JPS5522469A - High temperature lubricating and extruding method of tubular body - Google Patents
High temperature lubricating and extruding method of tubular bodyInfo
- Publication number
- JPS5522469A JPS5522469A JP9559478A JP9559478A JPS5522469A JP S5522469 A JPS5522469 A JP S5522469A JP 9559478 A JP9559478 A JP 9559478A JP 9559478 A JP9559478 A JP 9559478A JP S5522469 A JPS5522469 A JP S5522469A
- Authority
- JP
- Japan
- Prior art keywords
- billet
- inside surface
- lubricant
- die
- glass
- 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.)
- Pending
Links
Landscapes
- Extrusion Of Metal (AREA)
Abstract
PURPOSE: To enable small-diameter tubes of good surface finishes free from uneven wall thicknesses to be produced by incorporating the composite structure by the 1st and 2nd lubricants having the respectively specific viscosities and thicknesses for the lubricant to be applied on the inside surface of hollow billets.
CONSTITUTION: In the case of, for example, extruding a stainless steel pipe by a hollow billet blank 4, a die 22 and die chip 23 are integrally set to one end of a container 1. A glass pad 5 is provided to the upper part of the die and the glass lubricant which is of viscosity above 90 poises at the extrusion temperature and is fine powder at room temperature is coated to a thickness of 50 to 150μ on the inside surface of the billet 4. At the time when glass melt film is deposited on the outside surface by preheating this billet, the similar film also deposits on the inside surface but the lubricant which is of viscosity below 1.0 poise at the extrusion temperature is coated by a spoon or ghe like to a thickness of 0.5 to 1.5mm on the inside surface as well. The billet 4 having been treated in this way is loaded into the container 1 and a mandrel 8 is inserted in through-form into the central hole, thence the trailing end of the billet 4 is extruded by a stem 7 via pressing platen 16.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9559478A JPS5522469A (en) | 1978-08-05 | 1978-08-05 | High temperature lubricating and extruding method of tubular body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9559478A JPS5522469A (en) | 1978-08-05 | 1978-08-05 | High temperature lubricating and extruding method of tubular body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5522469A true JPS5522469A (en) | 1980-02-18 |
Family
ID=14141888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9559478A Pending JPS5522469A (en) | 1978-08-05 | 1978-08-05 | High temperature lubricating and extruding method of tubular body |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5522469A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105642690A (en) * | 2014-11-28 | 2016-06-08 | 财团法人金属工业研究发展中心 | Method for manufacturing steel section, extrusion device and steel extrusion ingot |
| RU2602927C1 (en) * | 2015-05-22 | 2016-11-20 | Открытое акционерное общество "Российский научно-исследовательский институт трубной промышленности" (ОАО "РосНИТИ") | Lubricant washer for articles pressing and method of molding with application of washer |
-
1978
- 1978-08-05 JP JP9559478A patent/JPS5522469A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105642690A (en) * | 2014-11-28 | 2016-06-08 | 财团法人金属工业研究发展中心 | Method for manufacturing steel section, extrusion device and steel extrusion ingot |
| RU2602927C1 (en) * | 2015-05-22 | 2016-11-20 | Открытое акционерное общество "Российский научно-исследовательский институт трубной промышленности" (ОАО "РосНИТИ") | Lubricant washer for articles pressing and method of molding with application of washer |
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