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Manufacturer number:
Cat. No.:
Indexable insert for turning CNGA 120408, CBN (0°)
Article no.: 671524
Catalog no.: 255412
Article code:
Product details
Technical Data
| Entry of cooling lubricant | without cooling lubricant entry | |
| Escape of cooling lubricant | without cooling lubricant exit | |
| Dry machining | suitable | |
| Cooling lubricant | no | |
| Base form | rhombic | |
| Thickness of insert S | 4.76 mm | |
| Insert version | neutral | |
| Length of cutting edge l | 12.895 mm | |
| Height of cutting edge | 4.76 mm | |
| Diameter of insert d | 12.7 mm | |
| Corner radius R | 0.8 mm | |
| Corner angle | 80 degrees | |
| Rake angle | 0 degrees | |
| Normal clearance angle (main cutting edge) | 0 degrees | |
| Normal clearance angle (auxiliary cutting edge) | 0 degrees | |
| ISO-Code | CNGA 120408 | |
| Cutting depth, recommended working area, min. | 0.05 mm | |
| Cutting depth, recommended working area, max. ap max | 0.2 mm | |
| Cutting depth ap, min. | 0.05 mm | |
| Cutting depth ap, max. | 0.2 mm | |
| Cutting speed, main application, min. | 90 m/min | |
| Cutting speed, main application, max. | 140 m/min | |
| Vorschub pro Umdrehung min. f | 0.05 mm/rev. | |
| Vorschub pro Umdrehung max. f | 0.15 mm/rev. | |
| Tool material | BN | |
| Machining group | H (hard materials) | |
| Cutting media, manufacturer’s designation | BU7220 | |
| Grade | BU7220 | |
| Insert thickness T | 4.76 mm | |
| Insert designation | CNGA 120408 | |
| Type of product | cutter insert | |
| With ISO code | yes | |
| Number of teeth | 2 pcs. | |
| Direction of action | neutral | |
| Suitable for material | hardened steel (H) | |
| Tolerance Class | G | |
| Finishing / roughing assignment | finishing | |
| Type of fastening | hole | |
| Chip breaker | no | |
| Cutting conditions | interrupted | |
| Number of potential uses | 2 pcs. | |
| Weight | 10 g | |
| Content | single part |
Identification & Classification
| Article number | 671524 | |
| Catalog number | 255412 | |
| EAN / GTIN | 4045197895233 | |
| Manufacturer number | 255412 G | |
| Article class | 21H | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
H
H
H
Description
Version:
Fitted with 2 cutters.
Description:
New type of CBN with a balanced combination wear-resistance and tensile strength for general-purpose use in hardened steel up to 67 HRC in combination with a special constitution. For use both in continuous cutting and also in slightly interrupted and heavily interrupted cutting.