Press brake and ram movement method for precs brake

Press brake and ram movement method for precs brake

  • CN 1,387,466 A
  • Filed: 10/19/2000
  • Published: 12/25/2002
  • Est. Priority Date: 10/20/1999
  • Status: Abandoned Application
First Claim
Patent Images

1. , a kind of bullodozer, the hydraulic cylinder that comprises a plurality of be used for relatively moving up and down upper holder or bottom platens, wherein corresponding corresponding hydraulic cylinder is provided with corresponding bidirectional fluid pump, so that by hydraulic means it is connected, and corresponding bidirectional fluid pump has the structure of being controlled separately with corresponding hydraulic means.

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