CNMG 643-R:6640
Turning Insert - Negative
Ordering number: 6751548
Double-sided negative turning insert, 80° rhomboid with inscribed circle diameter of 3/4", 1/4" thick, 3/64" nose radius and indexing accuracy according to ISO-tolerance class- M, chip-breaker R, in grade 6640, a MT-CVD coated WC-Co carbide within ISO ranges P20 - P40 and K25 - K40, for medium to heavy machining of steels and cast-irons
Product Detail
Description | Value |
|---|---|
| EAN number | 3603602869142 |
| EDP number | 6751548 |
| Product name | CNMG 190612E-R:6640 |
| Ordering code ANSI | CNMG 643-R:6640 |
| Gross weight - grams | 28.378 |
| Inscribed circle diameter - inch (IC) | 0.75 inch |
| Inscribed circle diameter - millimeter (IC) | 19.05 mm |
| Fixing hole diameter - inch (D1) | 0.313 inch |
| Fixing hole diameter - millimeter (D1) | 7.94 mm |
| Cutting edge length - inch (L) | 0.76 inch |
| Cutting edge length - millimeter (L) | 19.3 mm |
| Insert thickness - inch (S) | 0.25 inch |
| Insert thickness - millimeter (S) | 6.35 mm |
| Grade | 6640 |
| Corner radius - inch (RE) | 0.047 inch |
| Corner radius - millimeter (RE) | 1.2 mm |
| Insert Clearance Code and Angle | N 0° |
| Insert Design | CNMG |
| Insert size | 19 |
| Insert Thickness | 06 |
| Insert Type | G |
| Chipbreaker manufacturer's designation (CBMD) | R |
| Insert shape code (SC) | C - rhombic 80° included angle |
| Tool Design | CN |
| Insert Geometry | Negative |
| ANSI | CNMG643-R:6640 |
| ISO | CNMG190612E-R:6640 |
Cutting Conditions
| Suitability | ap | vc | f | |
|---|---|---|---|---|
Primary use | 0.118 - 0.315 inch | 361 - 607 ft/min | 0.0098 - 0.0276 inch/rev |
| Suitability | ap | vc | f | |
|---|---|---|---|---|
Primary use | 0.118 - 0.315 inch | 328 - 574 ft/min | 0.0098 - 0.0276 inch/rev |