Apparatus for protecting mold in injection molding machine
US6755635B2 · kind B2 · utility
1Cited by
11References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 20, 2001 |
| Grant date | Jun 29, 2004 |
| Priority date | — |
| Expiry date | Nov 22, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C45/844
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
There is disclosed a mold protection apparatus of an injection molding machine in which a cross head position and movable mold position are read from a correspondence table, a calculator calculates a thrust force limit value set with respect to a movable mold, and a cross head position controller controls a thrust force of the cross head in the corresponding position via a servomotor, so that the thrust force of the cross head is controlled to indicate a limit value or less in accordance with position of the movable mold.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.