Feeds and Speeds

Acrylic

Tool	RPM	Plunge Rate	Feed Rate	Z Step
1/8" End Mill	4465	15	17	0.625
1/4" End Mill	4250	19	21	0.125
3/8" End Mill	4040	19	21	0.1875
1/2" End Mill	3825	19	21	0.25

HDPE

Tool	RPM	Plunge	Feed	Z Step
1/8″ End Mill	5000	18	20	.0625
1/4″ End Mill	4500	22	25	.125
3/8″ End Mill	4000	22	25	.1875
1/2″ End Mill	3500	22	25	.25

Polycarbonate

Tool	RPM	Plunge	Feed	Z Step
1/8" End Mill	5250	18	20	0.625
1/4" End Mill	5000	22	25	0.125
3/8" End Mill	4750	22	25	0.1875
1/2" End Mill	4500	22	25	0.25