Operation method of electric press working machine
US9044912B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 21, 2011 |
| Grant date | Jun 2, 2015 |
| Priority date | — |
| Expiry date | Nov 21, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB30B1/186
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An operation method of an electric press working machine including a frame body, a crown, and a plurality of support posts, a first slide that slides on the support posts, a second slide that slides on the support posts, a first-side drive source that drives the first slide, a second-side drive source that drives the second slide, and either a first upper die that is attached to correspond to the first slide or a second upper die that is attached to correspond to the second slide or both. The method includes: a step of moving the first and second slides to a first position; a step of moving the second slide to a second position while keeping the first slide at the first position; and a step of moving the second slide to a third position while keeping the first slide at the first position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.