Metals polishing (grinding)
Polishing (grinding) entails the following operations:
Polishing (grinding) is done on grinding machines which remove the layers of metal from a blank surface with the very high precision. Those blanks are normally polished after being preliminary machined on other machine-tools with the allowances for polishing considered. The allowance dimensions depend on the required accuracy class of an item, its dimensions, etc.
The current situation shows that lathes and milling machines tend to be replaced by more effective grinding machines, both for preliminary grinding and final polishing. It has become possible due to the improvement of preliminary operations such as rolling, stamping and precision casting.
Technolit Int. uses the following metal polishing (grinding) equipment:
Plain grinders (with rectangular table and horizontal spindle) for polishing (grinding) of flat surfaces of different parts with the help of a grinding disk (its periphery).
Internal grinding machines for internal polishing (grinding) of metal blanks.
Circular grinding machines for the external polishing (grinding) of conic and cylindrical outer surfaces of a metal blank.
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