GB296318A - Improvements in and relating to drawing benches - Google Patents
Improvements in and relating to drawing benchesInfo
- Publication number
- GB296318A GB296318A GB553627A GB553627A GB296318A GB 296318 A GB296318 A GB 296318A GB 553627 A GB553627 A GB 553627A GB 553627 A GB553627 A GB 553627A GB 296318 A GB296318 A GB 296318A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mandrel
- rollers
- guide rollers
- guide
- rack
- 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
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes
- B21C1/34—Guiding or supporting the material or mandrels
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Extraction Processes (AREA)
Abstract
296,318. Martin, W. Feb. 28, 1927. Cupping.-The mandrel c and plunger d of a machine for drawing down a metal tube in a series of dies, are guided by a number of guides which allow the passage of the driving rack f. Guide rollers b mounted in pivoted members a are automatically disengaged on the advance of the rack, a recess e being provided in the plunger to accommodate the rollers during the turning movement of the members a. The guide rollers may be located in more than one radial plane. In a modification, the rack may be shaped to pass clear of the guide rollers. any of the guide rollers may be mounted so as to be moved radially of the mandrel. In a further modification two or more of the under rollers l, Fig. 8, are supported by hydraulic cylinders k so that these rollers may be lowered to remove a mandrel. Certain of the under rollers may be carried by a frame which mav be moved to or from the mandrel by toggle-linkage operated by a single hydraulic cylinder. In a further modification, the guide rollers may be carried by frames m, Fig. 12, pivoted on an axis parallel to the mandrel, and moved thereabout by a hydraulic cylinder which simultaneously actuates a detent o. The members carrying the guide rollers may extend on either side of the mandrel, to guide the same laterally.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB553627A GB296318A (en) | 1927-02-28 | 1927-02-28 | Improvements in and relating to drawing benches |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB553627A GB296318A (en) | 1927-02-28 | 1927-02-28 | Improvements in and relating to drawing benches |
Publications (1)
Publication Number | Publication Date |
---|---|
GB296318A true GB296318A (en) | 1928-08-28 |
Family
ID=9798030
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB553627A Expired GB296318A (en) | 1927-02-28 | 1927-02-28 | Improvements in and relating to drawing benches |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB296318A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1156040B (en) * | 1961-01-18 | 1963-10-24 | Sundwiger Eisen Maschinen | Device on drawbars, with which functions of the pulling carriage can be triggered from the position of the puller |
-
1927
- 1927-02-28 GB GB553627A patent/GB296318A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1156040B (en) * | 1961-01-18 | 1963-10-24 | Sundwiger Eisen Maschinen | Device on drawbars, with which functions of the pulling carriage can be triggered from the position of the puller |
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