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GB512743A - Change speed gear for machine tools with electric motor drive - Google Patents

Change speed gear for machine tools with electric motor drive

Info

Publication number
GB512743A
GB512743A GB37367/38A GB3736738A GB512743A GB 512743 A GB512743 A GB 512743A GB 37367/38 A GB37367/38 A GB 37367/38A GB 3736738 A GB3736738 A GB 3736738A GB 512743 A GB512743 A GB 512743A
Authority
GB
United Kingdom
Prior art keywords
electric motor
motor drive
speed gear
change speed
machine tools
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
GB37367/38A
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.)
PITTLER WERKZEUGMASCHINENFAB
Original Assignee
PITTLER WERKZEUGMASCHINENFAB
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 PITTLER WERKZEUGMASCHINENFAB filed Critical PITTLER WERKZEUGMASCHINENFAB
Publication of GB512743A publication Critical patent/GB512743A/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
    • B23Q5/14—Mechanical drives with means for varying the speed ratio step-by-step
    • B23Q5/147—Mechanical drives with means for varying the speed ratio step-by-step electrically-operated
    • 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
    • B23Q2705/06—Mechanical drives with means for varying the speed ratio
    • B23Q2705/062—Mechanical drives with means for varying the speed ratio for lathes
    • B23Q2705/068—Mechanical drives with means for varying the speed ratio for lathes electrically controlled

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
GB37367/38A 1938-01-25 1938-12-22 Change speed gear for machine tools with electric motor drive Expired GB512743A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE512743X 1938-01-25

Publications (1)

Publication Number Publication Date
GB512743A true GB512743A (en) 1939-09-25

Family

ID=6548212

Family Applications (1)

Application Number Title Priority Date Filing Date
GB37367/38A Expired GB512743A (en) 1938-01-25 1938-12-22 Change speed gear for machine tools with electric motor drive

Country Status (1)

Country Link
GB (1) GB512743A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2806904A1 (en) * 1978-02-17 1979-08-23 Deckel Ag Friedrich SHIFT DEVICE FOR A MULTI-SHAFT SLIDING GEAR

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2806904A1 (en) * 1978-02-17 1979-08-23 Deckel Ag Friedrich SHIFT DEVICE FOR A MULTI-SHAFT SLIDING GEAR

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