CA2111671C - A method of selecting a preload oil pressure value for a die cushion pin pressure equalizing system of a press machine - Google Patents
A method of selecting a preload oil pressure value for a die cushion pin pressure equalizing system of a press machine Download PDFInfo
- Publication number
- CA2111671C CA2111671C CA002111671A CA2111671A CA2111671C CA 2111671 C CA2111671 C CA 2111671C CA 002111671 A CA002111671 A CA 002111671A CA 2111671 A CA2111671 A CA 2111671A CA 2111671 C CA2111671 C CA 2111671C
- Authority
- CA
- Canada
- Prior art keywords
- die cushion
- pressure equalizing
- die
- pressure
- press machine
- 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.)
- Expired - Lifetime
Links
- 230000036316 preload Effects 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims description 10
- 239000003921 oil Substances 0.000 description 54
- 238000010521 absorption reaction Methods 0.000 description 10
- 238000003825 pressing Methods 0.000 description 4
- 239000010720 hydraulic oil Substances 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D24/00—Special deep-drawing arrangements in, or in connection with, presses
- B21D24/02—Die-cushions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/02—Dies; Inserts therefor; Mounting thereof; Moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/06—Platens or press rams
- B30B15/065—Press rams
- B30B15/067—Press rams with means for equalizing the pressure exerted by a plurality of press rams
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Presses And Accessory Devices Thereof (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP144924/1991 | 1991-06-17 | ||
| JP14492491A JP3255174B2 (ja) | 1991-06-17 | 1991-06-17 | ダイクッションピン均圧化装置のプランジャー底付け防止方法 |
| PCT/JP1992/000775 WO1992022391A1 (fr) | 1991-06-17 | 1992-06-17 | Procede utilise dans un systeme d'egalisation de la pression s'exerçant sur les broches de serre-flans, pour eviter que les pistons n'aillent en butee |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2111671A1 CA2111671A1 (en) | 1992-12-23 |
| CA2111671C true CA2111671C (en) | 2002-09-17 |
Family
ID=15373388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002111671A Expired - Lifetime CA2111671C (en) | 1991-06-17 | 1992-06-17 | A method of selecting a preload oil pressure value for a die cushion pin pressure equalizing system of a press machine |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0592670B1 (de) |
| JP (1) | JP3255174B2 (de) |
| CA (1) | CA2111671C (de) |
| DE (1) | DE69229863T2 (de) |
| WO (1) | WO1992022391A1 (de) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0239622Y2 (de) * | 1985-06-20 | 1990-10-24 | ||
| JPS6220711U (de) * | 1985-07-19 | 1987-02-07 |
-
1991
- 1991-06-17 JP JP14492491A patent/JP3255174B2/ja not_active Expired - Lifetime
-
1992
- 1992-06-17 CA CA002111671A patent/CA2111671C/en not_active Expired - Lifetime
- 1992-06-17 WO PCT/JP1992/000775 patent/WO1992022391A1/ja not_active Ceased
- 1992-06-17 EP EP92912641A patent/EP0592670B1/de not_active Expired - Lifetime
- 1992-06-17 DE DE69229863T patent/DE69229863T2/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| WO1992022391A1 (fr) | 1992-12-23 |
| EP0592670A1 (de) | 1994-04-20 |
| CA2111671A1 (en) | 1992-12-23 |
| EP0592670B1 (de) | 1999-08-25 |
| JP3255174B2 (ja) | 2002-02-12 |
| DE69229863T2 (de) | 2000-04-27 |
| DE69229863D1 (de) | 1999-09-30 |
| EP0592670A4 (de) | 1995-02-15 |
| JPH04371325A (ja) | 1992-12-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5735201A (en) | Apparatus including mutually communicating hydraulic cylinders for even distribution of blank-holding force on pressing machine | |
| EP0531140B1 (de) | Hydraulische Polsteranordnung für eine Presse mit verstellbarer hydraulischer Energieversorgung zum Einstellen des Anfangdruckes der Zylinder der Druckbolzen | |
| US5477723A (en) | Device for regulating the blank-holding force in a press | |
| US6250216B1 (en) | Press deflection controller and method of controlling press deflection | |
| CA2124173C (en) | Method and apparatus for adjusting pressure of cushioning pneumatic cylinder pressure on press, when cushion platen is at its setup position | |
| US5660074A (en) | Method of selecting a preload oil pressure valve for a die cushion pin pressure equalizing system of a press machine | |
| CA2111671C (en) | A method of selecting a preload oil pressure value for a die cushion pin pressure equalizing system of a press machine | |
| JP2856107B2 (ja) | プレス加工方法およびプレス加工装置 | |
| KR19990035990A (ko) | 프레스내 블랭크-홀더 작용력-조절 시스템 | |
| JP2727954B2 (ja) | プレス装置 | |
| EP0384340B1 (de) | Vorrichtung zum Anritzen kornorientierter Elektrostahlbänder | |
| JP2871225B2 (ja) | プレス機械 | |
| JPS6334753Y2 (de) | ||
| JP2519665B2 (ja) | 複動液圧シリンダ | |
| JPH0239622Y2 (de) | ||
| CA2236343A1 (en) | Resistance welding process and device | |
| EP1138406B1 (de) | Eine Presse mit einem hydraulischen Ziehkissen und mit einem System zur Steuerung der Presskraft und der Position des Blechhalters des Ziehkissens | |
| JP2819889B2 (ja) | プレス機械 | |
| JP3062665B2 (ja) | ダイクッションピン均圧化装置の油量算出方法および同装置のピーク油圧算出方法および同装置の均圧化油圧シリンダ寿命計算方法 | |
| CN119747442B (zh) | 一种履带整形装置 | |
| JPH0324245Y2 (de) | ||
| JPH0527215Y2 (de) | ||
| JPH08281337A (ja) | プレスブレーキにおける振動成形方法及びプレスブレーキ | |
| JPS6239900Y2 (de) | ||
| JP2001252800A (ja) | 油圧プレスの停止制御方法およびその装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry |