GB481722A - Improved method of grinding cam shafts - Google Patents

Improved method of grinding cam shafts

Info

Publication number
GB481722A
GB481722A GB29243/37A GB2924337A GB481722A GB 481722 A GB481722 A GB 481722A GB 29243/37 A GB29243/37 A GB 29243/37A GB 2924337 A GB2924337 A GB 2924337A GB 481722 A GB481722 A GB 481722A
Authority
GB
United Kingdom
Prior art keywords
cam
concavity
disc
radius
curvature
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
GB29243/37A
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.)
Friedrich Deckel AG
Original Assignee
Friedrich Deckel AG
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 Friedrich Deckel AG filed Critical Friedrich Deckel AG
Publication of GB481722A publication Critical patent/GB481722A/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
    • B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B24B19/08—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding non-circular cross-sections, e.g. shafts of elliptical or polygonal cross-section
    • B24B19/12—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding non-circular cross-sections, e.g. shafts of elliptical or polygonal cross-section for grinding cams or camshafts

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)

Abstract

481,722. Grinding cams. DECKEL, F., (trading as DECKEL, PRAZISIONSMECHANIK UND MASCHINENBAU, F., [Firm of]). Oct. 26, 1937, No. 29243. Convention date, Oct. 27, 1936. [Class 60] The grinding of a cam 1, having a concavity, is effected in two operations. The concavity is ground (1) by a cylindrical disc 3, Fig. 1, having its axis parallel to that of the cam and having a radius equal to or less than the smallest radius of curvature of the concavity, the cam being slowly rotated, or (2) by a large diameter disc 4, Fig. 3, having its axis at right-angles to that of the cam and having an arcuate periphery with a radius of curvature equal to or less than the smallest radius of curvature of the concavity, the cam being slowly rotated, or (3) by a disc 5, Fig. 5, having its axis at rightangles to that of the cam and having a profile identical with the concavity, the cam being held stationary. The remaining portion of the cam is ground by a disc of large diameter having its axis parallel to that of the cam.
GB29243/37A 1936-10-27 1937-10-26 Improved method of grinding cam shafts Expired GB481722A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE481722X 1936-10-27

Publications (1)

Publication Number Publication Date
GB481722A true GB481722A (en) 1938-03-16

Family

ID=6542707

Family Applications (1)

Application Number Title Priority Date Filing Date
GB29243/37A Expired GB481722A (en) 1936-10-27 1937-10-26 Improved method of grinding cam shafts

Country Status (1)

Country Link
GB (1) GB481722A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2426807A (en) * 1945-11-09 1947-09-02 Thompson Grinder Co Apparatus for shaping workpieces by grinding
WO1994014571A1 (en) * 1992-12-23 1994-07-07 Western Atlas Uk Limited Workpiece grinding apparatus
GB2273899B (en) * 1992-12-23 1996-01-10 Litton Uk Ltd Workpiece grinding apparatus
EP1270878A2 (en) 2001-06-12 2003-01-02 Yamaha Hatsudoki Kabushiki Kaisha Valve drive mechanism for internal combustion engine; device and method for grinding three-dimensional cams
CN102152196A (en) * 2010-12-23 2011-08-17 潘旭华 Method for grinding concave surface of cam with concave surface

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2426807A (en) * 1945-11-09 1947-09-02 Thompson Grinder Co Apparatus for shaping workpieces by grinding
WO1994014571A1 (en) * 1992-12-23 1994-07-07 Western Atlas Uk Limited Workpiece grinding apparatus
GB2273899B (en) * 1992-12-23 1996-01-10 Litton Uk Ltd Workpiece grinding apparatus
EP1270878A2 (en) 2001-06-12 2003-01-02 Yamaha Hatsudoki Kabushiki Kaisha Valve drive mechanism for internal combustion engine; device and method for grinding three-dimensional cams
EP1270878A3 (en) * 2001-06-12 2007-07-25 Yamaha Hatsudoki Kabushiki Kaisha Valve drive mechanism for internal combustion engine; device and method for grinding three-dimensional cams
CN102152196A (en) * 2010-12-23 2011-08-17 潘旭华 Method for grinding concave surface of cam with concave surface

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