JPS56151134A - Manufacture of punching and forming tool - Google Patents
Manufacture of punching and forming toolInfo
- Publication number
- JPS56151134A JPS56151134A JP5585380A JP5585380A JPS56151134A JP S56151134 A JPS56151134 A JP S56151134A JP 5585380 A JP5585380 A JP 5585380A JP 5585380 A JP5585380 A JP 5585380A JP S56151134 A JPS56151134 A JP S56151134A
- Authority
- JP
- Japan
- Prior art keywords
- work
- intermediate product
- steel
- rod
- studding
- 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 manufacture a punching and forming tool excellent in the durability without causing the material loss, by applying the heat treatment for the purpose of hardening to the intermediate product obtained from a tool steel rod by the drawing and swaging works, and by applying the centerless grinding work to the studding part and the cutting edge part.
CONSTITUTION: A steel grade, excellent in toughness, such as Mo high speed steel, the die steel in the alloy tool steel, etc., containing ≥0.8% Mo, is formed to a rod-shape by the hot rolling work; this rod is subjected to the stretch-draw forming work with ≥20S forging ratio and a blank material 5 is obtained. This blank material 5 is fed to the cold forging machine 6, is cut into the prescribed length by the knife 12, is sent to the header die 17, subjected to a preliminary swaging work at the first punch 13 and a drawing work at the same time; hereby, the primary intermediate product A1 is obtained. This is formed by the second punch 14 and the secondary intermediate product A2 is obtained. At the primary work, the cutting edge part 1 and the studding part 3 are drawn taking about 20μm and 10μm grinding clearance, respectively and then, they are a little bulged. At the secondary work, the head 2 is formed within the standard size. The parts 1, 3 of the intermediate product A2, after subjecting the hardening work, are finished by the centerless grinding work.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5585380A JPS56151134A (en) | 1980-04-25 | 1980-04-25 | Manufacture of punching and forming tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5585380A JPS56151134A (en) | 1980-04-25 | 1980-04-25 | Manufacture of punching and forming tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS56151134A true JPS56151134A (en) | 1981-11-24 |
Family
ID=13010601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5585380A Pending JPS56151134A (en) | 1980-04-25 | 1980-04-25 | Manufacture of punching and forming tool |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56151134A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100824937B1 (en) * | 2006-08-26 | 2008-04-28 | 주식회사 세우엠아이씨 | Method for manufacturing chisel |
| KR101509589B1 (en) * | 2015-01-30 | 2015-04-07 | 박영견 | Method for upset forging of rod end |
| CN109702089A (en) * | 2019-01-17 | 2019-05-03 | 安徽骆氏升泰汽车零部件有限公司 | A kind of product shaping methods |
-
1980
- 1980-04-25 JP JP5585380A patent/JPS56151134A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100824937B1 (en) * | 2006-08-26 | 2008-04-28 | 주식회사 세우엠아이씨 | Method for manufacturing chisel |
| KR101509589B1 (en) * | 2015-01-30 | 2015-04-07 | 박영견 | Method for upset forging of rod end |
| CN109702089A (en) * | 2019-01-17 | 2019-05-03 | 安徽骆氏升泰汽车零部件有限公司 | A kind of product shaping methods |
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