Invention Application
- Patent Title: PRESS SYSTEM
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Application No.: US16250334Application Date: 2019-01-17
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Publication No.: US20190232353A1Publication Date: 2019-08-01
- Inventor: Yasuyuki KOHNO
- Applicant: AIDA ENGINEERING, LTD.
- Priority: JP2018-015454 20180131
- Main IPC: B21D24/02
- IPC: B21D24/02 ; B21D24/14

Abstract:
A press system providing excellent energy efficiency for a whole press system and capable of achieving low prices is provided. A die cushion apparatus constituting a press system supports a cushion pad, includes a hydraulic cylinder which generates a die cushion load on the cushion pad when a slide of a press machine descends, the press machine includes a hydraulic cylinder which generates part of a press load on the slide when the slide descends. The pressure generation chamber of the hydraulic cylinder for generating a die cushion load and the pressure generation chamber of the hydraulic cylinder for generating part of the press load can communicate with each other via pipes and a first logic valve for a period during which the die cushion load acts.
Public/Granted literature
- US11529664B2 Press system Public/Granted day:2022-12-20
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