Tungsten Carbide Endmill Regrinding Information

Some tungsten carbide end mills that have been used can be reground to use over again. This saves money and can often be done in the shop while a cycle is being run or by another machinist when he has some down time.

Benefits
Regrinding end mills allows them to be reused which can save a machine shop hundreds of dollars a year. Some end mills are used for profiling only and the dull area can be removed and the bottom reground for further use.

Procedure
Cut the used area off using a cut-off saw. Place the end mill in an end mill sharpening holder, which set the end mill at the right angle for regrinding. Grind the bottom of the end mill to achieve a new, sharp edge for bottom cutting using a surface grinder.

Considerations
If you do not have the capabilities to regrind the end mills in your shop, you can have it done professionally. If the price is less than a new end mill, that route would be preferred to buying new end mills.


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