ES362605A1 - Method of manufacturing a cam for use in an ignition distributor - Google Patents

Method of manufacturing a cam for use in an ignition distributor

Info

Publication number
ES362605A1
ES362605A1 ES362605A ES362605A ES362605A1 ES 362605 A1 ES362605 A1 ES 362605A1 ES 362605 A ES362605 A ES 362605A ES 362605 A ES362605 A ES 362605A ES 362605 A1 ES362605 A1 ES 362605A1
Authority
ES
Spain
Prior art keywords
cam
bowl
asperities
prisms
container
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
ES362605A
Other languages
Spanish (es)
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.)
ZF International UK Ltd
Original Assignee
Lucas Industries Ltd
Joseph Lucas Industries Ltd
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 Lucas Industries Ltd, Joseph Lucas Industries Ltd filed Critical Lucas Industries Ltd
Publication of ES362605A1 publication Critical patent/ES362605A1/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
    • B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
    • B24B31/06—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving oscillating or vibrating containers
    • B24B31/073—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving oscillating or vibrating containers involving a bowl being ring- or spiral-shaped

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
  • Gears, Cams (AREA)

Abstract

An ignition distributer cam is manufactured by (i) grinding the cam to the desired profile, to leave the cam surface with sharp edged asperities defining therebetween channels which in use store lubricant (ii) placing the cam in a container with abrasive particles and (iii) moving the container so that the particles collide with the cam surface and round off the sharp edges without removing the asperities. This is stated to reduce the wear rate of cam followers made of synthetic resin. Distributer cam-shafts having cams ground to the desired profile, are treated in a vibratory finishing machine, e.g. one having an annular bowl 11 of generally semicircular cross-section filled with ceramic particles in the form of prisms. The bowl is spring mounted and is caused to vibrate in such manner that the prisms progress around the bowl from the lower portion 12 thereof in a substantially toroidal helical path towards the outlet 13 from the bowl. A small amount of soapy water is added to the bowl.
ES362605A 1968-01-08 1969-01-08 Method of manufacturing a cam for use in an ignition distributor Expired ES362605A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB981/68A GB1240111A (en) 1968-01-08 1968-01-08 Ignition distributors

Publications (1)

Publication Number Publication Date
ES362605A1 true ES362605A1 (en) 1970-09-16

Family

ID=9713929

Family Applications (1)

Application Number Title Priority Date Filing Date
ES362605A Expired ES362605A1 (en) 1968-01-08 1969-01-08 Method of manufacturing a cam for use in an ignition distributor

Country Status (6)

Country Link
US (1) US3579933A (en)
JP (1) JPS4812015B1 (en)
DE (1) DE1900662A1 (en)
ES (1) ES362605A1 (en)
FR (1) FR1600559A (en)
GB (1) GB1240111A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE2878T1 (en) * 1979-11-17 1983-04-15 Carl Kurt Walther Gmbh & Co. Kg RING-TROUGH-SHAPED VIBRATORY SCRUB CONTAINER.
EP0029897B1 (en) * 1979-11-17 1983-03-30 Carl Kurt Walther GmbH & Co. KG Annular trough shaped vibrating polisher containers
JPS62144909U (en) * 1986-03-05 1987-09-12
DE19513254A1 (en) * 1995-04-07 1996-10-10 Schaeffler Waelzlager Kg Machine part
US5829131A (en) * 1997-11-21 1998-11-03 Chrysler Corporation Method of making camshaft lobes
JP6934653B2 (en) * 2016-03-11 2021-09-15 株式会社チップトン Surface treatment method for metal parts

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2548264A (en) * 1948-03-16 1951-04-10 Bendix Aviat Corp Tumbling process for bearing assemblies
US2932205A (en) * 1957-07-31 1960-04-12 C H Keesling Power operated tool attachment for electric drills and the like
US3482357A (en) * 1965-10-27 1969-12-09 Fujitsu Ltd Automatically controlled cam grinding system

Also Published As

Publication number Publication date
GB1240111A (en) 1971-07-21
FR1600559A (en) 1970-07-27
DE1900662A1 (en) 1969-09-04
JPS4812015B1 (en) 1973-04-17
US3579933A (en) 1971-05-25

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