GB126291A - An Improved Method of and Tool for Continuously and Simultaneously Rough-cutting and Finishing of Gear-wheels according to the Rolling Principle. - Google Patents

An Improved Method of and Tool for Continuously and Simultaneously Rough-cutting and Finishing of Gear-wheels according to the Rolling Principle.

Info

Publication number
GB126291A
GB126291A GB10280/19A GB1028019A GB126291A GB 126291 A GB126291 A GB 126291A GB 10280/19 A GB10280/19 A GB 10280/19A GB 1028019 A GB1028019 A GB 1028019A GB 126291 A GB126291 A GB 126291A
Authority
GB
United Kingdom
Prior art keywords
cutters
finishing
blank
roughing
teeth
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
GB10280/19A
Inventor
Erik Hjalmar Wingqvist
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB126291A publication Critical patent/GB126291A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23FMAKING GEARS OR TOOTHED RACKS
    • B23F9/00Making gears having teeth curved in their longitudinal direction
    • B23F9/08Making gears having teeth curved in their longitudinal direction by milling, e.g. with helicoidal hob
    • B23F9/10Making gears having teeth curved in their longitudinal direction by milling, e.g. with helicoidal hob with a face-mill
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23FMAKING GEARS OR TOOTHED RACKS
    • B23F21/00Tools specially adapted for use in machines for manufacturing gear teeth
    • B23F21/12Milling tools
    • B23F21/22Face-mills for longitudinally-curved gear teeth

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Numerical Control (AREA)

Abstract

126,291. Wingqvist, E. H. April 29, 1918, [Convention date]. Gear-cutting; milling-cutters.-In cutting spur or bevel gear-wheels on the rolling generating principle, all the gaps are continuously rough cut and finished in a single continuous operation. As applied to the formation of teeth in which the line of intersection of the side surfaces of the teeth and the pitch surfaces form, when developed in a plane A, B, C, D, Fig. 1, congruous parts of parallel cycloids Z', Z<2>, the disk W, Figs. 11 and 12, carrying the cutters Sv, Sx for finishing the tooth surfaces is provided with cutters Fv and Fx to rough out the tooth spaces. If the blank H, Fig. 11, is rolled inwards relatively to the disk W, the cutter Fv which cuts with its outer corner is placed, so as to act first on the blank, at a radius R2 greater than the radius R, at which the cutter Fx acts, which in turn is greater than the radius R at which all the cutters Sv, Sx act. Figs. 11, 12, 13, 15, and 17 show different positions of cutter and blank, but at the same point in the feed, the finishing cutters not yet acting on the blank. Figs. 51, 53, 55, and 57 are similar views when the feed has advanced so that the finishing cutters only are acting on the blank. The angular position of the roughing-cutters Fv, Fx is chosen so that in their paths Z<4>, Z<3>, Fig. 1, they leave a minimum of metal to be removed by the finishing cutters. The number of roughing-cutters should be so chosen in relation to the number of teeth of the gear to be cut that the two numbers have no common factor, and thus all the gaps are acted on in succession, and the feed should be such that this is done by the roughing-cutters before the finishing-cutters begin to act. By using one or other of a pair of disks having 11 and 13 roughing cutters, all gears except that with 11 x 13, i.e. 143 teeth, can be cut. If the blank is rolled outwards, the radii R2, R, are made less than R.
GB10280/19A 1918-04-29 1919-04-24 An Improved Method of and Tool for Continuously and Simultaneously Rough-cutting and Finishing of Gear-wheels according to the Rolling Principle. Expired GB126291A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE126291X 1918-04-29

Publications (1)

Publication Number Publication Date
GB126291A true GB126291A (en) 1919-09-04

Family

ID=32679771

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10280/19A Expired GB126291A (en) 1918-04-29 1919-04-24 An Improved Method of and Tool for Continuously and Simultaneously Rough-cutting and Finishing of Gear-wheels according to the Rolling Principle.

Country Status (1)

Country Link
GB (1) GB126291A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2932239A (en) * 1956-06-04 1960-04-12 Wildhaber Ernest Face hob and method of hobbing straight-tooth bevel gears

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2932239A (en) * 1956-06-04 1960-04-12 Wildhaber Ernest Face hob and method of hobbing straight-tooth bevel gears

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