JPS6422438A - Segmental die - Google Patents
Segmental dieInfo
- Publication number
- JPS6422438A JPS6422438A JP18068687A JP18068687A JPS6422438A JP S6422438 A JPS6422438 A JP S6422438A JP 18068687 A JP18068687 A JP 18068687A JP 18068687 A JP18068687 A JP 18068687A JP S6422438 A JPS6422438 A JP S6422438A
- Authority
- JP
- Japan
- Prior art keywords
- segments
- hole
- gap
- generation
- pressing member
- 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
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
- Forging (AREA)
Abstract
PURPOSE:To make high accuracy processing unnecessary and to prevent the generation of chipping as well by forming a gap between segments and pressing these segments to a fastening cylindrical body by a pressing member. CONSTITUTION:A square die hole 33 and four circular holes 45 are worked on a cylindrical member 49 which is quartered along the parting line connecting the corner part 32 of the die hole 33 to the center of the circular hole 45. With this division a gap 4 between segments 39 and 40 is formed. The parted cylindrical member 49 is arranged at the hole 37 of a tightening cylindrical body 35 and a circular columnar pressing member 47 is inserted by fitting it into four circular holes 45. With the pressure fitting of this pressing member 47 each segment 39, 40 is surely fixed to the hole 37 of the fastening body 35. Due to a gap 43 being formed between the segments 39, 40 even if the parting accuracy of the segments 39, 40 is low the generation of an abnormal stress is eliminated at the angular part 32 and the generation of chipping, etc., can be prevented.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18068687A JPS6422438A (en) | 1987-07-20 | 1987-07-20 | Segmental die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18068687A JPS6422438A (en) | 1987-07-20 | 1987-07-20 | Segmental die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6422438A true JPS6422438A (en) | 1989-01-25 |
Family
ID=16087534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18068687A Pending JPS6422438A (en) | 1987-07-20 | 1987-07-20 | Segmental die |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6422438A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6361435B1 (en) | 1997-08-26 | 2002-03-26 | Yanmar Agricultural Equipment Co., Ltd. | General purpose combined harvester and thresher |
| WO2013146309A1 (en) * | 2012-03-27 | 2013-10-03 | 日本碍子株式会社 | Forging method and mold for forging |
| CN103934347A (en) * | 2014-04-17 | 2014-07-23 | 东南（福建）汽车工业有限公司 | Method for realizing chipless shearing on basis of automobile sheet metal stamping and shearing die |
-
1987
- 1987-07-20 JP JP18068687A patent/JPS6422438A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6361435B1 (en) | 1997-08-26 | 2002-03-26 | Yanmar Agricultural Equipment Co., Ltd. | General purpose combined harvester and thresher |
| WO2013146309A1 (en) * | 2012-03-27 | 2013-10-03 | 日本碍子株式会社 | Forging method and mold for forging |
| CN104245180A (en) * | 2012-03-27 | 2014-12-24 | 日本碍子株式会社 | Forging method and mold for forging |
| JPWO2013146309A1 (en) * | 2012-03-27 | 2015-12-10 | 日本碍子株式会社 | Forging method and die for forging |
| EP2832470A4 (en) * | 2012-03-27 | 2016-03-09 | Ngk Insulators Ltd | Forging method and mold for forging |
| CN103934347A (en) * | 2014-04-17 | 2014-07-23 | 东南（福建）汽车工业有限公司 | Method for realizing chipless shearing on basis of automobile sheet metal stamping and shearing die |
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