GB1534389A - Method and planetary-type lapping machine for lapping a group of workpieces - Google Patents

Method and planetary-type lapping machine for lapping a group of workpieces

Info

Publication number
GB1534389A
GB1534389A GB3554577A GB3554577A GB1534389A GB 1534389 A GB1534389 A GB 1534389A GB 3554577 A GB3554577 A GB 3554577A GB 3554577 A GB3554577 A GB 3554577A GB 1534389 A GB1534389 A GB 1534389A
Authority
GB
United Kingdom
Prior art keywords
lapping
cages
gear
lapping disc
parts
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
GB3554577A
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.)
MO YYSSHEE TEKH UCHILIS IM NE
Original Assignee
MO YYSSHEE TEKH UCHILIS IM NE
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 MO YYSSHEE TEKH UCHILIS IM NE filed Critical MO YYSSHEE TEKH UCHILIS IM NE
Priority to GB3554577A priority Critical patent/GB1534389A/en
Publication of GB1534389A publication Critical patent/GB1534389A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B37/00Lapping machines or devices; Accessories
    • B24B37/04Lapping machines or devices; Accessories designed for working plane surfaces
    • B24B37/07Lapping machines or devices; Accessories designed for working plane surfaces characterised by the movement of the work or lapping tool
    • B24B37/08Lapping machines or devices; Accessories designed for working plane surfaces characterised by the movement of the work or lapping tool for double side lapping

Abstract

1534389 Lapping MOSKOV YYSSHEE TEKHNICHE UCHILISCHE IM NE BAUMANA 24 Aug 1977 35545/77 Heading B3D A method of lapping a group of parts 14 using a planetary-type plane lapping machine comprises placing the parts in cages 13 between a stationary lapping disc 12 and a rotary lapping disc 11, and driving the rotary lapping disc at an angular speed which is about twice the angular speed of rotation of the centres of the cages about the axis of the rotary lapping disc, whereby the cages are relieved from the action of the parts being machined. In a machine for carrying out the method, the parts 14 are placed in sockets in the cages 13 which have teeth engaging a sun gear 15 and a ring gear 16. The lapping disc 11 has stops 17 engaged by pins 18 of a double-speed multiplier having a carrier 19, spherical bearing 20, cross-piece 21 rigid with a central shaft 22, a support gear 23, planet gears 24 and a ring gear 25. An electric motor 27 drives, through reduction gearing 28 and a shaft 29, the centred shaft 22 and the ring gear 16. The sun gear 15 and cross-piece 21 are secured to the central shaft so as to rotate at the same angular speed and the multiplier rotates the ring gear 25 at twice the speed of the sun gear 15 so that the upper lapping disc rotates at twice the angular speed of the cages about the axis of the lapping disc. In another embodiment, a correction mechanism is provided comprising a second sun-and-planet gear driven by a reversible electric motor for increasing or decreasing the rotational speed of the gear 16 depending on whether the wear of the lapping discs is convex or concave.
GB3554577A 1977-08-24 1977-08-24 Method and planetary-type lapping machine for lapping a group of workpieces Expired GB1534389A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3554577A GB1534389A (en) 1977-08-24 1977-08-24 Method and planetary-type lapping machine for lapping a group of workpieces

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3554577A GB1534389A (en) 1977-08-24 1977-08-24 Method and planetary-type lapping machine for lapping a group of workpieces

Publications (1)

Publication Number Publication Date
GB1534389A true GB1534389A (en) 1978-12-06

Family

ID=10378924

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3554577A Expired GB1534389A (en) 1977-08-24 1977-08-24 Method and planetary-type lapping machine for lapping a group of workpieces

Country Status (1)

Country Link
GB (1) GB1534389A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3335116A1 (en) * 1982-09-28 1984-03-29 Tokyo Shibaura Electric Co Semiconductor boards and method and device for their production
WO1997047432A1 (en) * 1996-06-13 1997-12-18 Christopher Mobbs & Associates Pty. Ltd. Lapping apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3335116A1 (en) * 1982-09-28 1984-03-29 Tokyo Shibaura Electric Co Semiconductor boards and method and device for their production
WO1997047432A1 (en) * 1996-06-13 1997-12-18 Christopher Mobbs & Associates Pty. Ltd. Lapping apparatus

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Legal Events

Date Code Title Description
429A Application made for amendment of specification (sect. 29/1949)
429H Application (made) for amendment of specification now open to opposition (sect. 29/1949)
429D Case decided by the comptroller ** specification amended (sect. 29/1949)
PS Patent sealed
SP Amendment (slips) printed
PCNP Patent ceased through non-payment of renewal fee