Method for improving the transient thermal properties of air-lubricated hydrostatic bearings for the main spindles of precision machine tools
US5310264A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 4, 1993 |
| Grant date | May 10, 1994 |
| Priority date | — |
| Expiry date | Mar 4, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S384/905
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A method for improving the transient thermal properties of hydrostatic air main spindles for precision machine tools comprises the steps of installing an entire precision machine tool that has a main spindle with an air-lubricated hydrostatic bearing in a temperature-controlled constant-temperature environment, and raising the temperature of the lubricating air supplied to the air-lubricated hydrostatic bearing above the temperature of the constant-temperature environment until the thermal displacement of the main spindle reaches a target value, and thereafter lowering it below the temperature of the constant-temperature environment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.