GB670236A - Arrangement in pilgrim rolling mills for the production of conical tubes or tubes with conical portions - Google Patents
Arrangement in pilgrim rolling mills for the production of conical tubes or tubes with conical portionsInfo
- Publication number
- GB670236A GB670236A GB660148A GB660148A GB670236A GB 670236 A GB670236 A GB 670236A GB 660148 A GB660148 A GB 660148A GB 660148 A GB660148 A GB 660148A GB 670236 A GB670236 A GB 670236A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tubes
- pawl
- rolls
- taper
- housing
- 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
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B21/00—Pilgrim-step tube-rolling, i.e. pilger mills
- B21B21/005—Pilgrim-step tube-rolling, i.e. pilger mills with reciprocating stand, e.g. driving the stand
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
- Control Of Metal Rolling (AREA)
Abstract
670,236. Rolling tubes. SEE FABRIKS AKTIEBOLAG. March 2, 1948, No. 6601/48. Class 83 (iv). A pilger mill, for the cold rolling of taper tubes, and of the type in which segmental rolls are mounted in a housing reciprocating with constant stroke, has means for automatically varying the initial position of the rolls. Roll segments 7 intergeared at 9 are mounted in a housing having rollers 3 running on ways 4 (not shown) to facilitate reciprocation by a crank and connecting-rod 6. Pinions 35 on extensions of the lower roll journals engage racks 10 slidable in the main frame under the control of pinions 11 and racks 13 carried by a crosshead 14 on a screw 15 engaging a bevel wheel nut 16 geared to a shaft carrying oppositely disposed ratchet wheels 20, 20a driven by pawls 21, 21a on levers linked to a lever 24 pivoted at 25 and swung in one direction by an adjustable stop 27 on the housing and in the other by a spring (not shown). The screw 15 has a left-hand thread and to cause a taper in the direction shown in Fig. 1 in that part of the tube between the rolls, the pawl 21 is in operation so that in each successive stroke the maximum diameter of the pass comes into action later after an increasing amount of idle stroke and rolling ceases at a correspondingly greater distance from the smaller end of the pass. By rendering the pawl 21 inoperative and the pawl 21a operative the reverse effect is obtained and the taper produced is in the opposite direction.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US761557A US2537356A (en) | 1942-11-28 | 1947-07-17 | Rolling mill for the production of conical tubes |
GB660148A GB670236A (en) | 1948-03-02 | 1948-03-02 | Arrangement in pilgrim rolling mills for the production of conical tubes or tubes with conical portions |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB660148A GB670236A (en) | 1948-03-02 | 1948-03-02 | Arrangement in pilgrim rolling mills for the production of conical tubes or tubes with conical portions |
Publications (1)
Publication Number | Publication Date |
---|---|
GB670236A true GB670236A (en) | 1952-04-16 |
Family
ID=9817460
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB660148A Expired GB670236A (en) | 1942-11-28 | 1948-03-02 | Arrangement in pilgrim rolling mills for the production of conical tubes or tubes with conical portions |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB670236A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111195653A (en) * | 2020-01-07 | 2020-05-26 | 宁波凯力精密机械有限公司 | Rolling structure and method for constant pure rolling |
CN111804734A (en) * | 2020-07-29 | 2020-10-23 | 太原科技大学 | Intelligent rolling mill for periodically rolling high-precision metal seamless pipes |
-
1948
- 1948-03-02 GB GB660148A patent/GB670236A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111195653A (en) * | 2020-01-07 | 2020-05-26 | 宁波凯力精密机械有限公司 | Rolling structure and method for constant pure rolling |
CN111804734A (en) * | 2020-07-29 | 2020-10-23 | 太原科技大学 | Intelligent rolling mill for periodically rolling high-precision metal seamless pipes |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB1103055A (en) | A method and apparatus for advancing a filter web in a travelling band filter | |
GB670236A (en) | Arrangement in pilgrim rolling mills for the production of conical tubes or tubes with conical portions | |
GB406205A (en) | Improvements in or relating to work-advancing means for pilgering mills | |
GB493428A (en) | Improvements relating to rolling mills of the pilger type | |
US2442742A (en) | Fulling mill | |
GB905027A (en) | Improvements in or relating to tube coiling machines | |
DE850642C (en) | Roller take-off for circular knitting machines | |
GB1111217A (en) | Improvements relating to thread forming apparatus | |
GB928381A (en) | Mechanism for feeding strip material | |
US2537356A (en) | Rolling mill for the production of conical tubes | |
US2019364A (en) | Driving device for twisting machines | |
US2348258A (en) | Billy roll | |
US869283A (en) | Mill for manufacture of tubes, &c. | |
SU144702A1 (en) | A device for cutting pipes at the exit of the cold rolling mill stand | |
DE803230C (en) | Device for sharpening hollow blocks for pipe rolling mills | |
FR2326992A1 (en) | Hydraulic feed unit for pilger tube rolling mill - uses concentric air and oil cylinders for higher speed | |
GB1086357A (en) | Pilger rolling mills | |
GB648919A (en) | Improvements in method of rolling out tubes in pilgrim rolling mills and equipment therefor | |
GB1215429A (en) | Recoil device for a rotary forging mill | |
GB699420A (en) | Improvements in or relating to printing machines | |
AT202837B (en) | High performance straightening machine for tubes | |
US1854198A (en) | Tension device | |
SU208644A1 (en) | Rolling mill screwdown system | |
GB747636A (en) | Machine for reducing the thickness of work pieces of rectangular cross-section | |
US1808631A (en) | Tube expander |