SU1447468A1 - Method of drawing tubes - Google Patents
Method of drawing tubes Download PDFInfo
- Publication number
- SU1447468A1 SU1447468A1 SU874255708A SU4255708A SU1447468A1 SU 1447468 A1 SU1447468 A1 SU 1447468A1 SU 874255708 A SU874255708 A SU 874255708A SU 4255708 A SU4255708 A SU 4255708A SU 1447468 A1 SU1447468 A1 SU 1447468A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- pipe
- wall thickness
- diameter equal
- mandrel
- die
- Prior art date
Links
Landscapes
- Metal Extraction Processes (AREA)
Abstract
Изобретение относитс к металлургическому производству, а именно изготовлению металлических труб волочением с использованием самоустанавливающейс оправки. Целью изобретени вл етс снижение обрывности труб из цветных металлов с отношением толщины стенки t к наружному диаметру, равным 0,03-0,06, и высотой зубьев (О,05-0,35)t. Деформацию осуществл ют обжатием по наружному диаметру, равным 15-18%, и по толщине стенки до 10%. Трубу-заготовку 1 подают к волоке 2 и самоустанавливающейс оправке 3, имеющей элемент 4 с винтовыми канавками. Вращение элемента 4 оправки с винтовыми канавками и формирование зубчатого винтового л на внутренней поверхности трубы осуществл етс прот гиванием материала трубы через кольцевую щель между обжимным 5 и калибрующим 6 участками волоки и элементом 4 с винтовыми канавками . 3 ил. а (ЛThe invention relates to metallurgical production, namely the manufacture of metal pipes by drawing using a self-aligning mandrel. The aim of the invention is to reduce the breakage of non-ferrous metal pipes with a ratio of wall thickness t to outer diameter equal to 0.03-0.06, and the height of the teeth (0.05-0.35) t. The deformation is carried out by crimping on the outer diameter equal to 15-18%, and on the wall thickness up to 10%. The preform pipe 1 is fed to a die 2 and a self-aligning mandrel 3 having an element 4 with helical grooves. The rotation of the mandrel element 4 with screw grooves and the formation of a toothed screw l on the inner surface of the pipe is carried out by pulling the pipe material through the annular gap between crimp 5 and the calibrating 6 portions of the die and the element 4 with screw grooves. 3 il. a (L
Description
Фиг. 2FIG. 2
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU874255708A SU1447468A1 (en) | 1987-06-03 | 1987-06-03 | Method of drawing tubes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU874255708A SU1447468A1 (en) | 1987-06-03 | 1987-06-03 | Method of drawing tubes |
Publications (1)
Publication Number | Publication Date |
---|---|
SU1447468A1 true SU1447468A1 (en) | 1988-12-30 |
Family
ID=21308397
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU874255708A SU1447468A1 (en) | 1987-06-03 | 1987-06-03 | Method of drawing tubes |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU1447468A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019009847A3 (en) * | 2017-01-18 | 2019-03-28 | Net Boru Sanayi Ve Dis Ticaret Kollektif Sirketi Bora Saman Ve Ortagi | A mandrel adjustment assembly for a multi-wall pipe production made of coated metal sheet |
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1987
- 1987-06-03 SU SU874255708A patent/SU1447468A1/en active
Non-Patent Citations (1)
Title |
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За вка FR № 2354155, кп. В 21 С 1/24, 1978. * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019009847A3 (en) * | 2017-01-18 | 2019-03-28 | Net Boru Sanayi Ve Dis Ticaret Kollektif Sirketi Bora Saman Ve Ortagi | A mandrel adjustment assembly for a multi-wall pipe production made of coated metal sheet |
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