FR754823A - Control device for drilling machines - Google Patents

Control device for drilling machines

Info

Publication number
FR754823A
FR754823A FR754823DA FR754823A FR 754823 A FR754823 A FR 754823A FR 754823D A FR754823D A FR 754823DA FR 754823 A FR754823 A FR 754823A
Authority
FR
France
Prior art keywords
control device
drilling machines
drilling
machines
control
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.)
FIRME CARL SCHWEMANN BOHRMASCH
Original Assignee
FIRME CARL SCHWEMANN BOHRMASCH
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 FIRME CARL SCHWEMANN BOHRMASCH filed Critical FIRME CARL SCHWEMANN BOHRMASCH
Application granted granted Critical
Publication of FR754823A publication Critical patent/FR754823A/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
    • B23Q5/16—Mechanical drives with means for varying the speed ratio infinitely-variable

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
FR754823D 1931-06-25 1933-04-27 Control device for drilling machines Expired FR754823A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DESCH94581D DE589416C (en) 1931-06-25 1931-06-25 Friction disk drive for drilling machines coupled with an electric motor

Publications (1)

Publication Number Publication Date
FR754823A true FR754823A (en) 1933-11-14

Family

ID=7445419

Family Applications (1)

Application Number Title Priority Date Filing Date
FR754823D Expired FR754823A (en) 1931-06-25 1933-04-27 Control device for drilling machines

Country Status (2)

Country Link
DE (1) DE589416C (en)
FR (1) FR754823A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2600925A1 (en) * 1986-07-02 1988-01-08 Faure Robert Method for polishing objects in an automatic cycle, regardless of their shape, and device for its implementation

Also Published As

Publication number Publication date
DE589416C (en) 1933-12-07

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