Engraving Logo

For a demo the Tormach mill was used engrave 1.7″ diameter x 1/8″ coins with the University of Iowa seal.

Tool:  engraving cutter  (1/8 x 1-1/2 half round 90 deg)
Depth of cut: .005″
Spindle Speed: 8500 RPM
Feedrate: 18 ipm
Cycle Time: 4 mins 21 secs

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