GB1299028A - Improvements in and relating to pressure die lasting apparatus - Google Patents

Improvements in and relating to pressure die lasting apparatus

Info

Publication number
GB1299028A
GB1299028A GB3334471A GB3334471A GB1299028A GB 1299028 A GB1299028 A GB 1299028A GB 3334471 A GB3334471 A GB 3334471A GB 3334471 A GB3334471 A GB 3334471A GB 1299028 A GB1299028 A GB 1299028A
Authority
GB
United Kingdom
Prior art keywords
cavity
metal
gate
constriction
casting
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
Application number
GB3334471A
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.)
Nippon Light Metal Co Ltd
Original Assignee
Nippon Light Metal Co Ltd
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 Nippon Light Metal Co Ltd filed Critical Nippon Light Metal Co Ltd
Publication of GB1299028A publication Critical patent/GB1299028A/en
Expired legal-status Critical Current

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
    • B22D17/14—Machines with evacuated die cavity
    • 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
    • B22D17/08—Cold chamber machines, i.e. with unheated press chamber into which molten metal is ladled
    • B22D17/10—Cold chamber machines, i.e. with unheated press chamber into which molten metal is ladled with horizontal press motion

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Casting Devices For Molds (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)

Abstract

1299028 Casting-machines NIPPON LIGHT METAL CO Ltd 15 July 1971 [15 July 1970] 33344/70 Heading B3F A pressure die casting apparatus has means 12 for introducing oxygen into the injection cylinder 9 and die cavity 5 and a gate between the injection cylinder and die cavity said gate comprising a constriction 6, a part 8 having a diverging wall structure extending towards the cavity 5, and a part 7 having a wall structure converging towards the constriction 6. This constriction produces a violent turbulent flow at the gate on injection of the molten metal into the cavity 5 and thus ensures that the metal and oxygen in the cavity become well mixed. The oxygen reacts with the metal to produce a casting having fine particles of metal oxide dispersed therein.
GB3334471A 1970-07-15 1971-07-15 Improvements in and relating to pressure die lasting apparatus Expired GB1299028A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7010970U JPS5125530Y1 (en) 1970-07-15 1970-07-15

Publications (1)

Publication Number Publication Date
GB1299028A true GB1299028A (en) 1972-12-06

Family

ID=13422030

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3334471A Expired GB1299028A (en) 1970-07-15 1971-07-15 Improvements in and relating to pressure die lasting apparatus

Country Status (8)

Country Link
JP (1) JPS5125530Y1 (en)
BE (1) BE770052A (en)
CA (1) CA950634A (en)
DE (1) DE2135470C3 (en)
FR (1) FR2098426B1 (en)
GB (1) GB1299028A (en)
NL (1) NL7109719A (en)
SE (1) SE396303B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4085791A (en) * 1976-01-26 1978-04-25 International Lead Zinc Research Organization, Inc. Method of pore-free die casting
US3999593A (en) * 1976-02-19 1976-12-28 International Lead Zinc Research Organization, Inc. Method and apparatus for pore-free die casting
JPS6018262A (en) * 1983-07-12 1985-01-30 Nippon Denso Co Ltd Method and device for die casting
CN112453345A (en) * 2020-11-05 2021-03-09 东莞市兴茂压铸有限公司 Die-casting system and die-casting process for preparing aluminum alloy die-casting

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2274800A (en) * 1938-01-04 1942-03-03 Lester Engineering Co Pressure casting machine nozzle shut-off
US3123875A (en) * 1962-05-31 1964-03-10 Madwed

Also Published As

Publication number Publication date
JPS5125530Y1 (en) 1976-06-29
FR2098426B1 (en) 1974-12-20
DE2135470C3 (en) 1980-03-20
NL7109719A (en) 1972-01-18
SE396303B (en) 1977-09-19
BE770052A (en) 1971-11-16
DE2135470A1 (en) 1972-01-20
CA950634A (en) 1974-07-09
FR2098426A1 (en) 1972-03-10
DE2135470B2 (en) 1979-07-12

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee