Tool for installing shrink fit parts
US4305203A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 18, 1980 |
| Grant date | Dec 15, 1981 |
| Priority date | — |
| Expiry date | Jan 18, 2000 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/53439
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A tool for installing shrink fit parts formed of a material which is dimensionally stable over a wide range of temperatures having a locating surface on which a part to be shrunk is clamped and having a chamber adjacent the locating surface, which is filled with a cooling media as the part is being shrunk in a source or vat of cooling media, to maintain the part in its shrunken condition after removal from the cooling media. A valve is provided for removing the cooling media from the chamber after the shrunken part is positioned precisely in a second part so that the shrunken part will warm and expand into the second part to form a shrink fit therewith. Also disclosed is a method comprising, positioning a part to be shrunk adjacent a chamber, filling the chamber with a cooling media as the part is being shrunk, maintaining the cooling media adjacent the part while the part is fitted into a second part, thereafter removing the cooling media from the chamber thus allowing the part to expand into the second part to provide a shrink fit therewith and thereafter removing the chamber from the two parts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.