JPH0454510U - - Google Patents
Info
- Publication number
- JPH0454510U JPH0454510U JP9504990U JP9504990U JPH0454510U JP H0454510 U JPH0454510 U JP H0454510U JP 9504990 U JP9504990 U JP 9504990U JP 9504990 U JP9504990 U JP 9504990U JP H0454510 U JPH0454510 U JP H0454510U
- Authority
- JP
- Japan
- Prior art keywords
- upper limit
- valve device
- limit valve
- bending machine
- lower table
- 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
- 238000005452 bending Methods 0.000 claims 2
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Bending Of Plates, Rods, And Pipes (AREA)
Description
第１図は、この考案に係る上下バルブ装置の一
実施例の断面図、第２図は従来のプレスブレーキ
における下部テーブルの上昇限を検出する上限装
置の説明図である。
１……上限バルブ装置、３……バルブボデイ、
５……スプール。
FIG. 1 is a sectional view of an embodiment of the upper and lower valve device according to the present invention, and FIG. 2 is an explanatory diagram of an upper limit device for detecting the upper limit of the rise of the lower table in a conventional press brake. 1... Upper limit valve device, 3... Valve body,
5...Spool.
Claims (1)
ブルの上部に設けたダイとを、前記下部テーブル
の上下動により協働せしめてワークに所望の折曲
げ加工を行なう折曲げ機で下部テーブルの上昇限
を検出する上限バルブ装置にして、この上限バル
ブ装置を構成するバルブボデイとスプールが熱膨
張係数の小さな材質からなつていることを特徴と
する折曲げ機における上限バルブ装置。 A bending machine is used in which a punch provided at the bottom of the upper table and a die provided at the top of the lower table work together by vertical movement of the lower table to bend the workpiece in a desired manner. An upper limit valve device for a bending machine, wherein the upper limit valve device is a detection upper limit valve device, and a valve body and a spool constituting the upper limit valve device are made of a material with a small coefficient of thermal expansion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9504990U JPH0454510U (en) | 1990-09-12 | 1990-09-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9504990U JPH0454510U (en) | 1990-09-12 | 1990-09-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0454510U true JPH0454510U (en) | 1992-05-11 |
Family
ID=31833460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9504990U Pending JPH0454510U (en) | 1990-09-12 | 1990-09-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0454510U (en) |
-
1990
- 1990-09-12 JP JP9504990U patent/JPH0454510U/ja active Pending