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GB710897A - Improvements in turning piston rings - Google Patents

Improvements in turning piston rings

Info

Publication number
GB710897A
GB710897A GB30183/51A GB3018351A GB710897A GB 710897 A GB710897 A GB 710897A GB 30183/51 A GB30183/51 A GB 30183/51A GB 3018351 A GB3018351 A GB 3018351A GB 710897 A GB710897 A GB 710897A
Authority
GB
United Kingdom
Prior art keywords
copying
template
cam
ring
shape
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
GB30183/51A
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 GB710897A publication Critical patent/GB710897A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q35/00—Control systems or devices for copying directly from a pattern or a master model; Devices for use in copying manually
    • B23Q35/04—Control systems or devices for copying directly from a pattern or a master model; Devices for use in copying manually using a feeler or the like travelling along the outline of the pattern, model or drawing; Feelers, patterns, or models therefor
    • B23Q35/08—Means for transforming movement of the feeler or the like into feed movement of tool or work
    • B23Q35/10—Means for transforming movement of the feeler or the like into feed movement of tool or work mechanically only
    • B23Q35/101—Means for transforming movement of the feeler or the like into feed movement of tool or work mechanically only with a pattern composed of one or more lines used simultaneously for one tool
    • B23Q35/102—Means for transforming movement of the feeler or the like into feed movement of tool or work mechanically only with a pattern composed of one or more lines used simultaneously for one tool of one line
    • B23Q35/103—Means for transforming movement of the feeler or the like into feed movement of tool or work mechanically only with a pattern composed of one or more lines used simultaneously for one tool of one line which turns continuously

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Milling Processes (AREA)

Abstract

710,897. Piston rings. ISLER, F. Dec. 27, 1951 [Dec. 28. 1950], No. 30183/51. Class 122(1) [Also in Group XXII] In a method of turning piston rings of heart- or pear-shape on a copying lathe by means of a copying-cam which is prepared from a template and of a shape to turn a piston ring having equal pressure over its whole periphery on compression, mechanism is employed which changes the effect of the copying cam to give the ring a reduced or increased pressure at the ends when the ring is split and compressed. The template is produced by first turning concentrically a cast piston ring of split form while its tongued-and-grooved ends are pinned together by a pin, and thereafter spreading the ends and pinning them together by a second pin. This template is used in a copying lathe to produce a cam of negative configuration which is then mounted in a further copying lathe having an adjustable depth-of-cut and copying mechanism as described in Specification 710,887, [Group XXII], to produce desired heart- or pear-shape rings as shown in Figs. 9 and 10 according to the setting of this mechanism.
GB30183/51A 1950-12-28 1951-12-27 Improvements in turning piston rings Expired GB710897A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH710897X 1950-12-28

Publications (1)

Publication Number Publication Date
GB710897A true GB710897A (en) 1954-06-23

Family

ID=4530762

Family Applications (1)

Application Number Title Priority Date Filing Date
GB30183/51A Expired GB710897A (en) 1950-12-28 1951-12-27 Improvements in turning piston rings

Country Status (1)

Country Link
GB (1) GB710897A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2168918A (en) * 1984-12-22 1986-07-02 Goetze Ag Circumferential machining of out-of-round workpieces

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2168918A (en) * 1984-12-22 1986-07-02 Goetze Ag Circumferential machining of out-of-round workpieces
US4679472A (en) * 1984-12-22 1987-07-14 Goetze Ag Method and apparatus for machining the circumference of out-of-round workpieces, particularly piston rings

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