Carbide End Mill Recommended Cutting Conditions Roughing
Cutting with an AS-Coated Powdered High-Speed Steel Roughing End Mill
● The standard is that Ad=1.0D is used for groove cutting, and Ad=1.5D, Rd=0.5D for side surface cutting.
● Use ASPM-RFPR / ASPM-HRFPR at feed rates and rotational speeds of x80% of the criteria listed below.
● Use ASPM-RFPL / ASPM-RFPLS / ASPM-HRFPL / ASPM-HRFPLS at feed rates and rotational speeds of x60% of the criteria listed below.
● Use a machine and chuck that have rigidity and high accuracy.
● Select cutting oil suitable for the work material.
● If the rotational speed does not increase with your machine, lower the feed rate and rotational speed at the same ratio.
Model Number
ASPM-RFPS / ASPM-HRFPS
Cutting with a TiCN-Coated Powdered High-Speed Steel Roughing End Mill
● The standard is that Ad=1.0D is used for groove cutting, and Ad=1.5D, Rd=0.5D for side surface cutting.
● Use VPM-RFPR at feed rates and rotational speeds of x80% of the criteria listed below.
● Use VVPM-RFPL, VPM-RFPLS at feed rates and rotational speeds of x60% of the criteria listed below.
● Use a machine and chuck that have rigidity and high accuracy.
● Select cutting oil suitable for the work material.
● If the rotational speed does not increase with your machine, lower the feed rate and rotational speed at the same ratio.
Model Number
VPM-RFPS
Use x80% of the following conditions for sizes D > d. 
Cutting with a Powdered High-Speed Steel Roughing End Mill
● The standard is that Ad=1.0D is used for groove cutting, and Ad=1.5D, Rd=0.5D for side surface cutting.
● Use PM-RFPR at feed rates and rotational speeds of x80% of the criteria listed below.
● Use PM-RFPL, PM-RFPLS at feed rates and rotational speeds of x60% of the criteria listed below.
● Use a machine and chuck that have rigidity and high accuracy.
● Select cutting oil suitable for the work material.
● If the rotational speed does not increase with your machine, lower the feed rate and rotational speed at the same ratio.
Model Number
PM-RFPS
Cutting with an AS-Coated, High-Speed Steel Roughing End Mill
● The standard is that Ad=1.0D is used for groove cutting, and Ad=1.5D, Rd=0.5D for side surface cutting.
● Use AS-RFEMR at feed rates and rotational speeds of x80% of the criteria listed below.
● Use AS-RFEML at feed rates and rotational speeds of x60% of the criteria listed below.
● Use AS-RFPLS at feed rates and rotational speeds of x50% of the criteria listed below.
● Use a machine and chuck that have rigidity and high accuracy.
● Select cutting oil suitable for the work material.
● If the rotational speed does not increase with your machine, lower the feed rate and rotational speed at the same ratio.
Model Number
AS-RFEMS
| Flute Diameter D |
Carbon Steel used for Machine Structure (S45C ~ S55C) |
Alloy Tool Steel (SKD, SUS, SCM) |
Heat-Treated Steel (35 ~ 40HRC) (HPM, NAK) |
Aluminum Alloy | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Feed Rate (mm/min) |
Rotational Speed (min-1) |
Feed Rate (mm/min) |
Rotational Speed (min-1) |
Feed Rate (mm/min) |
Rotational Speed (min-1) |
Feed Rate (mm/min) |
Rotational Speed (min-1) |
|||||
| Groove | Side Surface | Groove | Side Surface | Groove | Side Surface | Groove | Side Surface | |||||
| 5 | 170 | 290 | 3,200 | 120 | 200 | 2,200 | 70 | 120 | 1,300 | 520 | 860 | 9,600 |
| 6 | 170 | 280 | 2,700 | 120 | 200 | 1,900 | 70 | 120 | 1,100 | 500 | 840 | 8,000 |
| 8 | 220 | 360 | 2,000 | 150 | 250 | 1,400 | 80 | 140 | 800 | 650 | 1,080 | 6,000 |
| 10 | 210 | 350 | 1,600 | 140 | 240 | 1,100 | 80 | 140 | 640 | 640 | 1,060 | 4,800 |
| 12 | 200 | 340 | 1,300 | 140 | 240 | 930 | 80 | 140 | 530 | 620 | 1,040 | 4,000 |
| 14 | 200 | 330 | 1,100 | 140 | 240 | 800 | 80 | 140 | 460 | 610 | 1,020 | 3,400 |
| 16 | 200 | 340 | 1,000 | 140 | 240 | 700 | 80 | 140 | 400 | 610 | 1,020 | 3,000 |
| 18 | 190 | 320 | 890 | 130 | 220 | 620 | 80 | 130 | 360 | 580 | 970 | 2,700 |
| 20 | 180 | 300 | 800 | 130 | 210 | 560 | 70 | 120 | 320 | 550 | 910 | 2,400 |
| 22 | 170 | 290 | 730 | 120 | 200 | 510 | 70 | 120 | 290 | 530 | 880 | 2,200 |
| 25 | 160 | 260 | 640 | 110 | 180 | 450 | 60 | 100 | 260 | 460 | 760 | 1,900 |
| 28 | 170 | 290 | 570 | 120 | 200 | 400 | 70 | 120 | 230 | 510 | 850 | 1,700 |
| 30 | 160 | 270 | 530 | 110 | 190 | 370 | 70 | 110 | 210 | 480 | 800 | 1,600 |
| 35 | 170 | 280 | 460 | 110 | 190 | 320 | 70 | 110 | 180 | 500 | 840 | 1,400 |
| 40 | 140 | 240 | 400 | 100 | 170 | 280 | 60 | 100 | 160 | 430 | 720 | 1,200 |
| 50 | 110 | 190 | 320 | 80 | 130 | 220 | 50 | 80 | 130 | 360 | 600 | 1,000 |
Cutting with a TiAℓN-Coated High-Speed Steel Roughing End Mill
● The standard is that Ad=1.0D is used for groove cutting, and Ad=1.5D, Rd=0.5D for side surface cutting.
● Use a machine and chuck that have rigidity and high accuracy.
● Select cutting oil suitable for the work material.
● If the rotational speed does not increase with your machine, lower the feed rate and rotational speed at the same ratio.
Model Number
XA-RFEMS
Use x80% of the following conditions for sizes D > d. 
Cutting with a Powdered High-Speed Steel Roughing End Mill
● The standard is that Ad=1.0D is used for groove cutting, and Ad=1.5D, Rd=0.5D for side surface cutting.
● Please use 80% of the following conditions for both the feed rate / rotational speed with RFEMR.
● Please use 60% of the following conditions for both the feed rate / rotational speed with RFEML.
● Please use 50% of the following conditions for both the feed rate / rotational speed with RFPLS.
● Use a machine and chuck that have rigidity and high accuracy.
● Select cutting oil suitable for the work material.
● If the rotational speed does not increase with your machine, lower the feed rate and rotational speed at the same ratio.
Model Number
RFEMS
| Flute Diameter D |
Carbon Steel used for Machine Structure (S45C ~ S55C) |
Alloy Tool Steel (SKD, SUS, SCM) |
Heat-Treated Steel (35 ~ 40HRC) (HPM, NAK) |
Aluminum Alloy | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Feed Rate (mm/min) |
Rotational Speed (min-1) |
Feed Rate (mm/min) |
Rotational Speed (min-1) |
Feed Rate (mm/min) |
Rotational Speed (min-1) |
Feed Rate (mm/min) |
Rotational Speed (min-1) |
|||||
| Groove | Side Surface | Groove | Side Surface | Groove | Side Surface | Groove | Side Surface | |||||
| 5 | 30 | 50 | 1,780 | 15 | 30 | 890 | 10 | 20 | 570 | 120 | 180 | 5,090 |
| 6 | 30 | 70 | 1,490 | 15 | 35 | 740 | 10 | 20 | 480 | 150 | 230 | 4,240 |
| 8 | 60 | 90 | 1,110 | 30 | 45 | 560 | 15 | 30 | 360 | 240 | 380 | 3,180 |
| 10 | 70 | 110 | 890 | 30 | 55 | 450 | 20 | 35 | 290 | 260 | 460 | 2,550 |
| 12 | 70 | 130 | 740 | 35 | 60 | 370 | 20 | 35 | 240 | 350 | 550 | 2,120 |
| 14 | 80 | 130 | 640 | 35 | 60 | 320 | 20 | 35 | 200 | 350 | 550 | 1,820 |
| 16 | 80 | 130 | 560 | 35 | 60 | 280 | 20 | 35 | 180 | 350 | 550 | 1,590 |
| 18 | 80 | 130 | 500 | 35 | 60 | 250 | 20 | 35 | 160 | 350 | 550 | 1,410 |
| 20 | 80 | 130 | 450 | 35 | 60 | 220 | 25 | 35 | 140 | 350 | 590 | 1,270 |
| 22 | 80 | 130 | 410 | 35 | 60 | 200 | 25 | 35 | 130 | 350 | 630 | 1,160 |
| 25 | 80 | 130 | 360 | 35 | 60 | 180 | 25 | 35 | 110 | 350 | 630 | 1,020 |
| 28 | 80 | 130 | 320 | 35 | 60 | 160 | 25 | 35 | 100 | 350 | 630 | 910 |
| 30 | 80 | 130 | 300 | 35 | 60 | 150 | 20 | 35 | 95 | 350 | 630 | 850 |
| 35 | 70 | 110 | 260 | 30 | 52 | 130 | 16 | 30 | 80 | 330 | 530 | 720 |
| 40 | 60 | 90 | 230 | 25 | 45 | 110 | 14 | 25 | 70 | 300 | 450 | 630 |
| 45 | 50 | 80 | 200 | 22 | 40 | 100 | 12 | 20 | 60 | 250 | 400 | 560 |
| 50 | 30 | 50 | 100 | 18 | 35 | 90 | 10 | 20 | 55 | 230 | 370 | 500 |
