IT1248476B - Gruppo di iniezione per macchina idraulica per pressofusione, munito di dispositivo per l`eliminazione di picchi di pressione all`iniezione - Google Patents

Gruppo di iniezione per macchina idraulica per pressofusione, munito di dispositivo per l`eliminazione di picchi di pressione all`iniezione

Info

Publication number
IT1248476B
IT1248476B IT02039490A IT2039490A IT1248476B IT 1248476 B IT1248476 B IT 1248476B IT 02039490 A IT02039490 A IT 02039490A IT 2039490 A IT2039490 A IT 2039490A IT 1248476 B IT1248476 B IT 1248476B
Authority
IT
Italy
Prior art keywords
injection
piston
elimination
casting machine
pressure peaks
Prior art date
Application number
IT02039490A
Other languages
English (en)
Other versions
IT9020394A1 (it
IT9020394A0 (it
Inventor
Roberto Bragastini
Original Assignee
Int Press Dev Est
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 Int Press Dev Est filed Critical Int Press Dev Est
Priority to IT02039490A priority Critical patent/IT1248476B/it
Publication of IT9020394A0 publication Critical patent/IT9020394A0/it
Priority to EP91909466A priority patent/EP0530244B1/en
Priority to ES91909466T priority patent/ES2080948T3/es
Priority to DE69116361T priority patent/DE69116361T2/de
Priority to PCT/EP1991/000913 priority patent/WO1991017850A1/en
Priority to AT91909466T priority patent/ATE132781T1/de
Priority to CN91103431.5A priority patent/CN1056643A/zh
Publication of IT9020394A1 publication Critical patent/IT9020394A1/it
Application granted granted Critical
Publication of IT1248476B publication Critical patent/IT1248476B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/20—Accessories: Details
    • B22D17/2015—Means for forcing the molten metal into the die

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Fluid-Pressure Circuits (AREA)
IT02039490A 1990-05-22 1990-05-22 Gruppo di iniezione per macchina idraulica per pressofusione, munito di dispositivo per l`eliminazione di picchi di pressione all`iniezione IT1248476B (it)

Priority Applications (7)

Application Number Priority Date Filing Date Title
IT02039490A IT1248476B (it) 1990-05-22 1990-05-22 Gruppo di iniezione per macchina idraulica per pressofusione, munito di dispositivo per l`eliminazione di picchi di pressione all`iniezione
EP91909466A EP0530244B1 (en) 1990-05-22 1991-05-15 Injection unit for a hydraulic die-casting machine, provided with a device for the elimination of pressure peaks at injection
ES91909466T ES2080948T3 (es) 1990-05-22 1991-05-15 Unidad de inyeccion para una maquina hidraulica de colado en coquilla, provista de un dispositivo para la eliminacion de picos de presion en la inyeccion.
DE69116361T DE69116361T2 (de) 1990-05-22 1991-05-15 Giesseinheit für hydraulische druckgiessmaschine mit einer vorrichtung für entstörung von druckspitzen während der giessung
PCT/EP1991/000913 WO1991017850A1 (en) 1990-05-22 1991-05-15 Injection unit for a hydraulic die-casting machine, provided with a device for the elimination of pressure peaks at injection
AT91909466T ATE132781T1 (de) 1990-05-22 1991-05-15 Giesseinheit für hydraulische druckgiessmaschine mit einer vorrichtung für entstörung von druckspitzen während der giessung
CN91103431.5A CN1056643A (zh) 1990-05-22 1991-05-22 具有消除压射时压力峰值装置的液压压铸机的压射装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT02039490A IT1248476B (it) 1990-05-22 1990-05-22 Gruppo di iniezione per macchina idraulica per pressofusione, munito di dispositivo per l`eliminazione di picchi di pressione all`iniezione

Publications (3)

Publication Number Publication Date
IT9020394A0 IT9020394A0 (it) 1990-05-22
IT9020394A1 IT9020394A1 (it) 1991-11-22
IT1248476B true IT1248476B (it) 1995-01-19

Family

ID=11166319

Family Applications (1)

Application Number Title Priority Date Filing Date
IT02039490A IT1248476B (it) 1990-05-22 1990-05-22 Gruppo di iniezione per macchina idraulica per pressofusione, munito di dispositivo per l`eliminazione di picchi di pressione all`iniezione

Country Status (7)

Country Link
EP (1) EP0530244B1 (it)
CN (1) CN1056643A (it)
AT (1) ATE132781T1 (it)
DE (1) DE69116361T2 (it)
ES (1) ES2080948T3 (it)
IT (1) IT1248476B (it)
WO (1) WO1991017850A1 (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101774004B (zh) * 2009-01-12 2012-05-23 深圳领威科技有限公司 一种油电混合的热室压铸机压射系统
CN101774005B (zh) * 2009-01-12 2012-05-30 深圳领威科技有限公司 一种油电混合的冷室压铸机压射系统
CN101530902B (zh) * 2009-04-16 2010-12-08 宁海县德科模塑有限公司 锌合金压铸模具的稳压装置
CN102451899A (zh) * 2010-10-25 2012-05-16 上海一达机械有限公司 压铸机液压系统的泵站油泵驱动装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2021539B2 (de) * 1970-05-02 1971-04-22 Wotan Werke Gmbh Druckgiessmaschine mit multiplikator
DE3014868A1 (de) * 1979-06-18 1981-01-22 Buehler Ag Geb Druckgiessmaschine
DE3123498C1 (de) * 1981-06-13 1983-02-03 Maschinenfabrik Müller-Weingarten AG, 7987 Weingarten Vorrichtung zum beschleunigten Aufbau und zur Regulierung des Nachdruckes an Druckgiessmaschinen

Also Published As

Publication number Publication date
EP0530244A1 (en) 1993-03-10
CN1056643A (zh) 1991-12-04
ATE132781T1 (de) 1996-01-15
IT9020394A1 (it) 1991-11-22
IT9020394A0 (it) 1990-05-22
DE69116361D1 (de) 1996-02-22
WO1991017850A1 (en) 1991-11-28
DE69116361T2 (de) 1996-05-30
EP0530244B1 (en) 1996-01-10
ES2080948T3 (es) 1996-02-16

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Legal Events

Date Code Title Description
0001 Granted