Invention Grant
- Patent Title: Die cushion device of press machine
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Application No.: US15158049Application Date: 2016-05-18
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Publication No.: US10259031B2Publication Date: 2019-04-16
- Inventor: Yasuyuki Kohno
- Applicant: AIDA ENGINEERING, LTD.
- Applicant Address: JP Kanagawa
- Assignee: Aida Engineering, Ltd.
- Current Assignee: Aida Engineering, Ltd.
- Current Assignee Address: JP Kanagawa
- Agency: McDermott Will & Emery LLP
- Priority: JP2015-113022 20150603
- Main IPC: B21D24/14
- IPC: B21D24/14 ; B21D24/02 ; B21D24/10 ; F16F15/027 ; B30B15/02

Abstract:
A die cushion device of a press machine includes: a plurality of cushion pads; a plurality of die cushion force generators that supports the plurality of respective cushion pads, and that is capable of independently moving up and down the plurality of respective cushion pads as well as independently generating die cushion force for each of the cushion pads; and a die cushion controller that controls the plurality of die cushion force generators to independently move up and down the plurality of respective cushion pads as well as to independently generate die cushion force for each of the cushion pads.
Public/Granted literature
- US20160354828A1 DIE CUSHION DEVICE OF PRESS MACHINE Public/Granted day:2016-12-08
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