2013年8月23日星期五

alloy saw blade maintenance


1 blade if not used immediately, it should be flat or use the hole to hang up, the blade can not be  concrete vibrator stacked horizontally with other items or foot, and pay attention to moisture and corrosion.
(2) When the blade is no longer sharp cutting surface roughness must be promptly re-grinding. Grinding can not change the original angle, and destruction balancing.
3 blade diameter correction, positioning hole machining, etc., must be carried out by the factory. If the  tile cutter processing is bad, will affect the product effect, and may be dangerous, reaming in principle can not exceed the original diameter 20mm, so as not to affect the balance of stress.
4 of alloy wheel selection.
1) resin bond diamond grinding wheel bond strength is weak, it can be self-sharpening, grinding, and not blocked, high grinding efficiency, small grinding force, low grinding temperature, the metal grinding wheel  disadvantage is poor wear resistance, abrasive wear and tear , it is not suitable for heavy duty grinding.
2) vitrified diamond grinding wheel wear resistance and superior binding capacity of the resin binder, sharp cutting, grinding, high efficiency, easy to heat and clogging, thermal expansion less easy to control precision surface grinding coarse shortcomings

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