JPS5714453A - Casting method - Google Patents

Casting method

Info

Publication number
JPS5714453A
JPS5714453A JP8759480A JP8759480A JPS5714453A JP S5714453 A JPS5714453 A JP S5714453A JP 8759480 A JP8759480 A JP 8759480A JP 8759480 A JP8759480 A JP 8759480A JP S5714453 A JPS5714453 A JP S5714453A
Authority
JP
Japan
Prior art keywords
stage
wall thickness
pressurizing
molten metal
point
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.)
Pending
Application number
JP8759480A
Other languages
Japanese (ja)
Inventor
Yasuo Okada
Masaoki Hashimoto
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.)
Toyota Motor Corp
Original Assignee
Toyota Motor 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 Toyota Motor Corp filed Critical Toyota Motor Corp
Priority to JP8759480A priority Critical patent/JPS5714453A/en
Publication of JPS5714453A publication Critical patent/JPS5714453A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To obtain a product which is superior in pressure resistance and mechanical properties by filling molten metal by pressure into cavities, and performing local pressurizing of the 1st stage at the point of the time when the part of small wall thickness has half solidified in a place where the wall thickness is large and that of the final stage at the point of the time when the part of large wall thickness has half solidified.
CONSTITUTION: Molten metal is filled by pressure into cavities by a main plunger 7, and the 1st stage of pressurizing is accomplished by a plunger 5 for local pressurizing provided in a part 3 of the largest wall thickness where the molten metal solidifies last, at the point of the time when a thick walled part 3' of small thickness of the product where it solidifies early. Next, the pressurizing of the final stage is accomplished while the part 3 of large wall thickness solidifying last is in a half solidified state. This may be provided dividedly by providing local pressurizing of an intermediate stage between the 1st stage and the final stage of local pressurizing or continuously.
COPYRIGHT: (C)1982,JPO&Japio
JP8759480A 1980-06-27 1980-06-27 Casting method Pending JPS5714453A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8759480A JPS5714453A (en) 1980-06-27 1980-06-27 Casting method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8759480A JPS5714453A (en) 1980-06-27 1980-06-27 Casting method

Publications (1)

Publication Number Publication Date
JPS5714453A true JPS5714453A (en) 1982-01-25

Family

ID=13919314

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8759480A Pending JPS5714453A (en) 1980-06-27 1980-06-27 Casting method

Country Status (1)

Country Link
JP (1) JPS5714453A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51104429A (en) * 1975-03-12 1976-09-16 Sadakichi Sugimura Daikyasutochuzono ketsukanboshiho
JPS51130631A (en) * 1975-05-08 1976-11-13 Nissan Motor Metal mould casting method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51104429A (en) * 1975-03-12 1976-09-16 Sadakichi Sugimura Daikyasutochuzono ketsukanboshiho
JPS51130631A (en) * 1975-05-08 1976-11-13 Nissan Motor Metal mould casting method

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