SU532410A1 - Way of helical firmware - Google Patents
Way of helical firmwareInfo
- Publication number
- SU532410A1 SU532410A1 SU2153806A SU2153806A SU532410A1 SU 532410 A1 SU532410 A1 SU 532410A1 SU 2153806 A SU2153806 A SU 2153806A SU 2153806 A SU2153806 A SU 2153806A SU 532410 A1 SU532410 A1 SU 532410A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- rolls
- helical
- firmware
- way
- pair
- Prior art date
Links
Landscapes
- Metal Rolling (AREA)
Description
(54) СПОСОБ ПОПЕРЕЧНО-ВИНТОВОЙ ПРОШИВКИ(54) METHOD OF TRANSVERSE-SCREW FIRMWARE
зуют одну пару, а 4 и 5 - другую пару. Оси шеек всех валков смещены относитель-, но осей валков на величину (0,015-0,040) ;от диаметра заготовки.They make one pair, and 4 and 5 another pair. The axes of the necks of all rolls are shifted relative to, but the axes of the rolls by the amount (0.015-0.040) of the diameter of the workpiece.
Способ осуществл етс следующим образом .The method is carried out as follows.
При посто нном числе оборотов валков, выполненных указанным образом, их повер ности совершают колебательные движени . Путем вращени одновременно поверхности одной пары валков, противоположно расположенных , свод т, а другой - развод т. При вращении , валков за один полуоборот, дефорЬ мацию нагретой заготовки на оправке осуществл ют при обжатии перед носком оправки; измен ющемс , с О до 17%, в результатеAt a constant number of revolutions of the rolls made in this way, their turning surfaces make oscillatory movements. By rotating simultaneously the surfaces of one pair of rolls, oppositely arranged, are reduced, and the other is diluted. During rotation, rolls in one half turn, the heated billet on the mandrel is deformed when crimped before the toe of the mandrel; variable, from 0 to 17%, as a result
чего снижаетс вь1ход труб 2 сорта по на-: ружным и внутренним пленам.which reduces the flow of pipes of the 2nd grade for external and internal captivity.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU2153806A SU532410A1 (en) | 1975-07-10 | 1975-07-10 | Way of helical firmware |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU2153806A SU532410A1 (en) | 1975-07-10 | 1975-07-10 | Way of helical firmware |
Publications (1)
Publication Number | Publication Date |
---|---|
SU532410A1 true SU532410A1 (en) | 1976-10-25 |
Family
ID=20625815
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU2153806A SU532410A1 (en) | 1975-07-10 | 1975-07-10 | Way of helical firmware |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU532410A1 (en) |
-
1975
- 1975-07-10 SU SU2153806A patent/SU532410A1/en active
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