GB685481A - Improvements in or relating to the manufacture of thin-walled metal tubes - Google Patents
Improvements in or relating to the manufacture of thin-walled metal tubesInfo
- Publication number
- GB685481A GB685481A GB1436450A GB1436450A GB685481A GB 685481 A GB685481 A GB 685481A GB 1436450 A GB1436450 A GB 1436450A GB 1436450 A GB1436450 A GB 1436450A GB 685481 A GB685481 A GB 685481A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mandrel
- stock
- tube
- tubes
- thin
- 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
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B1/00—Methods for turning or working essentially requiring the use of turning-machines; Use of auxiliary equipment in connection with such methods
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
685,481. Making seamless tubes. TEDDINGTON CONTROLS, Ltd. June 7, 1951 [June 8, 1950], No. 14364/50. Classes 83 (ii) and 83 (iv). A method of manufacturing thin-walled metal tubes of stainless steel or other metals difficult to draw comprises boring a bar stock to the required internal diameter, filling the bore with a molten low-melting point metal or alloy which expands on solidification, utilizing the solid core as a mandrel to support the stock while reducing the latter to the required wall thickness by turning or grinding operations and subsequently melting out the core. The mandrel, which may be of type metal or similar antimonial alloy, may be centred at each end for supporting in a lathe or grinder or may be longer than the tube to provide an end portion, for engagement with a chuck. One, or both, ends of the tube stock may be provided with internal grooves or serrations into which the molten metal flows when casting the mandrel and so provides an interlock between the mandrel and the stock. Tubes having a wall thickness of a few thousandths of an inch and having successive portions of different internal or external diameters may be made by this method, e.g. a thin walled tube with thicker end portions for facilitating the connection to other members. Several tube lengths may be produced from a single piece of stock by cutting up the finished tube and mandrel and then removing the mandrel portions from the tubes.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1436450A GB685481A (en) | 1950-06-08 | 1950-06-08 | Improvements in or relating to the manufacture of thin-walled metal tubes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1436450A GB685481A (en) | 1950-06-08 | 1950-06-08 | Improvements in or relating to the manufacture of thin-walled metal tubes |
Publications (1)
Publication Number | Publication Date |
---|---|
GB685481A true GB685481A (en) | 1953-01-07 |
Family
ID=10039867
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1436450A Expired GB685481A (en) | 1950-06-08 | 1950-06-08 | Improvements in or relating to the manufacture of thin-walled metal tubes |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB685481A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102581739A (en) * | 2012-03-02 | 2012-07-18 | 浙江大学宁波理工学院 | Surface polishing method and surface polishing device of thin-wall expanding pipe |
CN102581740A (en) * | 2012-03-02 | 2012-07-18 | 浙江大学宁波理工学院 | Surface polishing method and surface polishing device of thin-wall long and narrow ceramic tube |
CN103056620A (en) * | 2012-12-20 | 2013-04-24 | 贵州凯星液力传动机械有限公司 | Elongated pipe part processing method |
CN103358090A (en) * | 2013-07-25 | 2013-10-23 | 遵义市节庆机电有限责任公司 | Processing technic of bar-shaped thin-wall part |
CN104368792A (en) * | 2013-08-09 | 2015-02-25 | 苹果公司 | Methods for manufacturing thin walled enclosures and related system and apparatus |
-
1950
- 1950-06-08 GB GB1436450A patent/GB685481A/en not_active Expired
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102581739A (en) * | 2012-03-02 | 2012-07-18 | 浙江大学宁波理工学院 | Surface polishing method and surface polishing device of thin-wall expanding pipe |
CN102581740A (en) * | 2012-03-02 | 2012-07-18 | 浙江大学宁波理工学院 | Surface polishing method and surface polishing device of thin-wall long and narrow ceramic tube |
CN102581739B (en) * | 2012-03-02 | 2013-09-18 | 浙江大学宁波理工学院 | Surface polishing method and surface polishing device of thin-wall expanding pipe |
CN102581740B (en) * | 2012-03-02 | 2013-10-16 | 浙江大学宁波理工学院 | Surface polishing method and surface polishing device of thin-wall long and narrow ceramic tube |
CN103056620A (en) * | 2012-12-20 | 2013-04-24 | 贵州凯星液力传动机械有限公司 | Elongated pipe part processing method |
CN103056620B (en) * | 2012-12-20 | 2015-04-15 | 贵州凯星液力传动机械有限公司 | Elongated pipe part processing method |
CN103358090A (en) * | 2013-07-25 | 2013-10-23 | 遵义市节庆机电有限责任公司 | Processing technic of bar-shaped thin-wall part |
CN104368792A (en) * | 2013-08-09 | 2015-02-25 | 苹果公司 | Methods for manufacturing thin walled enclosures and related system and apparatus |
US9610635B2 (en) | 2013-08-09 | 2017-04-04 | Apple Inc. | Methods for manufacturing thin walled enclosures and related system and apparatus |
CN104368792B (en) * | 2013-08-09 | 2018-01-23 | 苹果公司 | For manufacturing the method and related system and equipment of thin wall-type shell |
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