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Shrink-fit chuck with cooling channel bores, SK 40 A = 160, Clamping range ⌀ D1: 8mm
Article no.: 724637
Catalog no.: 302259
Article code:
Product details
Technical Data
| Through-coolant | yes | |
| Coolant hole can be plugged | yes | |
| Entry of cooling lubricant | with cooling lubricant entry, radially before holder | |
| Escape of cooling lubricant | with cooling lubricant exit, axially angled | |
| Cooling lubricant | yes | |
| Holder type | ISO taper | |
| Interface coding | SKG04001791 | |
| Holder shape | flat surface contact, standard taper form A | |
| Holder version | dimensionless nominal size without cooling | |
| Holder size, no dimensions | 40 | |
| Type of mounting | hole (internal mounting) | |
| Length of shank LS | 140.9 mm | |
| Interface on machine side | SK 40 | |
| Min. clamping diameter D1 | 8 mm | |
| Max. clamping diameter D1 | 8 mm | |
| Gauge length A | 160 mm | |
| External diameter, on the tool side D | 21 mm | |
| Taper angle | 8 degrees | |
| Min. tool clamping length L3 min | 37 mm | |
| Max. tool clamping length L3 | 37 mm | |
| Concentricity | 3 µm | |
| Balance quality G at rotational speed | g 2.5 at 25,000 rpm | |
| Machining strategy | HPC; HSC | |
| Vibration damping | no | |
| Tool pull-out protection | no | |
| Pendular compensation | no | |
| With tapped holes for balancing | yes | |
| Incl. RFID data carrier | no | |
| With cooling channel bore | yes | |
| Coolant channel bore can be plugged | yes | |
| Interface | joint 1; joint 2 | |
| Type of product | shrink-fit chuck | |
| Overall length L | 228.4 mm | |
| Overall height H1 | 27 mm | |
| Overall width B1 | 27 mm | |
| Standard | ISO 7388-1 | |
| Shape | ADB | |
| With hole for RFID data carrier | yes | |
| Through-coolant available | yes | |
| Material | steel | |
| Content | 1 pcs. |
Identification & Classification
| Article number | 724637 | |
| Catalog number | 302259 | |
| EAN / GTIN | 4062406241988 | |
| Manufacturer number | 302259 8 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Description
Version:
- High-temperature steel.
- Size 3 -5 for carbide, from size 6 for HSS and carbide.
- All shanks hard turned (for smooth running!).
- With RFID / Balluffchip bore.
With coolant hole bores tapped for plugging.
coolant hole bores at clamping ⌀ D1: 3, 4 and 5 mm cannot be plugged.
Application:
For clamping tools with parallel shank to h6 tolerance.
Suitable for inductive, contact, and hot-air shrink units.
Suitable for inductive, contact, and hot-air shrink units.