Device of a tool spindle
US6413025B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 20, 2001 |
| Grant date | Jul 2, 2002 |
| Priority date | — |
| Expiry date | Sep 20, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T409/309464
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Supply unit for a tool spindle wholly or partially equipped with a moveable pulling rod (3) axially displaceable in the spindle axle (1) for firmly attaching the tool with a fluid supply system for displacing the pulling rod (3), with a fluid supply system for cooling a rotor (22) of a driving source supported on the spindle axle for driving the spindle axle, a fluid supply system for cooling the tool, and a gas supply system for blocking fluid leakage in gaps between parts that move in relation to one another. The supply unit includes, for one or more of the said systems, at least one sensor that senses if a malfunction exists in the fluid and/or gas supply system, and, for one or more of the said systems, an accumulator (704, 164, 243) that from indicated malfunction signals obtained from one or more sensors feeds into the system or systems complementary and replacement fluid respectively gas to the tool spindle at the same time as the sensor or sensors deactivate the driving source of the spindle axle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.