GB672022A - Gear finishing tool - Google Patents

Gear finishing tool

Info

Publication number
GB672022A
GB672022A GB36450A GB36450A GB672022A GB 672022 A GB672022 A GB 672022A GB 36450 A GB36450 A GB 36450A GB 36450 A GB36450 A GB 36450A GB 672022 A GB672022 A GB 672022A
Authority
GB
United Kingdom
Prior art keywords
teeth
cutter
shaved
finishing tool
cone angle
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
GB36450A
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.)
Nachi Machining Technology Co
Original Assignee
National Broach and Machine Co
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 National Broach and Machine Co filed Critical National Broach and Machine Co
Publication of GB672022A publication Critical patent/GB672022A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23F—MAKING GEARS OR TOOTHED RACKS
    • B23F21/00—Tools specially adapted for use in machines for manufacturing gear teeth
    • B23F21/28—Shaving cutters

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Milling, Broaching, Filing, Reaming, And Others (AREA)
  • Gear Processing (AREA)

Abstract

672,022. Making milling-cutters; gearcutting. NATIONAL BROACH & MACHINE CO. Jan. 6, 1950 [Feb. 21, 1949], No. 364/50. Classes 83 (ii) and 83 (iii). A conical gear-finishing tool 10 having a cone angle of less than 30 degrees comprises teeth 12 of generated involute form having different leads on opposite sides and having an operating pressure angle at their large ends greater than that at their small ends, the teeth being modified with a hollow lead, as described in Specification 635,020. The cutter, which is used in practising the method of Specification 622,744, is cut by traversing a hob 15 as shown. Clearance channels 22 are then drilled, the teeth are grooved and the cutter hardened. The teeth are then ground by rolling the cutter in contact with the modified face of a grinding- wheel. Plain helical spur gears may be shaved or, for producing clutch teeth, a tapered gear may be shaved by the same cutter. The cone angle is preferably 15 degrees.
GB36450A 1949-02-21 1950-01-06 Gear finishing tool Expired GB672022A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1008220XA 1949-02-21 1949-02-21

Publications (1)

Publication Number Publication Date
GB672022A true GB672022A (en) 1952-05-14

Family

ID=22281709

Family Applications (1)

Application Number Title Priority Date Filing Date
GB36450A Expired GB672022A (en) 1949-02-21 1950-01-06 Gear finishing tool

Country Status (2)

Country Link
FR (1) FR1008220A (en)
GB (1) GB672022A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2909831A (en) * 1955-10-03 1959-10-27 Nat Broach & Mach Shaving cutter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2909831A (en) * 1955-10-03 1959-10-27 Nat Broach & Mach Shaving cutter

Also Published As

Publication number Publication date
FR1008220A (en) 1952-05-15

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