hellow edstainless,thanks for your response.the rolls are made from M42 my cutting oil is ECO COOL MB,soluable cutting oil.maybe i should reduce my spindle speed and use neat cutting oil.what do you think.regards emimec...
hellow everyone,emimec here.my problem is i am thread rolling 304 s/s parts for a customer,10-32 unc by 2.9 inches long .on a manual capstan lathe ,spindle speed 750 revs.my thread rolls dont last very long 800 parts per set.this makes the job very expensive.what can i do to increase parts per set.