GB300061A - Improvements in centreless grinding machines - Google Patents
Improvements in centreless grinding machinesInfo
- Publication number
- GB300061A GB300061A GB584728A GB584728A GB300061A GB 300061 A GB300061 A GB 300061A GB 584728 A GB584728 A GB 584728A GB 584728 A GB584728 A GB 584728A GB 300061 A GB300061 A GB 300061A
- Authority
- GB
- United Kingdom
- Prior art keywords
- work
- holder
- wheel
- support
- piece
- 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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/18—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centreless means for supporting, guiding, floating or rotating work
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
300,061. Hughes, V. A. B., (Cincinnati Grinders, Inc.). Feb. 24, 1928. Centreless grinding; guides and rests. - A centreless grinding machine is adapted for producing accurately concentric but differentlyshaped surfaces on work-pieces, such as the cylindrical body and tapered shank of a twist drill. The fluted body N, Fig. 3, of a twist drill is produced in a centreless grinding machine in the usual manner and is then gripped in a split collet 13 clamped by a hand-wheel 15 within a work-holder 10 having a cylindrical portion 11 concentric with the collet. The holder is rotatably mounted on the usual work-support M, Fig. 2, by means of a half-bearing 17 and a blade 18 having an upper inclined surface engaging the portion 11, a roller 22 being pivotally mounted on the support, and urged by a spring so as to force the portion 11 against the regulating wheel D. In operation, several work-holders are used in turn, and with a work-piece mounted therein being placed on the support M while the latter is raised by means of a hand operated pinion I engaging a rack on a controlling plunger G to which the support is secured, the roller 22 being moved to one side by a hand lever 28 to allow admission of the holder. On lowering the support the holder is rotated by contact with the regulating wheel D and a grinding wheel E, Fig. 3, which is staggered with regard to the wheel D, is fed in by its slide to cut the correct taper. The wheel E may be dressed to the required taper or alternatively its slide may be inclined. When a work-piece has been completed the holder is removed from the machine and replaced by another holder with a work-piece to be operated upon whilst the previous holder is having its work-piece renewed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB584728A GB300061A (en) | 1928-02-24 | 1928-02-24 | Improvements in centreless grinding machines |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB584728A GB300061A (en) | 1928-02-24 | 1928-02-24 | Improvements in centreless grinding machines |
Publications (1)
Publication Number | Publication Date |
---|---|
GB300061A true GB300061A (en) | 1928-11-08 |
Family
ID=9803735
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB584728A Expired GB300061A (en) | 1928-02-24 | 1928-02-24 | Improvements in centreless grinding machines |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB300061A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111673403A (en) * | 2020-05-29 | 2020-09-18 | 贵州泰和超硬工具股份有限公司 | Hard alloy twist drill rod grinding process |
CN118143310A (en) * | 2024-04-15 | 2024-06-07 | 铭宇科技(娄底)有限公司 | Clamping center device for machining rotating surface of compressor body and application method of clamping center device |
-
1928
- 1928-02-24 GB GB584728A patent/GB300061A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111673403A (en) * | 2020-05-29 | 2020-09-18 | 贵州泰和超硬工具股份有限公司 | Hard alloy twist drill rod grinding process |
CN118143310A (en) * | 2024-04-15 | 2024-06-07 | 铭宇科技(娄底)有限公司 | Clamping center device for machining rotating surface of compressor body and application method of clamping center device |
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