Use of Flood Vs. Mist Coolant With Carbide End Mills
When to use misters or flood coolant depends on
the application. When conditions permit, misters are preferred for
solid carbide end mills, particularly in high speed machining and
finishing operations. As the cutting edges of an end mill go in
and out of the cut, the heating and cooling of the edges can cause
thermal shock. Misters using cutting oils or coolants are very effective
at reducing this effect.
Misters also eliminate the cost associated with the disposal and maintenance of cutting fluids, and the contamination of chips.
In heavy roughing operations with high radial depths of cut, the need for chip flushing, work piece temperature control, or when other tooling is involved, flood coolant should be used.
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