JPS6471517A - Wire drawing method for steel wire rod excellent in lubricity - Google Patents
Wire drawing method for steel wire rod excellent in lubricityInfo
- Publication number
- JPS6471517A JPS6471517A JP22535487A JP22535487A JPS6471517A JP S6471517 A JPS6471517 A JP S6471517A JP 22535487 A JP22535487 A JP 22535487A JP 22535487 A JP22535487 A JP 22535487A JP S6471517 A JPS6471517 A JP S6471517A
- Authority
- JP
- Japan
- Prior art keywords
- die
- steel wire
- wire rod
- wire drawing
- lubricity
- 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
Abstract
PURPOSE:To increase the feeding amount of lubricant and to drastically improve the workability of wire drawing and service life time of a die by arranging a roller die having a projection part on the way to an expansion line and by giving a continuous recess part on a steel wire rod. CONSTITUTION:After removing a second scale of the hot rolled steel wire rod, the wire drawing is performed after subjecting a surface preparation. At this time, the roller die is disposed on the way to the wire drawing line, the projection part having 0.02-0.2mm in height on the periphery surface of the die is provided and the recess part is given continuously on the steel wire rod by this die. At that time, when the depth of the hollow part is <=0.02mm, its effect is rather small, and when the hollow part is too deep, it remains as a surface defect, so its upper limit is regulated to 0.2mm. As a result, because the feeding amount of the lubricant is increased, the lubricity is improved, the expansion workability is significantly improved and the service life of the die is extended by 10%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22535487A JPS6471517A (en) | 1987-09-10 | 1987-09-10 | Wire drawing method for steel wire rod excellent in lubricity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22535487A JPS6471517A (en) | 1987-09-10 | 1987-09-10 | Wire drawing method for steel wire rod excellent in lubricity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6471517A true JPS6471517A (en) | 1989-03-16 |
Family
ID=16828027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22535487A Pending JPS6471517A (en) | 1987-09-10 | 1987-09-10 | Wire drawing method for steel wire rod excellent in lubricity |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6471517A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06106229A (en) * | 1992-06-24 | 1994-04-19 | Gkn Automot Ag | Method of pulling out strand |
| KR100971527B1 (en) * | 2008-03-27 | 2010-07-21 | 유태승 | a method for manufacture the connector with refrigerants rotation pipe |
-
1987
- 1987-09-10 JP JP22535487A patent/JPS6471517A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06106229A (en) * | 1992-06-24 | 1994-04-19 | Gkn Automot Ag | Method of pulling out strand |
| KR100971527B1 (en) * | 2008-03-27 | 2010-07-21 | 유태승 | a method for manufacture the connector with refrigerants rotation pipe |
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