JPH0391120U - - Google Patents
Info
- Publication number
- JPH0391120U JPH0391120U JP14937189U JP14937189U JPH0391120U JP H0391120 U JPH0391120 U JP H0391120U JP 14937189 U JP14937189 U JP 14937189U JP 14937189 U JP14937189 U JP 14937189U JP H0391120 U JPH0391120 U JP H0391120U
- Authority
- JP
- Japan
- Prior art keywords
- processing
- hemming
- workpiece
- upper die
- base
- 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.)
- Granted
Links
- 238000009957 hemming Methods 0.000 claims description 11
- 238000010586 diagram Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Description
第１図は本考案のプレヘミング加工用曲刃の一
実施例を示すプレヘミング加工用曲刃と加工面と
の接触開始時の状態を示す要部説明図、第２図は
同じく本実施例のプレヘミング加工用曲刃による
プレヘミング加工途中の状態を示す要部説明図、
第３図は本実施例によるプレヘミング加工による
製品形状の説明図、第４図乃至第９図は従来例の
概略説明図、第１０図は従来の製品形状の説明図
である。
１……上型、２……基台、７……プレヘミング
加工用曲刃、７ａ……加工面、ｗ……被加工部材
、ｗａ……被加工部。
Fig. 1 is an explanatory view of the main parts showing an embodiment of the curved blade for pre-hemming processing of the present invention, showing the state at the start of contact between the curved blade for pre-hemming processing and the processing surface, and Fig. 2 is the same example of the present invention. An explanatory diagram of main parts showing a state in the middle of pre-hemming processing using a curved blade for pre-hemming processing,
FIG. 3 is an explanatory diagram of the product shape obtained by the pre-hemming process according to this embodiment, FIGS. 4 to 9 are schematic explanatory diagrams of the conventional example, and FIG. 10 is an explanatory diagram of the conventional product shape. 1... Upper die, 2... Base, 7... Curved blade for pre-hemming processing, 7a... Machining surface, w... Workpiece member, wa... Workpiece part.
Claims (1)
と、上型の下降に伴つて上記基台または上型に固
設した被加工部材の被加工部先端を押圧しつつ摺
接して被加工部材にプレヘミング加工を行う加工
面を有するプレヘミング加工用曲刃を具備するプ
レヘミング加工装置において、上記加工面が、加
工面と被加工部先端との接触角がプレヘミング加
工に作用する加工面全域に亘つて略一定である曲
面であることを特徴とするプレヘミング用曲刃。 A base, an upper die that is driven up and down in opposition to the base, and as the upper die is lowered, the tip of the workpiece part of the workpiece fixed to the base or the upper die is pressed and slid into contact with each other. In a pre-hemming processing device equipped with a curved blade for pre-hemming processing that has a processing surface that performs pre-hemming processing on a workpiece, the processing surface is such that the contact angle between the processing surface and the tip of the workpiece affects the pre-hemming processing. A curved blade for pre-hemming, characterized in that it has a curved surface that is substantially constant over the entire processing surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989149371U JP2539569Y2 (en) | 1989-12-27 | 1989-12-27 | Curved blade for pre-hemming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989149371U JP2539569Y2 (en) | 1989-12-27 | 1989-12-27 | Curved blade for pre-hemming |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0391120U true JPH0391120U (en) | 1991-09-17 |
| JP2539569Y2 JP2539569Y2 (en) | 1997-06-25 |
Family
ID=31695770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989149371U Expired - Lifetime JP2539569Y2 (en) | 1989-12-27 | 1989-12-27 | Curved blade for pre-hemming |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2539569Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019136715A (en) * | 2018-02-06 | 2019-08-22 | トヨタ自動車九州株式会社 | Roller hemming processing tool, roller hemming processing device and roller hemming processing method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102305727B1 (en) * | 2019-12-10 | 2021-09-27 | 주식회사 포스코 | Apparatus for press forming and press product |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5813418A (en) * | 1981-07-15 | 1983-01-25 | Daihatsu Motor Co Ltd | Method of hemming work |
-
1989
- 1989-12-27 JP JP1989149371U patent/JP2539569Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5813418A (en) * | 1981-07-15 | 1983-01-25 | Daihatsu Motor Co Ltd | Method of hemming work |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019136715A (en) * | 2018-02-06 | 2019-08-22 | トヨタ自動車九州株式会社 | Roller hemming processing tool, roller hemming processing device and roller hemming processing method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2539569Y2 (en) | 1997-06-25 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |