IT1213498B - Roll for tube or rod working machine - Google Patents
Roll for tube or rod working machineInfo
- Publication number
- IT1213498B IT1213498B IT8621952A IT2195286A IT1213498B IT 1213498 B IT1213498 B IT 1213498B IT 8621952 A IT8621952 A IT 8621952A IT 2195286 A IT2195286 A IT 2195286A IT 1213498 B IT1213498 B IT 1213498B
- Authority
- IT
- Italy
- Prior art keywords
- sleeve
- roll
- tube
- shaft
- working machine
- Prior art date
Links
- 239000002826 coolant Substances 0.000 abstract 1
Abstract
A roll for a tube or rod working machine has a stepped shaft on which an elastic sleeve and two screwed end support rings are mounted. The central portion of the shaft is relieved, and its ends locate the support rings, which are frustoconical in shape. Sleeve has matching conical ends, and is held firmly in position when rings are screwed home. A longitudinal hole and radial holes enable a cooling medium to be fed to the annular gap and the working surface of the roll. An alternative arrangement uses an axially compressed resilient bush between the sleeve and the shaft. Preferably, the length of this bush is 25-55% of the sleeve length, and 1.12-1.49 times the sleeve thickness.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8621952A IT1213498B (en) | 1986-10-09 | 1986-10-09 | Roll for tube or rod working machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8621952A IT1213498B (en) | 1986-10-09 | 1986-10-09 | Roll for tube or rod working machine |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8621952A0 IT8621952A0 (en) | 1986-10-09 |
IT1213498B true IT1213498B (en) | 1989-12-20 |
Family
ID=11189317
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT8621952A IT1213498B (en) | 1986-10-09 | 1986-10-09 | Roll for tube or rod working machine |
Country Status (1)
Country | Link |
---|---|
IT (1) | IT1213498B (en) |
-
1986
- 1986-10-09 IT IT8621952A patent/IT1213498B/en active
Also Published As
Publication number | Publication date |
---|---|
IT8621952A0 (en) | 1986-10-09 |
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