A Brand AE-BM-H Advanced Performance Carbide End Mills with DUROREY Coating
Roughing - Contouring List 8430, 8530: 4 Flute, Regular Length, Ball End
Hardness
Up to 45 HRC
45-55 HRC
55-62 HRC
62-66 HRC
66-70 HRC
Tool Steels Hardened Steels Alloy Steels
Work Material Cutting Speed
Hardened Steels
425 - 500 SFM
375 - 450 SFM
325 - 400 SFM
300 - 360 SFM
200 - 260 SFM
Dia a r D<6 0.15D 0.2D 6≤D 0.1D 0.2D a a
Dia a r D<6 0.12D 0.15D 6≤D 0.07D 0.15D a a
a a=0.05D a r=0.15D
Depth of Cut
Mill Dia.
Speed RPM 20,850 13,900 13,150 10,450
Feed in/min
Speed RPM 18,450 12,300 11,600
Feed in/min
Speed RPM 16,000 10,650 10,100
Feed in/min
Speed RPM 14,550
Feed in/min
Speed RPM
Feed in/min
Inch
mm
– –
2 3 – 4 – 5 6 – – 8 –
131 110 108
73 68 67 65 73 75 77 73 72 72 72 69 69 65
63 58 58 57 63 65 68 64 63 63 62 61 62 58
57 53 53 52 57 59 61 58 57 57 57 55 55 52
9,700 6,450 6,100 4,850 4,050 3,900 3,250 3,050 2,450 2,450 2,350 2,250 2,100 2,000
31 31 31 31 35 37 36 34 34 35 35 34 33 31
9,700 9,150 7,300 6,100 5,800 4,850 4,600 3,650 3,650 3,350 3,200 2,900 2,750
1/8
–
99
9,200 7,750 7,350 6,150 5,800 4,650 4,600 4,200 4,000 3,650 3,450
8,000 6,700 6,400 5,350 5,050 4,050 4,000 3,650 3,500 3,250 3,050
3/16
8,750 8,350 6,950 6,550 5,250 5,200 4,700 4,450 4,050 3,800
103 105 110 103
– –
1/4
5/16
98 98 95 91 89 84
–
3/8
– –
10 12
1/2
–
1. Use a rigid and precise machine and holder. 2. We suggest using air blow or MQL (mist). 3. The above parameters are applicable to an overhang of 4xD maximum. When the overhang is longer, please reduce feed, speed, and cutting depth. 4. The above parameters are standard starting values for contouring and side milling operations. If vibration or chatter occurs due to machine or part setup, please adjust the speed, feed, and depth of cut accordingly. 5. If contouring includes corners of radius less than 1.5 times the tool diameter, reduce speed and feed to 50-80% of above and reduce Ar to 20-60% of above. 6. When the part incline angle (β) is more than 15°, reduce the speed to 40-60% of above parameters, the feed to 30-50% of above parameters, and Aa to 30-60% of above parameters. 7. If the cutting depth is small it is possible to increase the speed and feed above the recommended parameters. β
osgtool.com
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End Mill Technical
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