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Shrink-fit chuck with cooling channel bores, SK 40 A = 120, Clamping range ⌀ D1: 18mm
Article no.: 483234
Catalog no.: 302257
Article code:
Product details
Technical Data
| Through-coolant | yes | |
| Coolant hole can be plugged | yes | |
| Entry of cooling lubricant | with cooling lubricant entry, axially concentric | |
| Escape of cooling lubricant | with cooling lubricant exit, axially concentric; with cooling lubricant exit, axially on bolt circle | |
| Cooling lubricant | yes | |
| Interface position | on the machine; on the workpiece | |
| Holder type | ISO taper; plain shank | |
| Interface coding | SKG04001795; ZYL01800105 | |
| Holder shape | steep taper DIN ISO 7388-1; plain shank | |
| Holder version | dimensionless nominal size with cooling; metric with cooling lubricant holes | |
| Holder size, metric | 18 mm | |
| Holder size, no dimensions | 40 | |
| Type of mounting | spigot; hole (internal mounting) | |
| Holder tolerance class | h6 | |
| Shank diameter DS | 18 mm | |
| Interface on machine side | SK 40 | |
| Interface on workpiece side | plain shank | |
| Min. clamping diameter D1 | 18 mm | |
| Max. clamping diameter D1 | 18 mm | |
| Gauge length A | 120 mm | |
| External diameter, on the tool side D | 40.9 mm | |
| Concentricity | 3 µm | |
| Balance quality G at rotational speed | g 2.5 at 25,000 rpm | |
| Machining strategy | HPC; HSC | |
| With cooling channel bore | yes | |
| Coolant channel bore can be plugged | yes | |
| External diameter, 2 on the tool side D2 | 33 mm | |
| Interface | joint 1; joint 2 | |
| Type of product | shrink-fit chuck | |
| Overall length L | 188.4 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 | 483234 | |
| Catalog number | 302257 | |
| EAN / GTIN | 4045197467768 | |
| Manufacturer number | 302257 18 | |
| Article class | 31A | |
| 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.