GB398529A - Improvements in or relating to lapping machines - Google Patents

Improvements in or relating to lapping machines

Info

Publication number
GB398529A
GB398529A GB695332A GB695332A GB398529A GB 398529 A GB398529 A GB 398529A GB 695332 A GB695332 A GB 695332A GB 695332 A GB695332 A GB 695332A GB 398529 A GB398529 A GB 398529A
Authority
GB
United Kingdom
Prior art keywords
spindle
lap
work
plate
driven
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
GB695332A
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.)
Holtzapffel & Co Ltd
Original Assignee
Holtzapffel & Co 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 Holtzapffel & Co Ltd filed Critical Holtzapffel & Co Ltd
Priority to GB695332A priority Critical patent/GB398529A/en
Publication of GB398529A publication Critical patent/GB398529A/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
    • B24B37/00—Lapping machines or devices; Accessories
    • B24B37/02—Lapping machines or devices; Accessories designed for working surfaces of revolution
    • B24B37/022—Lapping machines or devices; Accessories designed for working surfaces of revolution characterised by the movement of the work between two lapping plates

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)

Abstract

398,529. Lapping-machines. BUDD, J. G. H. and HOLTZAPFFEL & CO., Ltd., Sharpleshall Works, Berkley Road, St. Pancras, London. March 8, 1932, No. 6953. [Class 60.] A machine for lapping the cylindrical surface of studs, rollers, &c. comprises a rotating lap 1, a stationary lap 2, and a rotating and gyrating work - holder 28 situated between the laps. The lap 1 is mounted on a platform 3 and driven therefrom by arms 1a and pins 3a, the platform being supported by a ball bearing 7 and secured to the top of a hollow spindle 9 driven by gearing 10, 10a, 11, 11a, and the platform has a raised lip 4 surrounded by a depression 5 communicating with channels 6, whereby excess lubricant &c. flows to a tray 60 with an outlet 61. The work-pieces are placed in slightly non-radial slots in the work-holder 28, and this is driven by pins 30 on a bearing- member 27 rotatable with a pinion 26 mounted on a stud 29 secured to a plate 22. The plate 22 is mounted on a plate 16, and may be adjusted angularly about a lug 16a thereon by a slot 24 and stud 23, the plate 16 having an extension 17 rotatably mounted in a hollow member 14, which fits in the spindle 9 and is driven thereby by pins 15 and slots in the spindle. The member 14 carries a gear wheel 13 meshing with a pinion 21 on a spindle 20 in the lug 16a, and the spindle also carries a gear wheel 25 meshing with the pinion 26; the work-holder thus is caused to rotate at a speed different from that of the lap 1, and also to move in an eccentric path, the degree of eccentricity depending on the adjustment of the plate 22. The upper lap 2 is secured by clips 48 to a member 47, mounted by trunnions 56a, 56b, so as to have some freedom of movement, on a spindle 50 movable axially in a bush 50a, which is adjustable in the split end of a bracket 51 adjustably mounted on a standard 53. The lap is adjustable up and down by a nut 57 engaging a thread on the spindle 50, and by inserting a spring 59 between the nut and a ball bearing 58 at the end of the bush 50a, the pressure of the lap on the work may be adjusted.
GB695332A 1932-03-08 1932-03-08 Improvements in or relating to lapping machines Expired GB398529A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB695332A GB398529A (en) 1932-03-08 1932-03-08 Improvements in or relating to lapping machines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB695332A GB398529A (en) 1932-03-08 1932-03-08 Improvements in or relating to lapping machines

Publications (1)

Publication Number Publication Date
GB398529A true GB398529A (en) 1933-09-08

Family

ID=9823856

Family Applications (1)

Application Number Title Priority Date Filing Date
GB695332A Expired GB398529A (en) 1932-03-08 1932-03-08 Improvements in or relating to lapping machines

Country Status (1)

Country Link
GB (1) GB398529A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2365412A1 (en) * 1976-09-27 1978-04-21 Mo Vysshee Tekhn Workpiece surface lapping machine - has pockets of workpiece cage set into eccentric rotation for time determined by formula (NL 29.3.78)
CN112276785A (en) * 2020-10-16 2021-01-29 广州大学 Double-traveling-wave action bearing roller ultrasonic grinding device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2365412A1 (en) * 1976-09-27 1978-04-21 Mo Vysshee Tekhn Workpiece surface lapping machine - has pockets of workpiece cage set into eccentric rotation for time determined by formula (NL 29.3.78)
CN112276785A (en) * 2020-10-16 2021-01-29 广州大学 Double-traveling-wave action bearing roller ultrasonic grinding device
CN112276785B (en) * 2020-10-16 2022-07-05 广州大学 Double-traveling-wave action bearing roller ultrasonic grinding device

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