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Shrink-fit chuck with cooling channel bores, SK 50 A = 120, Clamping range ⌀ D1: 20mm
Article no.: 183363
Catalog no.: 302308
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 | |
| Manufacturer’s designation | Schrumpffutter mit Kühlkanalbohrungen, SK 50 A = 120, Spann-⌀ D1: 20mm | |
| Interface position | on the machine; on the workpiece | |
| Holder type | ISO taper; plain shank | |
| Interface coding | SKG05000110; ZYL02000115 | |
| 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 | 20 mm | |
| Holder size, no dimensions | 50 | |
| Type of mounting | spigot; hole (internal mounting) | |
| Holder tolerance class | h6 | |
| Shank diameter DS | 20 mm | |
| Interface on machine side | SK 50 | |
| Interface on workpiece side | plain shank | |
| Min. clamping diameter D1 | 20 mm | |
| Max. clamping diameter D1 | 20 mm | |
| Gauge length A | 120 mm | |
| External diameter, on the tool side D | 41 mm | |
| Max. speed | 25’000 min-1 | |
| Concentricity | 3 µm | |
| Balance quality G at rotational speed | g 2.5 at 25,000 rpm | |
| Machining strategy | HPC; HSC | |
| Thread G; M | M24 | |
| With cooling channel bore | yes | |
| Coolant channel bore can be plugged | yes | |
| Diameter outer 2 on the tool side D2 | 33 mm | |
| Interface | joint 1; joint 2 | |
| Type of product | shrink-fit chuck | |
| Overall length L | 221.75 mm | |
| Overall height H1 | 97.5 mm | |
| Overall width B1 | 97.5 mm | |
| Standard | ISO 7388-1 | |
| Shape | ADB | |
| With thread | yes | |
| With hole for RFID data carrier | yes | |
| Through-coolant available | yes | |
| Material | steel | |
| Content | 1 pcs. |
Identification & Classification
| Article number | 183363 | |
| Catalog number | 302308 | |
| EAN / GTIN | 4062406544676 | |
| Manufacturer number | 302308 20 | |
| 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.