or the flank, This brings a favorable ground conditions, its anisotropy, so in use, to be considered a reasonable choice of the crystal plane, for example, hardness of the anvil, in use, the use of pressure is measured in or bouncing measured hardness of the material, but because of the hardness of different face, the results are different, of course, with a hard surface will help prolong life, and if made of natural diamond wire drawing die, because the hole face constituted by the crystal surface, so inconsistent hardness, wear will be uniform, circular cross section while the wire will cause stress differences uneven hardness, and affect the use of diamond sintered body and the thick-film diamond, the isotropic use in such products become very favorable.
PCD, PCBN, because grains are different, different concentrations, the performance is different, must be a diamond cbn wheel reasonable choice. Diamond is a pure diamond thick, close to the hardness of natural diamond, and PCD, PCDN diamond powder is mixed with the binding agent is sintered, so by the binding agent of the hardness, the hardness as the former.
Is well known, diamond with iron affinity, can be used in ferrous and non-metallic materials, while CBN even at a high temperature of 1000 ℃ cutting ferrous metal is fully competent. Has become difficult to machine materials, the main cutting tool materials. Superhard materials generally refers to a synthetic diamond, artificial CBN. These two materials exist, played a complementary role, you can overwrite the current and future concrete ring saw development of a variety of new materials processing, the entire cutting areas is extremely beneficial.
Precision diamond cutting tool sharpening requires great skill, in order to obtain a more accurate cutting edge radius, in particular less than 0.05um less precision, and of the grinding machine made very strict requirements, must have a high turn precision spindle shaft, the old mill were not suited, began to use more as a support air bearings, grinding disc must be able to be on the machine Shuhei to face runout control 0.5um or less. PCD and PCBN the grinding is relatively easy because the hardness is relatively low, with a diamond grinding wheel will fit, while thick diamond is different, its hardness close to the natural diamond, and is isotropic, so grinding more difficult .
2013年9月22日星期日
refurbished marble polishing process according polished stone texture
Stone after long years of use as well as its natural weathering, coupled with artificial improper care can easily lead to its natural color and brightness disappears, it makes your head can wet tile saw not bear to see; redecoration costs are too high, too long. Marble renovation process is in a very short period of time the use of chemical and physical role in the original basis through the machine grinding, polishing, restoring it to its original brightness, natural color, brightness hundred percent, both economic and time-saving, life of more than five years.
Process
Tools: Stone refurbished machine, terrazzo machine, washing machine, marble polishing machine, vacuum suction machine, diamond disc 6 groups, red mat, white mat, special scouring pad
Using Pharmacy: stone abrasives , stone lightening agent, stone protective agent
According to the different levels of cutting wheels damage to marble, with refurbished machines with different diamond discs for grinding, must comply with the texture of stone lines operate until the stone surface is smooth and uniform color; polished with an abrasive pad with penetration and dried up; using credit agent be polished with mat until dry, and finally sprayed protective agent polished until the brightness recovery ever. The renovated stone surface of different materials according to their own maximum brightness of up to 120 degrees.
Marble is the main mineral component is a variety of calcite, dolomite or serpentine. Marble durability and relatively low luminosity than granite. Therefore, the possibility of refurbishment, renovation of difficulty, cost is relatively low. The key is to improve the tile cutting blades renovation of flatness, brightness, hardness and anti-seepage treatment. Machines, abrasives, operation, these three should combine organic, will damage the stone surface using mild, moderate, deep renovation.
Process
Tools: Stone refurbished machine, terrazzo machine, washing machine, marble polishing machine, vacuum suction machine, diamond disc 6 groups, red mat, white mat, special scouring pad
Using Pharmacy: stone abrasives , stone lightening agent, stone protective agent
According to the different levels of cutting wheels damage to marble, with refurbished machines with different diamond discs for grinding, must comply with the texture of stone lines operate until the stone surface is smooth and uniform color; polished with an abrasive pad with penetration and dried up; using credit agent be polished with mat until dry, and finally sprayed protective agent polished until the brightness recovery ever. The renovated stone surface of different materials according to their own maximum brightness of up to 120 degrees.
Marble is the main mineral component is a variety of calcite, dolomite or serpentine. Marble durability and relatively low luminosity than granite. Therefore, the possibility of refurbishment, renovation of difficulty, cost is relatively low. The key is to improve the tile cutting blades renovation of flatness, brightness, hardness and anti-seepage treatment. Machines, abrasives, operation, these three should combine organic, will damage the stone surface using mild, moderate, deep renovation.
2013年9月15日星期日
Velcro wool ball (polishing pad)
Felt Felt polishing wheel Density 0.38-0.65g / cm 3, diameter 10-800 mm, thickness 3-50 mm, quality is divided into; premium, one, two, (material with industrial felt). Scope: eg concrete diamond blades automotive beauty, glass, furniture, wood, stainless steel plate, stainless steel, castings, precision instruments, products, tools, gold and silver jewelry, precious metals and other surface polishing. The object to be polished clean and bright, tiny scratches can be shuffled around, played to mark polished as new results. Can be used with polishing liquid, paste, powder, with the use of better. Felt wheel plane different from the industrial production process blankets, organizations, small pores, unlike fabric that limit by latitude and longitude, good wear resistance, is wood, jewelry, glass, polished stainless steel plate throwing the best material. How to choose the blankets round: items need to be left at the correct density sized blankets round, throwing glass is generally used 0.45g-0.50g/m3, cast stainless steel plate dry polishing pads used 50g-65g/cm3, polishing marble used 0.40g/cm3- 0.50g/cm3, jewelry, jade available 50g/cm3 around. Felt wheel features not every product specifications are available, such as strong sexual Felt wheels density is too large will lose elasticity, density is too small to lose abrasion resistance, the thickness of wool have influence on the properties, according to the practical application to set.The product is widely used in ceramic tiles waxing decontamination, the pipelining tiles waxing machine waxing consumables. Now getting into the average family on the floor, floor tiles cleaning waxing polishing. Applicable to soft floor polishing.
Red: remove minor scratches and dirt meet abrasive tools unexpectedly, was formed smooth and shiny bright surface. Is ideal for daily cleaning and polishing products.
Black: grinding power, wear durability, mainly for the decontamination of ground, is used to start the first stage of grinding. Designed for heavy duty wet from the wax design. Effectively remove the wax surface, stains and glossy coating.
Red: remove minor scratches and dirt meet abrasive tools unexpectedly, was formed smooth and shiny bright surface. Is ideal for daily cleaning and polishing products.
Black: grinding power, wear durability, mainly for the decontamination of ground, is used to start the first stage of grinding. Designed for heavy duty wet from the wax design. Effectively remove the wax surface, stains and glossy coating.
2013年9月13日星期五
diamond brazing techniques applied in
Diamond high hardness and excellent mechanical properties make diamond tools for processing a variety of hard materials become indispensable effective tool. Metal base of the diamond matrix carbide tipped saw blade adhesion (matrix package Xiang ability) that affect the life and performance of diamond tools is one of the main factors.
The diamond and general metals and alloys having a high interfacial energy between, resulting in the diamond particles can not be generally low-melting alloy infiltration, poor adhesion, in the conventional manufacturing techniques, the diamond particles alone after the carcass shrink the mechanical gripping force embedded in the metal matrix of the carcass, but not form a strong chemical bonding or metallurgical combine, resulting diamond particles in the work easily with metal base carcass separation, greatly reducing the diamond tool life and performance levels. Most of the diamond impregnated type tool utilization is low, a lot of expensive diamond in the work lost in the litter fall into. Lin Zengdong other first surface metallization using diamond diamond surface to impart a number of new features, such as excellent thermal conductivity, good thermal stability, improving its original physical and chemical properties of the metal or alloy to improve its wettability of the solution, etc.
Diamond surface metallization problem in the 1970s, it caused a domestic diamond tool manufacturing industry's attention. Many people committed during the sintering process to achieve the diamond surface of metal in the matrix material or on the diamond surface to add the wet saw blades pre-glue strong carbide metal powder (which is not heated before the diamond, not associated with a chemical coating reaction only belong diamond coating) to expect them to realize the sintering process chemical bonding of the diamond. Although the literature has demonstrated some metal such as tungsten (not oxidized) at a lower temperature (800 ℃ or so) WC can be formed on the surface layer of the diamond, but the diamond surface to achieve the pre-metallization process used to view, to be in a vacuum conditions, 600 ℃ heating above one hour to get the desired adhesion. Impregnated with the most commonly used cutting tool diamond sintering conditions of view, non-vacuum or low vacuum of not more than 900 ℃ heated for 5 minutes or so, it is unlikely that the diamond surface of a metallization layer. Because both the active metal atoms (Ti, V, Cr, etc.) to the surface of the diamond or the interfacial reaction enrichment achieved metallurgical bond with the diamond are atomic diffusion process, the stone drill bits temperature under the hot and such a short period of time, this process is very inadequate. In the solid-phase sintering conditions (sometimes a small amount of low-strength low-melting metal or alloy phase), chemical bonding of the diamond matrix or metallurgical bonding force is very weak or does not form.
The diamond and general metals and alloys having a high interfacial energy between, resulting in the diamond particles can not be generally low-melting alloy infiltration, poor adhesion, in the conventional manufacturing techniques, the diamond particles alone after the carcass shrink the mechanical gripping force embedded in the metal matrix of the carcass, but not form a strong chemical bonding or metallurgical combine, resulting diamond particles in the work easily with metal base carcass separation, greatly reducing the diamond tool life and performance levels. Most of the diamond impregnated type tool utilization is low, a lot of expensive diamond in the work lost in the litter fall into. Lin Zengdong other first surface metallization using diamond diamond surface to impart a number of new features, such as excellent thermal conductivity, good thermal stability, improving its original physical and chemical properties of the metal or alloy to improve its wettability of the solution, etc.
Diamond surface metallization problem in the 1970s, it caused a domestic diamond tool manufacturing industry's attention. Many people committed during the sintering process to achieve the diamond surface of metal in the matrix material or on the diamond surface to add the wet saw blades pre-glue strong carbide metal powder (which is not heated before the diamond, not associated with a chemical coating reaction only belong diamond coating) to expect them to realize the sintering process chemical bonding of the diamond. Although the literature has demonstrated some metal such as tungsten (not oxidized) at a lower temperature (800 ℃ or so) WC can be formed on the surface layer of the diamond, but the diamond surface to achieve the pre-metallization process used to view, to be in a vacuum conditions, 600 ℃ heating above one hour to get the desired adhesion. Impregnated with the most commonly used cutting tool diamond sintering conditions of view, non-vacuum or low vacuum of not more than 900 ℃ heated for 5 minutes or so, it is unlikely that the diamond surface of a metallization layer. Because both the active metal atoms (Ti, V, Cr, etc.) to the surface of the diamond or the interfacial reaction enrichment achieved metallurgical bond with the diamond are atomic diffusion process, the stone drill bits temperature under the hot and such a short period of time, this process is very inadequate. In the solid-phase sintering conditions (sometimes a small amount of low-strength low-melting metal or alloy phase), chemical bonding of the diamond matrix or metallurgical bonding force is very weak or does not form.
diamond dressing pen / diamond pen
Diamond pen is a new wheel dressing tool, using powder metallurgy hot pressing process, the matrix alloy wear resistance, high strength, diamond alloy matrix is firmly embedded, not falling, the diamond wire saw diamond particles are arranged according to certain requirements in the alloy matrix, easy to use and do not need tough grind and back ...
2 diamond grinding wheel / diamond wheel cutter
Company specializing in the production of ceramics, resin, metal is bonded diamond or CBN grinding wheel, mainly used for carbide tools, ceramic materials, magnetic materials, PCD, PCBN cutting tools, funnels and grinding of ferrous and nonferrous metals processing . And according to customer ...
3 natural diamond dresser
Natural diamond dresser multi natural diamond particles sintered regularly arranged in the alloy matrix, and fixed to the cutter body. For fine grinding wheel dressing is an economical, practical and carbide tipped saw blade novel wheel dressing tool. It has the shape of round, square, etc., do not use ...
4 Diamond grinding / grinding
Electroplated diamond and CBN electroplated diamond and CBN grinding grinding for carbide, high carbon steel, bearing steel miniature bearings, tools, and other precision parts machining holes of various shapes and a variety of special-shaped cavity molding grinding. And jade carving pondering other working ...
5 Diamond File
Diamond File mainly suitable for carbide, hardened steel trimming, cutting and filing and repair mode, also applies to the noble cutting and filing non-metallic materials, such as: silicon, crystal and dry cut blades other materials ......
6 diamond indenter
Diamond indenter are made of high-quality natural diamond processing, is a key fitting a variety of hardness. The company produces pressure head varieties, specifications, high precision, and long life, beautifully packaged.
2 diamond grinding wheel / diamond wheel cutter
Company specializing in the production of ceramics, resin, metal is bonded diamond or CBN grinding wheel, mainly used for carbide tools, ceramic materials, magnetic materials, PCD, PCBN cutting tools, funnels and grinding of ferrous and nonferrous metals processing . And according to customer ...
3 natural diamond dresser
Natural diamond dresser multi natural diamond particles sintered regularly arranged in the alloy matrix, and fixed to the cutter body. For fine grinding wheel dressing is an economical, practical and carbide tipped saw blade novel wheel dressing tool. It has the shape of round, square, etc., do not use ...
4 Diamond grinding / grinding
Electroplated diamond and CBN electroplated diamond and CBN grinding grinding for carbide, high carbon steel, bearing steel miniature bearings, tools, and other precision parts machining holes of various shapes and a variety of special-shaped cavity molding grinding. And jade carving pondering other working ...
5 Diamond File
Diamond File mainly suitable for carbide, hardened steel trimming, cutting and filing and repair mode, also applies to the noble cutting and filing non-metallic materials, such as: silicon, crystal and dry cut blades other materials ......
6 diamond indenter
Diamond indenter are made of high-quality natural diamond processing, is a key fitting a variety of hardness. The company produces pressure head varieties, specifications, high precision, and long life, beautifully packaged.
2013年9月9日星期一
diamond wheel recess repair method
Diamond grinding wheel after prolonged use , there will be recess , then how do we fix it ? Described briefly below :
1 Reduce the wheel speed , in principle at least half square easy renovation , if no conversion can be repeated cutting discs in order to reduce the speed switch machine refurbishment !
(2) to the grinding wheel truing tool , before moving overlapping width of grinding wheel surface is 1/ 3 to 1 /2.
3 successive feed to 140 # , for example, advanced 0.005 , crisp sound to sound blunt , flat surface jump surface , and then proceed to 0.01 and repeat sound, surface inspection , and then proceeds to 0.015,0.02,0.025,0.03 sequentially until crisp sound, surface flat , no flutter pattern , which means rounding , dressing complete. Maximum amount of feed hole saw blades renovations need be adjusted depending on wheel size , the more coarse granularity of the greater amount of feed renovation !
Note: You can pre- order singular pen painted oil diamond wheel circumference , when the ink traces completely disappeared , that means rounding the job done.
Grinding debris when soiled condition , which can be hand-held strip of sand dressing , cutting the wheel to restore function ! 3 uses centrifugal brake brakes after rounding is necessary then to the white sands of dressing . 4 Diamond and CBN grinding wheel once on the concrete diamond blades machine, unless the wear is completed , it is best not to remove it. If it must be removed , the need to remove the flanges together , otherwise, once re- use, that is the amount required to burn off more renovations !
1 Reduce the wheel speed , in principle at least half square easy renovation , if no conversion can be repeated cutting discs in order to reduce the speed switch machine refurbishment !
(2) to the grinding wheel truing tool , before moving overlapping width of grinding wheel surface is 1/ 3 to 1 /2.
3 successive feed to 140 # , for example, advanced 0.005 , crisp sound to sound blunt , flat surface jump surface , and then proceed to 0.01 and repeat sound, surface inspection , and then proceeds to 0.015,0.02,0.025,0.03 sequentially until crisp sound, surface flat , no flutter pattern , which means rounding , dressing complete. Maximum amount of feed hole saw blades renovations need be adjusted depending on wheel size , the more coarse granularity of the greater amount of feed renovation !
Note: You can pre- order singular pen painted oil diamond wheel circumference , when the ink traces completely disappeared , that means rounding the job done.
Grinding debris when soiled condition , which can be hand-held strip of sand dressing , cutting the wheel to restore function ! 3 uses centrifugal brake brakes after rounding is necessary then to the white sands of dressing . 4 Diamond and CBN grinding wheel once on the concrete diamond blades machine, unless the wear is completed , it is best not to remove it. If it must be removed , the need to remove the flanges together , otherwise, once re- use, that is the amount required to burn off more renovations !
2013年9月8日星期日
circular saw blades used in the process, customers often encounter
chipping or out of gear;
run saws;
cut surface roughness;
bottom teeth cracking.
Serrated size after a scientific calculation, the welding residual stress is reduced to a minimum, no false concrete core bits welding and unsoldering phenomenon.
One, grinding and maintenance alloy saw the importance of:
Circular saw blade after use, often have the following questions:
There serrated chipping;
surface fluff;
cutting power increased sharply;
To ensure the cutting quality and safety, must be made by skilled operatives timely regrinding and cleaning circular saw blades and
Timing Clear serrated surface on the dirt, to ensure perfect cutting.
Second, the proper use of:
In order to play its best performance blade must be strictly in accordance with the standard use;
1, blades of different sizes and diamond cutting tools uses, the design of the head and the base form angles differ by their corresponding possible occasions;
2, the device spindle and plywood size and shape and position accuracy effects have a significant impact on the use, installation and adjustment to be checked before the blade. Especially for plywood blade contact surface with the impact caused by the clamping force to slip displacement factors must be excluded;
3, pay attention to the work of the blade, an exception occurs, such as vibration, my voice, machined surface material moving situation, you must promptly stop adjustment, and timely grinding, maintaining peak interest;
4, grinding blade must not carbide drill bits change its original angle, to avoid sudden thermal quench local head, the best professional grinding
5, temporarily unused blade to vertical hanging, avoid prolonged flat, the matter should not heap pressure on it, head office to be protected, not allowed to collide.
run saws;
cut surface roughness;
bottom teeth cracking.
Serrated size after a scientific calculation, the welding residual stress is reduced to a minimum, no false concrete core bits welding and unsoldering phenomenon.
One, grinding and maintenance alloy saw the importance of:
Circular saw blade after use, often have the following questions:
There serrated chipping;
surface fluff;
cutting power increased sharply;
To ensure the cutting quality and safety, must be made by skilled operatives timely regrinding and cleaning circular saw blades and
Timing Clear serrated surface on the dirt, to ensure perfect cutting.
Second, the proper use of:
In order to play its best performance blade must be strictly in accordance with the standard use;
1, blades of different sizes and diamond cutting tools uses, the design of the head and the base form angles differ by their corresponding possible occasions;
2, the device spindle and plywood size and shape and position accuracy effects have a significant impact on the use, installation and adjustment to be checked before the blade. Especially for plywood blade contact surface with the impact caused by the clamping force to slip displacement factors must be excluded;
3, pay attention to the work of the blade, an exception occurs, such as vibration, my voice, machined surface material moving situation, you must promptly stop adjustment, and timely grinding, maintaining peak interest;
4, grinding blade must not carbide drill bits change its original angle, to avoid sudden thermal quench local head, the best professional grinding
5, temporarily unused blade to vertical hanging, avoid prolonged flat, the matter should not heap pressure on it, head office to be protected, not allowed to collide.
2013年8月30日星期五
natural diamond use
Natural diamond tools currently used mainly for copper and copper alloys and gold, silver, rhodium and carbide grinding wheels other precious metals, and special parts of the ultra-precision mirror processing, such as a disk recorder, an optical mirror, a polygon mirror and the second curved mirror and so on. But its crystalline anisotropy, the tool expensive. PCD performance depends on the content of diamond grains and cobalt, cemented carbide tool life (WC substrate) of the tool 10 to 500 times. Mainly used for a variety of non-ferrous metals such as turning of aluminum, copper, magnesium and wet polishing pad its alloys, tungsten carbide and wear strong fiber reinforced plastic materials, metal matrix composites, wood and other non-metallic materials. When cutting speed, feed rate and depth of cut depends on processing conditions and the hardness of the workpiece material. Synthetic polycrystalline diamond compact (PDC) properties and applications close PCD tool, mainly used in non-ferrous metals, tungsten carbide, ceramics, non-metallic materials (plastic, hard rubber, carbon rod, wood, cement products, etc.), composite materials such as cutting, gradual replacement carbide cutting tools. Because the diamond particles bonded to ask some residual metal and sanding paper graphite, in which the bonding metal or showed coalescence vein-like distribution state will reduce tool wear and life. In addition there is a metal residue solvent, solvent metal in direct contact with the diamond surface. Lower (PDC) oxidation resistance and tool heat resistance, the cutting tool is not stable enough. Thick Diamond Tool preparation process is complex, because of the low melting point metals and their alloys and diamond has a high interfacial energy between. Diamond is difficult to be generally low melting point solder alloy infiltration. Weldability poor, difficult to produce complex geometry tool, it can not be applied TDF welding tool in high-speed milling. Diamond-coated tools can be applied to high-speed machining, because in addition to diamond coated tools have excellent mechanical properties, diamond coating process can be prepared any complex shape cutters for high speed machining aerospace materials such as aluminum alloy and refractory processing of non- metallic material such as graphite electrodes.
2013年8月29日星期四
Classification and characteristics of
Granite formation conditions as ingredients to form complex and diverse, so the variety, there are a variety of classification. Sub-divided according to types of minerals contained in black tile saw blade granite, muscovite granite, hornblende granite, two-mica granite. Constructed according to the structure can be divided into fine-grained granite, medium-grained granite, coarse-grained granite, porphyritic granite, porphyritic granite, geode granite and gneissic granite. Press contain minerals can be divided into cassiterite granite, niobium ore granite, granite containing beryllium, lithium mica granite, tourmaline granite. Common length petrochemical, greisenized, electrical and petrochemical since metamorphism.Granite compact structure, high compressive strength, low water absorption, surface hardness, good diamond core drills chemical stability, durability, fire resistance, but poor. Granite was fine, the grain, coarse granular structure, or porphyritic structure, fine uniform particles, the gap is small (porosity of 0.3% to 0.7%), water absorption is not high (water absorption is generally 0.15 % ~ 0.46%), with good frost resistance. High hardness of granite, its Mohs hardness of about 6, a density of 2.63g/cm3 to 2.75 g/cm3 in between, the compression strength of 100-300MPa, in which fine-grained granite up to 300MPa or more, flexural strength Average at 10 ~ 30Mpa. Often granite batholith, rock plants, rock and green concrete blades other forms of output, and is subject to regional tectonic control, generally larger than the size distribution is relatively broad, so mining convenient, easy out aniseed, and its joint development with the law, help shape the rules mined stone. Shortage of granite into high, can carry a variety of machining, sheet metal can fight good. There weathered granite is not easy, I can do outdoor decorative stone. Granite texture uniform texture, color, although dominated by light colors, but also very rich in red, white, yellow, green, black, purple, brown, beige, blue, etc., and relatively little change in its color, suitable for large the area of use.
2013年8月28日星期三
diamond tools applications
Natural diamond tools currently used mainly for copper and copper alloys and gold, silver, rhodium and other diamond bandsaw blades precious metals, and special parts of the ultra-precision mirror processing, such as a disk recorder, an optical mirror, a polygon mirror and the second curved mirror and so on. But its crystalline anisotropy, the tool expensive. PCD performance depends on the content of diamond grains and cobalt, cemented carbide tool life (WC substrate) of the tool 10 to 500 times. Mainly used for a variety of non-ferrous metals such as turning of aluminum, copper, magnesium and its alloys, tungsten carbide and wear strong fiber reinforced plastic materials, metal matrix composites, wood and other non-metallic materials. When cutting speed, feed rate and depth of cut depends on processing conditions and the drum wheels hardness of the workpiece material. Synthetic polycrystalline diamond compact (PDC) properties and applications close PCD tool, mainly used in non-ferrous metals, tungsten carbide, ceramics, non-metallic materials (plastic, hard rubber, carbon rod, wood, cement products, etc.), composite materials such as cutting, gradual replacement carbide cutting tools. Because the diamond particles bonded to ask some residual metal and graphite, in which the bonding metal or showed coalescence vein-like distribution state will reduce tool wear and life. In addition there is a metal residue solvent, solvent metal in direct contact with the diamond surface. Lower (PDC) oxidation resistance and tool heat resistance, the cutting tool is not stable enough. Thick Diamond Tool preparation process is complex, because of the low melting point metals and concrete cutting blade their alloys and diamond has a high interfacial energy between. Diamond is difficult to be generally low melting point solder alloy infiltration. Weldability poor, difficult to produce complex geometry tool, it can not be applied TDF welding tool in high-speed milling. Diamond-coated tools can be applied to high-speed machining, because in addition to diamond coated tools have excellent mechanical properties, diamond coating process can be prepared any complex shape cutters for high speed machining aerospace materials such as aluminum alloy and refractory processing of non- metallic material such as graphite electrodes.
2013年8月27日星期二
the carbide circular saw blades
The actual selection of circular saw blades sawing to consider is the type of material thickness, cutting speed, cutting direction, feed rate, saw the road width and other masonry saw blades specific issues. These problems ultimately attributed to the saw blade tooth, angle and other parameters of selection, the following parameters for the blade geometry make a brief introduction:
1, saw tooth choices
Tooth circular saw blade is divided into left and right teeth, conical teeth, flat teeth, trapezoidal tooth, crescent-shaped teeth, etc., the actual use based primarily on the type of material to be sawn to choose.
① around teeth for open bar and crosscut saw all kinds of soft and hard wood and particleboard, equipped with anti-rebound protection around the tooth for tooth longitudinal cutting various sections of the plate with trees, with a negative rake angle of the saw teeth around piece due sharp serrated, cutting good quality, usually used plywood sawing.
② conical teeth commonly used in the grinding cup wheel groove panel saw blade, in the double sawing plywood veneer, the groove bottom grooving saw the completion, the main plate sawing sawn finish to prevent the collapse occurred Jukou ballast phenomenon.
Flat teeth mainly used for general cutting of wood, this blade low cost, but rough saw cut.
③ trapezoidal tooth peace teeth used in combination unworthy groove sawing blade also get a higher quality when cutting veneer crack phenomenon does not occur for a variety of dual-veneer plywood sawing.
2, the choice of jagged angles
Angle parameter serrated portion is complex, and the sand paper correct choice of the blade cutting angle parameter is to determine the quality of the key. The main point of argument is the rake angle, clearance angle, wedge angle.
Rake angle sawing wood consumed by the main impact force. Serrated cutting rake angle greater sharpness better, more portable sawing, pushing more effort. Generally relatively soft material to be processed, the selected larger rake angle, otherwise choose a smaller rake angle.
1, saw tooth choices
Tooth circular saw blade is divided into left and right teeth, conical teeth, flat teeth, trapezoidal tooth, crescent-shaped teeth, etc., the actual use based primarily on the type of material to be sawn to choose.
① around teeth for open bar and crosscut saw all kinds of soft and hard wood and particleboard, equipped with anti-rebound protection around the tooth for tooth longitudinal cutting various sections of the plate with trees, with a negative rake angle of the saw teeth around piece due sharp serrated, cutting good quality, usually used plywood sawing.
② conical teeth commonly used in the grinding cup wheel groove panel saw blade, in the double sawing plywood veneer, the groove bottom grooving saw the completion, the main plate sawing sawn finish to prevent the collapse occurred Jukou ballast phenomenon.
Flat teeth mainly used for general cutting of wood, this blade low cost, but rough saw cut.
③ trapezoidal tooth peace teeth used in combination unworthy groove sawing blade also get a higher quality when cutting veneer crack phenomenon does not occur for a variety of dual-veneer plywood sawing.
2, the choice of jagged angles
Angle parameter serrated portion is complex, and the sand paper correct choice of the blade cutting angle parameter is to determine the quality of the key. The main point of argument is the rake angle, clearance angle, wedge angle.
Rake angle sawing wood consumed by the main impact force. Serrated cutting rake angle greater sharpness better, more portable sawing, pushing more effort. Generally relatively soft material to be processed, the selected larger rake angle, otherwise choose a smaller rake angle.
2013年8月19日星期一
fine-toothed saw blades, tipped saw blade
With extremely good wear resistance and impact resistance. For processing all types of non-ferrous metals and sanding paper non-ferrous metals, according to the non-The same processing conditions to select different grades of diamond tungsten steel, high-speed light cutting tool has superior performance, general-purposeGood. After coating with excellent results, can improve tool life and abrasion resistance, commonly used in CNC machine CNC equipment and generalBed and processing all sds plus drill bits types of copper, aluminum, high-temperature alloys, heat-resistant alloys, titanium alloys, gray cast iron, hard quenched steel, tool steel, stainlessSteel and non-ferrous materials such as acrylic materials, PCB, fiber, carbon fiber, plastics, etc., is quenched before and after the heat treatment ofExtremely fine machining tool.High hardness and wear resistant senior high cobalt powder steel: with extremely good wear resistance and impact resistance, good technology, generalUsed to make high-speed light cutting, cutting all carbide drill bits kinds of difficult to machine materials. After coating better, excellent tool life, wear very High.
2013年8月7日星期三
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