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Machining Guidelines

Note: Speeds and Feeds are only general starting points and may vary depending on specific applications.

MILLING

Working Material	Application	Cutting Speed fpm	Cutting Speed m/min	Chip Load ipt	Chip Load mm/t
ALUMINUM
Aluminum (5–8% Si) (356, 308, 242, 208)	Rough Milling	2000–5000	610–1525	0.010–0.020	0.254–0.508
Aluminum (5–8% Si) (356, 308, 242, 208)	Finish Milling	2000–6000	610–1830	0.005–0.010	0.127–0.254
Aluminum Cast (8–12% Si) (354, 357, 380)	Rough Milling	1500–4000	460–1220	0.007–0.015	0.178–0.381
Aluminum Cast (8–12% Si) (354, 357, 380)	Finish Milling	1500–5000	460–1525	0.004–0.008	0.102–0.204
Aluminum Cast (12–18% Si) (390)	Rough Milling	1000–2000	305–610	0.005–0.010	0.127–0.254
Aluminum Cast (12–18% Si) (390)	Finish Milling	1000–3000	305–915	0.002–0.006	0.050–0.150
OTHER MATERIALS
Babbitt	Milling	700–1100	210–335	0.003–0.010	0.076–0.254
Brass	Milling	2000–4000	610–1220	0.001–0.008	0.025–0.200
Bronze	Milling	900–1350	275–410	0.003–0.008	0.076–0.200
Carbon	Milling	500–2000	150–610	0.0003–0.012	0.008–0.305
Carbon Fiber Materials	Milling	500–2000	150–610	0.003–0.015	0.076–0.381
Copper	Milling	750–1500	230–460	0.001–0.008	0.025–0.200
Glass Fiber Material	Milling	750–1500	230–460	0.001–0.010	0.025–0.254
Green Ceramic Materials	Milling	500–1500	150–460	0.002–0.010	0.050–0.254
Unfilled Plastic	Milling	1000–4000	305–1220	0.003–0.020	0.076–0.508
Wood	Milling	3300–9800	1000–3000	0.004–0.030	0.102–0.762

TURNING

Working Material	Application	Cutting Speed fpm	Cutting Speed m/min	Chip Load ipt	Chip Load mm/t
ALUMINUM
Aluminum (5–8% Si) (356, 308, 242, 208)	Rough Turning	2000–5000	610–1525	0.010–0.025	0.254–0.635
Aluminum (5–8% Si) (356, 308, 242, 208)	Finish Turning	2000–6000	610–1830	0.005–0.010	0.127–0.254
Aluminum Cast (8–12% Si) (354, 357, 380)	Rough Turning	1500–4000	460–1220	0.007–0.020	0.178–0.508
Aluminum Cast (8–12% Si) (354, 357, 380)	Finish Turning	1500–5000	460–1525	0.004–0.008	0.102–0.204
Aluminum Cast (12–18% Si) (390)	Rough Turning	1000–2000	305–610	0.005–0.010	0.127–0.254
Aluminum Cast (12–18% Si) (390)	Finish Turning	1000–3000	305–915	0.002–0.006	0.050–0.150
OTHER MATERIALS
Babbitt	Turning	700–1100	210–335	0.003–0.010	0.076–0.254
Brass	Turning	2000–4000	610–1220	0.003–0.015	0.076–0.381
Bronze	Turning	900–1350	275–410	0.003–0.010	0.076–0.254
Carbon	Turning	500–2000	150–610	0.005–0.015	0.127–0.381
Carbon Fiber Materials	Turning	500–2000	150–610	0.003–0.020	0.076–0.508
Copper	Turning	750–1500	230–460	0.003–0.010	0.076–0.254
Glass Fiber Material	Turning	750–1500	230–460	0.001–0.015	0.025–0.381
Green Ceramic Materials	Turning	500–1500	150–460	0.002–0.020	0.050–0.508
Unfilled Plastic	Turning	1000–4000	305–1220	0.003–0.020	0.076–0.508
Wood	Turning	3300–9800	1000–3000	0.004–0.030	0.102–0.762

DRILLING

Working Material	Application	Cutting Speed fpm	Cutting Speed m/min	Chip Load ipt	Chip Load mm/t
ALUMINUM
Aluminum (5–8% Si) (356, 308, 242, 208)	Drilling	2000–6000	610–1830	0.001–0.010	0.025–0.254
Aluminum Cast (8–12% Si) (354, 357, 380)	Drilling	1500–5000	460–1525	0.001–0.010	0.025–0.254
Aluminum Cast (12–18% Si) (390)	Drilling	1000–3000	305–915	0.001–0.010	0.025–0.254
OTHER MATERIALS
Babbitt	Drilling	700–1100	210–335	0.001–0.010	0.025–0.254
Brass	Drilling	2000–4000	610–1220	0.001–0.010	0.025–0.254
Bronze	Drilling	900–1350	275–410	0.001–0.010	0.025–0.254
Carbon	Drilling	500–2000	150–610	0.001–0.010	0.025–0.254
Carbon Fiber Materials	Drilling	500–2000	150–610	0.001–0.010	0.025–0.254
Copper	Drilling	750–1500	230–460	0.001–0.010	0.025–0.254
Glass Fiber Material	Drilling	750–1500	230–460	0.001–0.010	0.025–0.254
Green Ceramic Materials	Drilling	500–1500	150–460	0.001–0.010	0.025–0.254
Unfilled Plastic	Drilling	1000–4000	305–1220	0.001–0.010	0.025–0.254
Wood	Drilling	3300–9800	1000–3000	0.003–0.025	0.076–0.635