FR850589A - Automatically variable speed control device for hydraulic presses - Google Patents

Automatically variable speed control device for hydraulic presses

Info

Publication number
FR850589A
FR850589A FR850589DA FR850589A FR 850589 A FR850589 A FR 850589A FR 850589D A FR850589D A FR 850589DA FR 850589 A FR850589 A FR 850589A
Authority
FR
France
Prior art keywords
control device
speed control
variable speed
hydraulic presses
automatically variable
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LE MATERIEL HYDRAULIQUE
Original Assignee
LE MATERIEL HYDRAULIQUE
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LE MATERIEL HYDRAULIQUE filed Critical LE MATERIEL HYDRAULIQUE
Application granted granted Critical
Publication of FR850589A publication Critical patent/FR850589A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/16—Control arrangements for fluid-driven presses
    • B30B15/161—Control arrangements for fluid-driven presses controlling the ram speed and ram pressure, e.g. fast approach speed at low pressure, low pressing speed at high pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR850589D 1938-09-02 1938-09-02 Automatically variable speed control device for hydraulic presses Expired FR850589A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR850589T 1938-09-02

Publications (1)

Publication Number Publication Date
FR850589A true FR850589A (en) 1939-12-20

Family

ID=9318384

Family Applications (1)

Application Number Title Priority Date Filing Date
FR850589D Expired FR850589A (en) 1938-09-02 1938-09-02 Automatically variable speed control device for hydraulic presses

Country Status (1)

Country Link
FR (1) FR850589A (en)

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