I will be turning low carbon steel and 304 stainless. In the past I started
with water based cutting fluid and the stainless would stick to the tool. I
changed to oil and solved the problem. I am setting up again and don't want
to use oil. WAY too much vapor coming from the machine.
Anyone have success turning stainless with water based cutting fluid?
Here's part of a post I made a couple of years ago.
========================================================= I thought this was interesting enough to share. I'm using a
Mitsubishi 3/4" dia. 3 insert end mill, cutting some 2" X 2" X 2" 17-4
PH stainless parts, roughing about 2/3 of the material away. The
inserts were lasting about 3 parts with copious amounts of flood
coolant directed on the cutter and the part.
Today I changed the program to cut the parts dry, with no
coolant at all, with no change in speeds/feeds for that cutter. Now
the inserts are lasting about 8 parts.
======================================================== Now admittedly, this is milling (with the intermittent thermal shock
of an end mill). But you might call your tooling supplier and ask him
about turning dry. Perhaps with ceramic inserts.
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