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Shrink-fit chuck with 4 cooling channel bores, nickel-plated, HSK-A 63 short, Clamping ⌀ D1: 20mm
Article no.: 673522
Catalog no.: 308172
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 | hollow shank taper HSK; plain shank | |
| Interface coding | HSK06301790; ZYL02000115 | |
| Holder shape | form A; plain shank | |
| Holder version | dimensionless nominal size with cooling; metric | |
| Holder size, metric | 20 mm | |
| Holder size, no dimensions | 63 | |
| Type of mounting | spigot; hole (internal mounting) | |
| Holder tolerance class | h6 | |
| Shank diameter DS | 20 mm | |
| Length of shank LS | 32 mm | |
| Interface on workpiece side | plain shank | |
| Min. clamping diameter D1 | 20 mm | |
| Max. clamping diameter D1 | 20 mm | |
| Gauge length A | 100 mm | |
| External diameter, on the tool side D | 42 mm | |
| Taper angle | 4.5 degrees | |
| Concentricity | 3 µm | |
| Balance quality G at rotational speed | g 2.5 at 25,000 rpm | |
| Machining strategy | HPC; HSC | |
| Format | short | |
| Including length adjustment screw | yes | |
| Adjustment travel V | 10 mm | |
| Thread G; M | M3 | |
| Incl. RFID data carrier | no | |
| With cooling channel bore | yes | |
| Coolant channel bore can be plugged | yes | |
| Number of cooling channel bores | 4 pcs. | |
| Diameter outer 2 on the tool side D2 | 33 mm | |
| Interface | joint 1; joint 2 | |
| Type of product | shrink-fit chuck | |
| Overall length L | 132 mm | |
| Standard | DIN 69893; ISO 12164-1 | |
| Shape | A | |
| With thread | yes | |
| With hole for RFID data carrier | yes | |
| Through-coolant available | yes | |
| Material | steel | |
| Surface treatment | nickel-plated | |
| Content | 1 pcs. |
Identification & Classification
| Article number | 673522 | |
| Catalog number | 308172 | |
| EAN / GTIN | 4045197945365 | |
| Manufacturer number | 308172 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.
- Sizes 3 − 5 for carbide, from size 6 for HSS and carbide.
- With RFID/Balluffchip bore.
Premium version: Nickel plated version with 4 pluggable cooling channel bores. Integral tool length adjustment (adjustment track 10 mm).
Application:
- For holding end mills and drills with parallel shank to h6 tolerance.
- Suitable for inductive, contact and hot air shrink-fit units.
Supplied with:
4 × M3 nozzle screws.
For chucks with length adjustment including a length adjustment screw (from clamping ⌀ D1 6 mm).
For chucks with length adjustment including a length adjustment screw (from clamping ⌀ D1 6 mm).