JPH0287597U - - Google Patents
Info
- Publication number
- JPH0287597U JPH0287597U JP16779088U JP16779088U JPH0287597U JP H0287597 U JPH0287597 U JP H0287597U JP 16779088 U JP16779088 U JP 16779088U JP 16779088 U JP16779088 U JP 16779088U JP H0287597 U JPH0287597 U JP H0287597U
- Authority
- JP
- Japan
- Prior art keywords
- dictation
- slide
- lower mold
- acceleration
- pin
- 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
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 230000001133 acceleration Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Presses And Accessory Devices Thereof (AREA)
Description
図面はこの考案の一実施例を示し、第1図は回
路図、第2図は作用説明図である。
1はプレス本体、1aはボルスタ、2は下型、
2aは下型クツシヨンパツド、3はダイクツシヨ
ンピン、4はダイクツシヨン、5はダイクツシヨ
ンパツド、6はクツシヨンシリンダ、8はロツキ
ング装置、13は可変容量ポンプ、20はスライ
ド、21は上型。
The drawings show an embodiment of this invention, with FIG. 1 being a circuit diagram and FIG. 2 being an operational diagram. 1 is the press body, 1a is the bolster, 2 is the lower die,
2a is a lower cushion pad, 3 is a dictation pin, 4 is a dictation, 5 is a dictation pad, 6 is a cushion cylinder, 8 is a locking device, 13 is a variable displacement pump, 20 is a slide, 21 is an upper mold .
Claims (1)
た下型2の近傍に設けられた下型クツシヨンパツ
ド2aをダイクツシヨンピン3を介してダイクツ
シヨン4により弾性支持したものにおいて、上記
ダイクツシヨン4のクツシヨンシリンダ6下部に
設けられたロツキング装置8の上部室81に、ス
ライド20とともに下降する上型21が下型クツ
シヨンパツド2aと衝突するピンタツチ位置での
スライド速度より算出した流量を吐出する可変容
量ポンプ13を接続してなるダイクツシヨンの予
備下降装置。 (2) 上記ピンタツチ位置でのスライド加速度a
よりダイクツシヨン能力を算出し、得られた値か
ら、NC制御されるサーボ弁22を制御すること
により、ダイクツシヨンパツド5の加速度を制御
してなる請求項1記載の予備下降装置。[Claims for Utility Model Registration] (1) A lower mold cushion pad 2a provided in the vicinity of the lower mold 2 installed on the bolster 1a of the press body 1 is elastically supported by a dictation 4 via a dictation pin 3. Calculated from the slide speed at the pin touch position where the upper mold 21, which descends together with the slide 20, collides with the lower mold cushion pad 2a in the upper chamber 81 of the locking device 8 provided at the lower part of the cushion cylinder 6 of the dictation 4. A pre-lowering device for a dictation, which is connected to a variable displacement pump 13 that discharges a flow rate of 100%. (2) Slide acceleration a at the above pin touch position
2. The pre-lowering device according to claim 1, wherein the acceleration of the dictation pad 5 is controlled by calculating the dictation capacity and controlling an NC-controlled servo valve 22 from the obtained value.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988167790U JPH0744399Y2 (en) | 1988-12-27 | 1988-12-27 | Die cushion preliminary lowering device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988167790U JPH0744399Y2 (en) | 1988-12-27 | 1988-12-27 | Die cushion preliminary lowering device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0287597U true JPH0287597U (en) | 1990-07-11 |
JPH0744399Y2 JPH0744399Y2 (en) | 1995-10-11 |
Family
ID=31456401
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1988167790U Expired - Fee Related JPH0744399Y2 (en) | 1988-12-27 | 1988-12-27 | Die cushion preliminary lowering device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0744399Y2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04258400A (en) * | 1990-10-12 | 1992-09-14 | Teledyne Ind Inc | Press assembly and its operation method |
WO2009035043A1 (en) * | 2007-09-11 | 2009-03-19 | Ihi Corporation | Control method for die cushion device and die cushion |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51734A (en) * | 1974-06-25 | 1976-01-06 | Hitachi Shipbuilding Eng Co | SUIMONPIKYUKOKASOKUDOSEIGYOSOCHI |
JPS5354481U (en) * | 1976-10-13 | 1978-05-10 | ||
JPS6363536A (en) * | 1986-09-02 | 1988-03-19 | Ishikawajima Harima Heavy Ind Co Ltd | Die cushion device for press machine |
-
1988
- 1988-12-27 JP JP1988167790U patent/JPH0744399Y2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51734A (en) * | 1974-06-25 | 1976-01-06 | Hitachi Shipbuilding Eng Co | SUIMONPIKYUKOKASOKUDOSEIGYOSOCHI |
JPS5354481U (en) * | 1976-10-13 | 1978-05-10 | ||
JPS6363536A (en) * | 1986-09-02 | 1988-03-19 | Ishikawajima Harima Heavy Ind Co Ltd | Die cushion device for press machine |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04258400A (en) * | 1990-10-12 | 1992-09-14 | Teledyne Ind Inc | Press assembly and its operation method |
WO2009035043A1 (en) * | 2007-09-11 | 2009-03-19 | Ihi Corporation | Control method for die cushion device and die cushion |
JP2009066610A (en) * | 2007-09-11 | 2009-04-02 | Ihi Corp | Die cushion device, and die cushion control method |
Also Published As
Publication number | Publication date |
---|---|
JPH0744399Y2 (en) | 1995-10-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |