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Shrink-fit chuck vibration-damped, with cooling channel bores, SK 50 A = 160, Clamping range ⌀ D1: 12mm
Article no.: 302216 12
Article code:
Product details
Technical Data
| Through-coolant | yes | |
| Coolant hole can be plugged | yes | |
| Entry of cooling lubricant | with cooling lubricant entry, decentrally via collar | |
| Escape of cooling lubricant | with cooling lubricant exit, axially angled | |
| Cooling lubricant | yes | |
| Holder type | iSO taper | |
| Holder shape | steep taper DIN ISO 7388-1 | |
| Holder version | dimensionless nominal size without cooling | |
| Holder size, no dimensions | 50 | |
| Type of mounting | spigot | |
| Shank length | 140.9 mm | |
| Interface on machine side | SK 50 | |
| Min. clamping diameter | 12 mm | |
| Max. clamping diameter | 12 mm | |
| Gauge length | 160 mm | |
| External diameter, tool-end | 24 mm | |
| Body length (tool side) | 75.9 mm | |
| Concentricity | 3 µm | |
| Balance quality G at rotational speed | g 2.5 at 25,000 rpm | |
| Machining strategy | HPC; HSC | |
| Format | strengthened | |
| Vibration damping | yes | |
| Incl. length adjustment screw | yes | |
| With tapped holes for balancing | yes | |
| 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 | 261.75 mm | |
| Overall height | 80 mm | |
| Overall width | 80 mm | |
| Standard | ISO 7388-1 | |
| Shape | ADB | |
| With hole for RFID data carrier | yes | |
| Through-coolant available | yes | |
| Material | heat-treatable steel | |
| Surface treatment | polished | |
| Content | 1 pcs. |
Identification & Classification
| Article number | 302216 12 | |
| EAN / GTIN | 4062406545567 | |
| Manufacturer number | 302216 12 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Description
Version:
- High-temperature steel.
- Integrated length adjustment of the tools.
- For HSS and solid carbide tools.
- Shanks hard turned (smooth cutting action!).
- With RFID / Balluffchip bore.
- With coolant channel bores and threads that can be sealed.
- With tapped holes on each side for balancing screws.
- Reinforced version/contour.
- Polished surface.
- Specially mounted carbide core in the shrink-fit chuck body.
Advantage:
- Vibration-damping.
- Better workpiece surface finish.
- Optimised tool life.
- Increased process reliability.
- Lower corrosion tendency due to polished surface.
Application:
For clamping tools with plain shank (h6 shank tolerance). Suitable for inductive, contact and hot air shrink-fit units.