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)

Publications (1)

Family

ID=1553521

Family Applications (1)

Country Status (1)

• 0
  • FR FR819078D patent/FR819078A/fr not_active Expired

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