GB889426A - Improvements in and relating to lapping machines - Google Patents
Improvements in and relating to lapping machinesInfo
- Publication number
- GB889426A GB889426A GB895459A GB895459A GB889426A GB 889426 A GB889426 A GB 889426A GB 895459 A GB895459 A GB 895459A GB 895459 A GB895459 A GB 895459A GB 889426 A GB889426 A GB 889426A
- Authority
- GB
- United Kingdom
- Prior art keywords
- articles
- march
- tables
- machine
- edges
- 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
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
- B24B37/04—Lapping machines or devices; Accessories designed for working plane surfaces
- B24B37/07—Lapping machines or devices; Accessories designed for working plane surfaces characterised by the movement of the work or lapping tool
- B24B37/10—Lapping machines or devices; Accessories designed for working plane surfaces characterised by the movement of the work or lapping tool for single side lapping
- B24B37/102—Lapping machines or devices; Accessories designed for working plane surfaces characterised by the movement of the work or lapping tool for single side lapping the workpieces or work carriers being able to rotate freely due to a frictional contact with the lapping tool
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
889,426. Grinding. IMPERIAL CHEMICAL INDUSTRIES Ltd. March 16, 1960 [March 16, 1959], No. 8954/59. Class 60. A machine for lapping plane surfaces comprises a horizontal table 14 which is mounted for reciprocation in its own plane and has an upper true surface 16 adapted to act as a lap for articles placed thereon. The machine may consist of one or two tables which are of soft cast-iron formed with shallow grooves to assist the distribution of an abrasing medium, such as silicon carbide in oil. The tables are mounted on balls 4 located in guides 3, 13 and are reciprocated at between 100 and 200 complete reciprocations per minute by cranks 5 driven by an electric or fluid-operated motor, the amptitude of the stroke being between 1 inch and 2 inches. The articles to be lapped, such as the discs or wedges of gate valves, are placed on the upper surfaces and relative movement between the articles and surfaces is effected by the inertia of the articles. The articles are retained on the surfaces by upstanding edges 17 which are covered with a resilient material so that as articles approach the edges they rebound therefrom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB895459A GB889426A (en) | 1959-03-16 | 1959-03-16 | Improvements in and relating to lapping machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB895459A GB889426A (en) | 1959-03-16 | 1959-03-16 | Improvements in and relating to lapping machines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB889426A true GB889426A (en) | 1962-02-14 |
Family
ID=9862528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB895459A Expired GB889426A (en) | 1959-03-16 | 1959-03-16 | Improvements in and relating to lapping machines |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB889426A (en) |
-
1959
- 1959-03-16 GB GB895459A patent/GB889426A/en not_active Expired
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