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Inserts for KDMT • KDMT-GC
Indexable Inserts • KDMS... • KDMT...
Metric
Inch
| SAP Material Number | 1918939 |
| ISO Catalog Number | KDMT2550ERGC |
| ANSI Catalog Number | KDMT2550ERGC |
| Grade | KC515M |
| [LI] Insert Length | 23.5000 mm |
| [LI] Insert Length | .9252 in |
| [S] Insert Thickness | 4.0000 mm |
| [S] Insert Thickness | .1575 in |
| [W] Cutting Width | 25.0000 mm |
| [W] Cutting Width | .9843 in |
| [RR] Corner Radius | 5.0000 mm |
| [RR] Corner Radius | .1969 in |
Workpiece Materials
P
Steel
M
Stainless Steel
K
Cast Iron
S
High-Temp Alloys
H
Hardened Materials
Features and benefits
- High-tolerance helical geometry.
Machine Side
loading...
Workpiece Side
loading...
Grades
-
KC515M
Premium-coated grade K10 substrate with built-in wear resistance and (TiAlN) coating for extended life during finishing applications. Used in finish ball nose and back draft inserts for the die and mold industry. Capable of running at moderate to high cutting speeds.
P SteelS High-Temp AlloysH Hardened MaterialsK Cast IronM Stainless Steel
| Material Group | Light Machining | General Purpose | Heavy Machining | |||
| – | (Light geometry) | – | (Strong geometry) | |||
| – | wear resistance |  <="" td=""> | toughness | |||
| – | Geometry | Grade | Geometry | Grade | Geometry | Grade |
| P1–P2 | .E..GC | KC515M | .E..GC | KC515M | .E..GN | KC515M |
| P3–P4 | .E..HC | KC505M | .E..GN | KC515M | .E..GN | KC515M |
| P5–P6 | .E..HC | KC505M | .E..GN | KC515M | .E..GN | KC515M |
| M1–M2 | – | – | .E..GC | KC515M | – | – |
| M3 | – | – | .E..GC | KC515M | – | – |
| K1–K2 | .E..GN | KC515M | .E..GN | KC515M | .E..GN | KC515M |
| K3 | .E..GN | KC515M | .E..GN | KC515M | .E..GN | KC515M |
| N1–N2 | – | – | – | – | – | – |
| N3 | – | – | – | – | – | – |
| S1–S2 | – | – | – | – | – | – |
| S3 | – | – | – | – | – | – |
| S4 | – | – | .E..GC | KC515M | – | – |
| H1 | .E..HC | KC505M | .E..HC | KC505M | .E..GN | KC515M |
| Material Group | Light Machining | General Purpose | Heavy Machining | |||
| – | (Light geometry) | – | (Strong geometry) | |||
| – | wear resistance | <="" td=""> | toughness | |||
| – | Geometry | Grade | Geometry | Grade | Geometry | Grade |
| P1–P2 | .E..GC | KC515M | .E..GC | KC515M | .E..GN | KC515M |
| P3–P4 | .E..GN | KC515M | .E..GN | KC515M | .E..GN | KC515M |
| P5–P6 | .E..GN | KC515M | .E..GN | KC515M | .E..GN | KC515M |
| M1–M2 | – | – | .E..GN | KC515M | – | – |
| M3 | – | – | .E..GN | KC515M | – | – |
| K1–K2 | .E..GN | KC515M | .E..GN | KC515M | .E..GN | KC515M |
| K3 | .E..GN | KC515M | .E..GN | KC515M | .E..GN | KC515M |
| N1–N2 | – | – | – | – | – | – |
| N3 | – | – | – | – | – | – |
| S1–S2 | – | – | – | – | – | – |
| S3 | – | – | – | – | – | – |
| S4 | – | – | – | – | – | – |
| H1 | – | – | .E..GN | KC515M | – | – |
Recommended Starting Feeds [mm]
| Insert Geometry | Recommended Starting Feed per Tooth (Fz) in Relation to % of Radial Engagement (ae) | Insert Geometry | ||||||||||||||
| 10% | 20% | 30% | 40% | 50–100% | ||||||||||||
| .E..GC | 0,12 | 0,25 | 0,34 | 0,09 | 0,19 | 0,25 | 0,08 | 0,17 | 0,22 | 0,07 | 0,16 | 0,21 | 0,07 | 0,15 | 0,20 | .E..GC |
| .E..GN | 0,17 | 0,25 | 0,34 | 0,12 | 0,19 | 0,25 | 0,11 | 0,17 | 0,22 | 0,10 | 0,16 | 0,21 | 0,10 | 0,15 | 0,20 | .E..GN |
| .E..HC | 0,17 | 0,25 | 0,34 | 0,13 | 0,19 | 0,25 | 0,11 | 0,17 | 0,22 | 0,10 | 0,16 | 0,21 | 0,10 | 0,15 | 0,20 | .E..HC |
| Light Machining | General Purpose | Heavy Machining |
Recommended Starting Feeds [IPT]
| Insert Geometry | Recommended Starting Feed per Tooth (Fz) in Relation to % of Radial Engagement (ae) | Insert Geometry | ||||||||||||||
| 10% | 20% | 30% | 40% | 50–100% | ||||||||||||
| .E..GC | .007 | .010 | .014 | .005 | .008 | .010 | .004 | .007 | .009 | .004 | .006 | .008 | .004 | .006 | .008 | .E..GC |
| .E..GN | .007 | .010 | .014 | .005 | .008 | .010 | .004 | .007 | .009 | .004 | .006 | .008 | .004 | .006 | .008 | .E..GN |
| Light Machining | General Purpose | Heavy Machining |
Recommended Starting Feeds [IPT]
| Insert Geometry | Recommended Starting Feed per Tooth (Fz) in Relation to % of Radial Engagement (ae) | Insert Geometry | ||||||||||||||
| 10% | 20% | 30% | 40% | 50–100% | ||||||||||||
| .S..HF | .059 | .092 | .131 | .042 | .064 | .086 | .036 | .054 | .073 | .034 | .050 | .067 | .033 | .049 | .066 | .S..HF |
| Light Machining | General Purpose | Heavy Machining |
Recommended Starting Speeds [m/min]
| Material Group | K115M | KC505M | KC515M | |||||||
| P | 1 | – | – | – | – | – | – | 330 | 295 | 255 |
| 2 | – | – | – | – | – | – | 310 | 275 | 240 | |
| 3 | – | – | – | – | – | – | 275 | 240 | 200 | |
| 4 | – | – | – | 360 | 260 | 215 | 240 | 200 | 165 | |
| 5 | – | – | – | 360 | 260 | 215 | 200 | 165 | 130 | |
| 6 | – | – | – | 350 | 240 | 190 | 165 | 130 | 110 | |
| M | 1 | – | – | – | – | – | – | 330 | 275 | 240 |
| 2 | – | – | – | – | – | – | 275 | 220 | 165 | |
| 3 | – | – | – | – | – | – | 220 | 185 | 145 | |
| K | 1 | 220 | 185 | 145 | – | – | – | 440 | 330 | 220 |
| 2 | 185 | 145 | 110 | – | – | – | 330 | 255 | 185 | |
| 3 | 110 | 90 | 75 | – | – | – | 145 | 110 | 75 | |
| N | 1–2 | 440 | 330 | 220 | – | – | – | – | – | – |
| 3 | 295 | 220 | 185 | – | – | – | – | – | – | |
| S | 1 | – | – | – | – | – | – | – | – | – |
| 2 | – | – | – | – | – | – | – | – | – | |
| 3 | – | – | – | – | – | – | – | – | – | |
| 4 | – | – | – | – | – | – | – | – | – | |
| H | 1 | – | – | – | 260 | 205 | 170 | 170 | 120 | 95 |
Recommended Starting Speeds [SFM]
| Material Group | KC515M | |||
| P | 1 | 1080 | 960 | 840 |
| 2 | 1020 | 900 | 780 | |
| 3 | 900 | 780 | 660 | |
| 4 | 780 | 660 | 540 | |
| 5 | 660 | 540 | 420 | |
| 6 | 540 | 420 | 360 | |
| M | 1 | 1080 | 900 | 780 |
| 2 | 900 | 720 | 540 | |
| 3 | 720 | 600 | 480 | |
| K | 1 | 1440 | 1080 | 720 |
| 2 | 1080 | 840 | 600 | |
| 3 | 480 | 360 | 240 | |
| N | 1–2 | – | – | – |
| 3 | – | – | – | |
| S | 1 | – | – | – |
| 2 | – | – | – | |
| 3 | – | – | – | |
| 4 | – | – | – | |
| H | 1 | 550 | 400 | 310 |