GB1033677A - Improvements in or relating to the sharpening and/or re-sharpening of hobs - Google Patents

Improvements in or relating to the sharpening and/or re-sharpening of hobs

Info

Publication number
GB1033677A
GB1033677A GB11873/63A GB1187363A GB1033677A GB 1033677 A GB1033677 A GB 1033677A GB 11873/63 A GB11873/63 A GB 11873/63A GB 1187363 A GB1187363 A GB 1187363A GB 1033677 A GB1033677 A GB 1033677A
Authority
GB
United Kingdom
Prior art keywords
hob
grinding
wheel
slide
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
GB11873/63A
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 GB1033677A publication Critical patent/GB1033677A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
    • B24B3/02—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of milling cutters
    • B24B3/12—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of milling cutters of hobs

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Gear Processing (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

1,033,677. Grinding; milling cutters. F. RIEBEL. March 26, 1963 [March 29, 1962], No. 11873/63. Addition to 989,244. Heading B3D and B3K. A method of sharpening a hob by removing the wear on the back face of the teeth comprises plunge feeding a grinding-wheel having a profile complementary to the hob into the back surface of the teeth or by feeding the hob into the grinding-wheel. As shown in Fig. 1, the grinding-wheel 13 may be moved in any of the directions 14, 15, 16 within the arc 17 to grind the teeth 12 but, in the preferred device described, is moved in the direction 16. The grinding- wheel, which may have a multiple profile corresponding to more than one tooth of the hob, is mounted on a slide 52, Fig. 7, adjustable on a further slide 53 which is urged towards an abutment 59 by a spring 58, the slide being supported on rollers 57 and moved to effect the plunge feed by a belt-driven eccentric 60. At each retraction of the slide 53, a switch 62, Fig. 8, actuates a solenoid 63 to withdraw a finger from an index plate 65. A motor rotates the spindle supporting the hob and, as soon as the carriage 53 moves from the switch 62, the finger is urged against the plate to enter the next notch when aligned therewith. The spindle is also connected by gearing 70 to a lead screw which advances a slide 50 carrying the hob a distance corresponding to the lead to the next tooth. The slide 50 is mounted on a member 73 which can be angularly adjusted to the helix angle of the hob and is vertically adjustable by a screw 80. The profile may be formed on the grinding-wheel by a crushing roller 54. The back surfaces of the teeth have concave surfaces complementary to this profile of the grinding-wheel.
GB11873/63A 1962-03-29 1963-03-26 Improvements in or relating to the sharpening and/or re-sharpening of hobs Expired GB1033677A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEH0045312 1962-03-29

Publications (1)

Publication Number Publication Date
GB1033677A true GB1033677A (en) 1966-06-22

Family

ID=7155770

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11873/63A Expired GB1033677A (en) 1962-03-29 1963-03-26 Improvements in or relating to the sharpening and/or re-sharpening of hobs

Country Status (3)

Country Link
US (1) US3221447A (en)
DE (1) DE1427501B1 (en)
GB (1) GB1033677A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102601457A (en) * 2012-03-22 2012-07-25 沈阳飞机工业（集团）有限公司 Method for machining worm gear hob tooth profile by means of relief grinding

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1853667A (en) * 1927-09-28 1932-04-12 Barber Colman Co Method of and means for grinding cutter blades
DE669650C (en) * 1935-11-26 1939-01-03 Herbert Lindner Dressing the flanks of form grinding wheels
US2215694A (en) * 1938-05-04 1940-09-24 Alloy Steel & Metals Company Bit grinding jig
US2238064A (en) * 1938-05-16 1941-04-15 Ingersoll Milling Machine Co Cutter grinding method
US2278576A (en) * 1938-08-08 1942-04-07 Gleason Works Method of relieving gear cutters
US2361961A (en) * 1942-08-21 1944-11-07 Emery M Rice Universal cutting machine
US2547981A (en) * 1948-09-02 1951-04-10 Barber Colman Co Cutter sharpening machine
US2698477A (en) * 1952-12-31 1955-01-04 Michigan Tool Co Hob
US2869218A (en) * 1954-03-12 1959-01-20 Wolfram P G Lindner Cutter
US2969621A (en) * 1958-01-13 1961-01-31 Sheffield Corp Apparatus for grinding toothed members
US2981038A (en) * 1959-03-17 1961-04-25 Jones And Lamson Machine Compa Method of grinding helical forms

Also Published As

Publication number Publication date
US3221447A (en) 1965-12-07
DE1427501B1 (en) 1970-12-17

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