Currently we are doing a job (304 plate with 6 tapped holes) and the job is running fine as it is, but for the future I would like to know if we can increase our cycle times by just using our flood coolant instead of dropping Moly Dee in the holes. The plate is only .23 thick and it have 2 4-40 threads and 4 8-32 threads. We are using OSG thread forming taps at 2000 RPM with 50 feed for the 4-40 tap and 1500 RPM with 46.875 feed for the 8-32 tap. Would we be able to get away with just flood coolant? Even if it means slowing things down a little..? Machine is a Haas VF0 with rigid tapping btw. Thanks in advance :)
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