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FR912587A - Improvement in automatic control devices in gear change mechanisms for machine tools - Google Patents

Improvement in automatic control devices in gear change mechanisms for machine tools

Info

Publication number
FR912587A
FR912587A FR912587DA FR912587A FR 912587 A FR912587 A FR 912587A FR 912587D A FR912587D A FR 912587DA FR 912587 A FR912587 A FR 912587A
Authority
FR
France
Prior art keywords
improvement
control devices
automatic control
machine tools
gear change
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.)
Potter & Johnston Machine Comp
Original Assignee
Potter & Johnston Machine Comp
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 Potter & Johnston Machine Comp filed Critical Potter & Johnston Machine Comp
Application granted granted Critical
Publication of FR912587A publication Critical patent/FR912587A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/02—Driving main working members
    • B23Q5/04—Driving main working members rotary shafts, e.g. working-spindles
    • B23Q5/12—Mechanical drives with means for varying the speed ratio
    • B23Q5/18—Devices for preselecting speed of working-spindle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q2705/00—Driving working spindles or feeding members carrying tools or work
    • B23Q2705/02—Driving working spindles
    • B23Q2705/08—Devices for preselecting speed in gear boxes of lathes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR912587D 1943-06-22 1945-07-18 Improvement in automatic control devices in gear change mechanisms for machine tools Expired FR912587A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US912587XA 1943-06-22 1943-06-22

Publications (1)

Publication Number Publication Date
FR912587A true FR912587A (en) 1946-08-13

Family

ID=22226843

Family Applications (1)

Application Number Title Priority Date Filing Date
FR912587D Expired FR912587A (en) 1943-06-22 1945-07-18 Improvement in automatic control devices in gear change mechanisms for machine tools

Country Status (1)

Country Link
FR (1) FR912587A (en)

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