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- KCRA - RN • Cylindrical End Mills • Inch
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KCRA - RN • Cylindrical End Mills • Inch
Cylindrical End Mills
Features and benefits
- First choice for face and shoulder milling high-temperature alloys.
- Higher material removal rate due to fine pitch cutters.
- Secure clamping system, improving process stability and reliability.
- Effective air coolant feature. Better chip flow and increased insert tool life.
Uses and application
- Milling - Pressurized Air Coolant
- Face Milling
- Side Milling/Shoulder Milling: Ball Nose
- Shank - Cylindrical Plain
Material Group | Light | General | Heavy | |||
– | (Light geometry) | – | (Strong geometry) | |||
– | wear | toughness | ||||
– | Geometry | Grade | Geometry | Grade | Geometry | Grade |
P1–P2 | – | – | – | – | – | – |
P3–P4 | – | – | – | – | – | – |
P5–P6 | – | – | – | – | – | – |
M1–M2 | – | – | – | – | – | – |
M3 | – | – | – | – | – | – |
K1–K2 | – | – | – | – | – | – |
K3 | – | – | – | – | – | – |
N1–N2 | – | – | – | – | – | – |
N3 | – | – | – | – | – | – |
S1–S2 | .EGN | KYS30 | .EGN | KYS30 | .TGN | KYS30 |
S3 | .EGN | KYSP30 | .EGN | KYSP30 | .TGN | KYSP30 |
S4 | – | – | – | – | – | – |
H1 | – | – | – | – | – | – |
Insert Geometry | Recommended Starting Feed per Tooth (Fz) in Relation to % of Radial Engagement (ae) | Insert Geometry | ||||||||||||||
10% | 20% | 30% | 40% | 50–100% | ||||||||||||
.EGN | .003 | .004 | .005 | .003 | .003 | .003 | .002 | .002 | .003 | .002 | .002 | .003 | .002 | .002 | .003 | .EGN |
.TGN | .005 | .007 | .008 | .004 | .005 | .006 | .003 | .004 | .005 | .003 | .004 | .005 | .003 | .004 | .005 | .TGN |
Light | General | Heavy |
Insert Geometry | Recommended Starting Feed per Tooth (Fz) in Relation to % of Radial Engagement (ae) | Insert Geometry | ||||||||||||||
10% | 20% | 30% | 40% | 50–100% | ||||||||||||
.EGN | .004 | .004 | .005 | .003 | .003 | .004 | .003 | .003 | .003 | .002 | .003 | .003 | .002 | .003 | .003 | .EGN |
.TGN | .006 | .008 | .009 | .004 | .006 | .007 | .004 | .005 | .006 | .004 | .005 | .005 | .003 | .005 | .005 | .TGN |
Insert Geometry | Recommended Starting Feed per Tooth (Fz) in Relation to % of Radial Engagement (ae) | Insert Geometry | ||||||||||||||
10% | 20% | 30% | 40% | 50–100% | ||||||||||||
.EGN | .007 | .008 | .009 | .005 | .006 | .007 | .005 | .005 | .006 | .004 | .005 | .006 | .004 | .005 | .006 | .EGN |
.TGN | .010 | .014 | .016 | .008 | .010 | .012 | .007 | .009 | .010 | .006 | .008 | .010 | .006 | .008 | .010 | .TGN |
Insert Geometry | Recommended Starting Feed per Tooth (Fz) in Relation to % of Radial Engagement (ae) | Insert Geometry | ||||||||||||||
10% | 20% | 30% | 40% | 50–100% | ||||||||||||
.EGN | .005 | .006 | .007 | .004 | .004 | .005 | .003 | .004 | .004 | .003 | .003 | .004 | .003 | .003 | .004 | .EGN |
.TGN | .008 | .010 | .012 | .006 | .008 | .009 | .005 | .007 | .008 | .005 | .006 | .007 | .005 | .006 | .007 | .TGN |
Insert Assembly Guide
Safety Notes | |||||
Read all instructions carefully | Wear eye protection | Inspect and tighten fasteners regularly | Warning: Cutting hazard | Warning: Hot surfaces | Do not exceed maximum RPM |
Assembly Instructions | |
Assemble STCM-25 screw to KW1008 wedge, 1 to 1 1/2 turns. | Wedge/screw assembly. |
Install wedge/screw assembly into cutter body, but maintain assembly gap for installing insert. | Slide insert, RNGN12... into pocket and torque wedge/insert assembly to 3,5 Nm (31 in/lbs). Repeat for each pocket. |
Recommended Starting Speeds [SFM]
Material Group | KYS30 | KYSP30 | |||||
P | 1 | – | – | – | – | – | – |
2 | – | – | – | – | – | – | |
3 | – | – | – | – | – | – | |
4 | – | – | – | – | – | – | |
5 | – | – | – | – | – | – | |
6 | – | – | – | – | – | – | |
M | 1 | – | – | – | – | – | – |
2 | – | – | – | – | – | – | |
3 | – | – | – | – | – | – | |
K | 1 | – | – | – | – | – | – |
2 | – | – | – | – | – | – | |
3 | – | – | – | – | – | – | |
N | 1 | – | – | – | – | – | – |
2 | – | – | – | – | – | – | |
S | 1 | 2640 | 2160 | 1680 | 2640 | 2160 | 1680 |
2 | 2640 | 2160 | 1680 | 2640 | 2160 | 1680 | |
3 | 3840 | 3120 | 2400 | 3840 | 3120 | 2400 | |
4 | – | – | – | – | – | – | |
H | 1 | – | – | – | – | – | – |
2 | – | – | – | – | – | – | |
3 | – | – | – | – | – | – |