US3722366A - Precision anti-whip ram type machine - Google Patents

Precision anti-whip ram type machine Download PDF

Info

Publication number
US3722366A
US3722366A US00126671A US3722366DA US3722366A US 3722366 A US3722366 A US 3722366A US 00126671 A US00126671 A US 00126671A US 3722366D A US3722366D A US 3722366DA US 3722366 A US3722366 A US 3722366A
Authority
US
United States
Prior art keywords
ram
machine
hydraulic
valve
piston
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
Application number
US00126671A
Other languages
English (en)
Inventor
R Richardson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pacific Press and Shear Corp
Original Assignee
Pacific Press and Shear Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Pacific Press and Shear Corp filed Critical Pacific Press and Shear Corp
Application granted granted Critical
Publication of US3722366A publication Critical patent/US3722366A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/16—Control arrangements for fluid-driven presses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/16—Control arrangements for fluid-driven presses
    • B30B15/18—Control arrangements for fluid-driven presses controlling the reciprocating motion of the ram
    • B30B15/20—Control arrangements for fluid-driven presses controlling the reciprocating motion of the ram controlling the speed of the ram, e.g. the speed of the approach, pressing or return strokes

Definitions

  • FIG. 6 is a view corresponding to that of FIG. 2, but depicting the circuitry corresponding to the condition of the machine depicted in FIG. 5;

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Presses (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Press Drives And Press Lines (AREA)
US00126671A 1971-03-22 1971-03-22 Precision anti-whip ram type machine Expired - Lifetime US3722366A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12667171A 1971-03-22 1971-03-22

Publications (1)

Publication Number Publication Date
US3722366A true US3722366A (en) 1973-03-27

Family

ID=22426118

Family Applications (1)

Application Number Title Priority Date Filing Date
US00126671A Expired - Lifetime US3722366A (en) 1971-03-22 1971-03-22 Precision anti-whip ram type machine

Country Status (10)

Country Link
US (1) US3722366A (enrdf_load_stackoverflow)
JP (1) JPS5439636B1 (enrdf_load_stackoverflow)
AU (1) AU458284B2 (enrdf_load_stackoverflow)
BE (1) BE780978A (enrdf_load_stackoverflow)
CA (1) CA925402A (enrdf_load_stackoverflow)
DE (1) DE2153105A1 (enrdf_load_stackoverflow)
FR (1) FR2131512A5 (enrdf_load_stackoverflow)
GB (1) GB1329401A (enrdf_load_stackoverflow)
IT (1) IT952330B (enrdf_load_stackoverflow)
NL (1) NL173611C (enrdf_load_stackoverflow)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3940930A (en) * 1975-01-20 1976-03-02 Package Machinery Company Hydraulic system for injection molding machine
US4518322A (en) * 1979-02-17 1985-05-21 Robert Bosch Gmbh Arrangement for regulating a supply flow and for limiting a supply pressure of an adjustable pump
US4524582A (en) * 1983-03-31 1985-06-25 Cincinnati Incorporated Control system for hydraulic presses
US4721028A (en) * 1983-03-31 1988-01-26 Cincinnati Incorporated Control system for hydraulic presses
US5072649A (en) * 1991-01-07 1991-12-17 Laghi Aldo A Double actuator with bypass lines for synchronized movement
WO1994007036A1 (en) * 1992-09-24 1994-03-31 Viking Engineering & Development, Incorporated Control method for hydraulic actuators
US5857497A (en) 1985-08-05 1999-01-12 Wangner Systems Corporation Woven multilayer papermaking fabric having increased stability and permeability
US20100132713A1 (en) * 2002-06-05 2010-06-03 Louis M. Gerson Co., Inc. Stiffened filter mask
CN102358055A (zh) * 2011-07-15 2012-02-22 中国科学院宁波材料技术与工程研究所 一种连续式液压成型设备及其自动控制方法
US20120067672A1 (en) * 2010-09-14 2012-03-22 Otto Nussbaum Gmbh & Co. Kg Car lift for motor vehicles
US10677017B2 (en) * 2013-12-05 2020-06-09 Schlumberger Technology Corporation System and methodology for utilizing a flow control valve
US11480165B2 (en) * 2019-09-19 2022-10-25 Oshkosh Corporation Reciprocating piston pump comprising a housing defining a first chamber and a second chamber cooperating with a first piston and a second piston to define a third chamber and a fourth chamber

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1911138A (en) * 1930-06-04 1933-05-23 Oilgear Co Drilling machine
US2192778A (en) * 1940-03-05 Drawing press
US3143924A (en) * 1962-07-17 1964-08-11 Pacific Ind Mfg Co Control means for series connected cylinder drive assemblies
US3349669A (en) * 1966-04-20 1967-10-31 Rolland A Richardson Ram attitude control system
US3422727A (en) * 1967-08-04 1969-01-21 Pacific Press & Shear Corp Two speed ram type machine

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2420052A (en) * 1945-03-03 1947-05-06 Dominion Eng Works Ltd Control apparatus for hydraulic machines
FR1156811A (fr) * 1955-04-21 1958-05-21 C K D Ceska Lipa Narodni Podni Dispositif distributeur pour presses hydrauliques
FR1370217A (fr) * 1963-07-16 1964-08-21 Pacific Ind Mfg Co Dispositifs de commande pour des vérins d'actionnement raccordés en série
FR1520085A (fr) * 1967-04-20 1968-04-05 Pacific Press & Shear Corp Frein de presse
US3464320A (en) * 1967-05-16 1969-09-02 Pacific Press & Shear Corp Decompression system for press brakes or the like

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2192778A (en) * 1940-03-05 Drawing press
US1911138A (en) * 1930-06-04 1933-05-23 Oilgear Co Drilling machine
US3143924A (en) * 1962-07-17 1964-08-11 Pacific Ind Mfg Co Control means for series connected cylinder drive assemblies
US3349669A (en) * 1966-04-20 1967-10-31 Rolland A Richardson Ram attitude control system
US3422727A (en) * 1967-08-04 1969-01-21 Pacific Press & Shear Corp Two speed ram type machine

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3940930A (en) * 1975-01-20 1976-03-02 Package Machinery Company Hydraulic system for injection molding machine
US4518322A (en) * 1979-02-17 1985-05-21 Robert Bosch Gmbh Arrangement for regulating a supply flow and for limiting a supply pressure of an adjustable pump
US4524582A (en) * 1983-03-31 1985-06-25 Cincinnati Incorporated Control system for hydraulic presses
US4721028A (en) * 1983-03-31 1988-01-26 Cincinnati Incorporated Control system for hydraulic presses
US5857497A (en) 1985-08-05 1999-01-12 Wangner Systems Corporation Woven multilayer papermaking fabric having increased stability and permeability
US5072649A (en) * 1991-01-07 1991-12-17 Laghi Aldo A Double actuator with bypass lines for synchronized movement
WO1994007036A1 (en) * 1992-09-24 1994-03-31 Viking Engineering & Development, Incorporated Control method for hydraulic actuators
US5335499A (en) * 1992-09-24 1994-08-09 Viking Engineering & Development, Incorporated Multiple hydraulic actuators with series/parallel operation
US20100132713A1 (en) * 2002-06-05 2010-06-03 Louis M. Gerson Co., Inc. Stiffened filter mask
US20120067672A1 (en) * 2010-09-14 2012-03-22 Otto Nussbaum Gmbh & Co. Kg Car lift for motor vehicles
CN102398874A (zh) * 2010-09-14 2012-04-04 奥特纳博有限责任及股份两合公司 用于机动车的升降台
CN102398874B (zh) * 2010-09-14 2015-06-03 奥特纳博有限责任及股份两合公司 用于机动车的升降台
US9637364B2 (en) * 2010-09-14 2017-05-02 Otto Nussbaum Gmbh & Co. Kg Car lift for motor vehicles
CN102358055A (zh) * 2011-07-15 2012-02-22 中国科学院宁波材料技术与工程研究所 一种连续式液压成型设备及其自动控制方法
CN102358055B (zh) * 2011-07-15 2013-11-20 中国科学院宁波材料技术与工程研究所 一种连续式液压成型设备及其自动控制方法
US10677017B2 (en) * 2013-12-05 2020-06-09 Schlumberger Technology Corporation System and methodology for utilizing a flow control valve
US11480165B2 (en) * 2019-09-19 2022-10-25 Oshkosh Corporation Reciprocating piston pump comprising a housing defining a first chamber and a second chamber cooperating with a first piston and a second piston to define a third chamber and a fourth chamber
US20230046193A1 (en) * 2019-09-19 2023-02-16 Oshkosh Corporation Reciprocating piston pump
US11815078B2 (en) * 2019-09-19 2023-11-14 Oshkosh Corporation Reciprocating piston pump comprising a housing defining a first chamber and a second chamber cooperating with a first piston and a second piston to define a third chamber and a fourth chamber
US20240052818A1 (en) * 2019-09-19 2024-02-15 Oshkosh Corporation Reciprocating piston pump
US12404847B2 (en) * 2019-09-19 2025-09-02 Oshkosh Corporation Reciprocating piston pump

Also Published As

Publication number Publication date
BE780978A (fr) 1972-07-17
FR2131512A5 (enrdf_load_stackoverflow) 1972-11-10
NL173611B (nl) 1983-09-16
DE2153105A1 (de) 1972-10-12
AU3906372A (en) 1973-10-25
NL7116258A (enrdf_load_stackoverflow) 1972-09-26
CA925402A (en) 1973-05-01
JPS5439636B1 (enrdf_load_stackoverflow) 1979-11-29
NL173611C (nl) 1984-02-16
AU458284B2 (en) 1975-02-20
IT952330B (it) 1973-07-20
GB1329401A (en) 1973-09-05

Similar Documents

Publication Publication Date Title
US3722366A (en) Precision anti-whip ram type machine
US2558071A (en) Electrohydraulic control means for machines employing plural hydraulic motors
US4022096A (en) Hydraulic presses, notably for shearing and cutting materials
US4627238A (en) Output control apparatus for a hydrostatic drive with delivery adjustment
DE2513919C2 (de) Druckkompensierter Hydraulikkreis
US2649153A (en) Hydraulic cutting machine
US3758245A (en) Hydraulic press for compression of powder
US2426411A (en) Pressure control for hydraulic presses
US3422727A (en) Two speed ram type machine
US3033170A (en) Hydraulic ram apparatus
US4170124A (en) Hydraulic control system for press brakes and the like
JPH0788841B2 (ja) プレス等の液圧動作シリンダの制御装置
US3524384A (en) Stroke control for ram type machine
US3537356A (en) Hydraulic control systems
US2931182A (en) Hydraulic shear
US2980064A (en) Control units for hydraulic rams
DE1176443B (de) Anordnung zum selbsttaetigen Regeln von Fluessig-keitsgetrieben nach dem Verdraengungsprinzip
US2790305A (en) Control valves for hydraulic presses
US2547552A (en) Automatic hydraulic-mechanical follow-up control system
US1700363A (en) Hydraulic press
US2260175A (en) Press with electrically controlled collapsible air link
DE3844405C2 (de) Ventilanordnung für ein hydraulisches System
US2906096A (en) Precision control system for press brakes or the like
EP1188709B1 (de) Hubvorrichtung
US3118338A (en) barley