GB551975A - Improved method of and apparatus for cutting gears - Google Patents

Improved method of and apparatus for cutting gears

Info

Publication number
GB551975A
GB551975A GB570742A GB570742A GB551975A GB 551975 A GB551975 A GB 551975A GB 570742 A GB570742 A GB 570742A GB 570742 A GB570742 A GB 570742A GB 551975 A GB551975 A GB 551975A
Authority
GB
United Kingdom
Prior art keywords
tool
edge
cutting
finishing
roughing
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
GB570742A
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.)
Gleason Works
Original Assignee
Gleason Works
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
Priority to US551975XA priority Critical
Application filed by Gleason Works filed Critical Gleason Works
Publication of GB551975A publication Critical patent/GB551975A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B23F21/04Planing or slotting tools

Abstract

551,975. Gear-cutting. GLEASON WORKS. April 28, 1942, No. 5707. Convention date, Aug. 1, 1941. [Class 83 (iii)] In a method of and means for cutting gears particularly for fine pitch straight bevel-gears, a reciprocatory tool has two cutting edges one behind the other, one edge cutting on one side and the other on the other side of a tooth space. The tools T, T<SP>1</SP> may be used in a bevelgear generator of the kind described in Specification 212,862, [Class 83 (iii)], being mounted in . tool boxes carried by slides 12, 13 moving on angularly adjustable arms 14, 15 reciprocated alternately by crank mechanism including an oscillating plate 16. The usual clapper mechanism is provided. Each tool, Figs. 3 and 5, comprises a plate 25 secured to the tool box by bolts. The leading part of the tool is a roughing portion and the following part a finishing portion. In order that the tool may be used on either slide it is preferably formed with two roughing portions 30, 32, adapted to cut in opposite directions and a double-ended finishing portion 31. The face 38 of the part 30 is formed with side and bottom rake so that it cuts on the edge 39, Fig. 3, while the face 49 of the finishing portion is raked so as to form a sharp cutting edge on the opposite side 51. The corresponding edges 41, 52 which are used when the tool is mounted on the opposite slide are similarly formed. The bottom edge 46 of the finishing part takes no part in the cutting and is located at a distance d, Fig. 3, below the bottom edge 36, of the roughing part. When the tool is in use it is .tilted as shown in Fig. 5 to obtain a bottom clearance angle c. In this position the edge 46 does not touch the work. The two tools are' reciprocated towards the cone apex and are either rolled relatively to the work or fed to depth by a non-generating action. The respective positions of the tools in cutting are shown in Fig. 4. Thus in one space the tool, T<SP>1</SP> roughs out the flank 69 with the roughing edge 39 and finishes the opposite flank with the finishing edge 52. In the next space one flank is finished by the edge 51 of tool T and the other roughed by the edge 39. Indexing is in the direction of the arrow 66 so that during the next operation the tool T<SP>1</SP> operates in the space 71 while the edge 69 is finished by the edge 51 of tool T. In a modification the tool may be non-reversible having two cutting parts only. In another modification the different sections of the tool may all be roughing parts, and the cutting edges may be of any desired profile instead of being straight.
GB570742A 1941-08-01 1942-04-28 Improved method of and apparatus for cutting gears Expired GB551975A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US551975XA true 1941-08-01 1941-08-01

Publications (1)

Publication Number Publication Date
GB551975A true GB551975A (en) 1943-03-17

Family

ID=21996284

Family Applications (1)

Application Number Title Priority Date Filing Date
GB570742A Expired GB551975A (en) 1941-08-01 1942-04-28 Improved method of and apparatus for cutting gears

Country Status (1)

Country Link
GB (1) GB551975A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103028788A (en) * 2012-12-28 2013-04-10 天津大学 Designing method of straight-tooth slicing cutter without theoretical tooth profile error
US9518612B2 (en) 2012-04-11 2016-12-13 Siemens Aktiengesellschaft Method and tool for producing a coupling with a flat bottom and central protrusion

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9518612B2 (en) 2012-04-11 2016-12-13 Siemens Aktiengesellschaft Method and tool for producing a coupling with a flat bottom and central protrusion
CN103028788A (en) * 2012-12-28 2013-04-10 天津大学 Designing method of straight-tooth slicing cutter without theoretical tooth profile error

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