Four Ball End Mill

Processing methods: slot milling processing

Cutting material	Carbon steel, alloy steel, tool steel, cast iron		Alloy steel, tool steel, stainless steel, hardened steel
Hardness	180~300HB		30~40HRC
Spherical radiusR mm	rotation speed rpm/min	feed speed mm/min	rotation speedrpm/min	feed speed mm/min
3.0	4800~8000	600~1200	3800~7000	400~900
4.0	3500~6500	700~1300	2600~5000	450~1000
5.0	2800~5000	600~1200	2200~4200	350~900
6.0	2400~4200	600~1300	1800~3300	400~900
8.0	1800~3200	550~1200	1300~2600	400~800
10.0	1300~2800	500~1000	1200~2200	400~800
12.5	1100~2200	400~800	850~1600	300~700
Processing methods: slot milling processing		ap=~0.01R Roughing：ap=~0.3R pf=~0.3R pf=~0.2R

Cutting material	Hardened steel		Hardened steel
Hardness	40~55HRC		55~60HRC
Spherical radius R mm	rotation speed rpm/min	feed speed mm/min	rotation speedrpm/min	feed speed mm/min
3.0	2800~3500	250~400	2000~2500	150~250
4.0	2000~2500	250~400	1500~2000	180~250
5.0	1700~2200	280~400	1200~1600	180~250
6.0	1400~1800	280~400	900~1300	180~220
8.0	/td>	240~350	700~1100	150~250
10.0	800~1100	220~300	550~900	130~220
12.5	700~900	120~260	450~700	120~200
Processing methods: slot milling processing	ap=~0.05R pf=~0.15R		ap=~0.15R pf=~0.05R

Chinatungsten Online can provide various sizes and grades of cemented carbide cutting tools, non-standard products are also customized according to customer requirements. Welcome to consult and purchase sales@chinatungsten.com, sales@xiamentungsten.com .

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Four Ball End Mill