JPS57146448A - Casting method - Google Patents

Casting method

Info

Publication number
JPS57146448A
JPS57146448A JP3270481A JP3270481A JPS57146448A JP S57146448 A JPS57146448 A JP S57146448A JP 3270481 A JP3270481 A JP 3270481A JP 3270481 A JP3270481 A JP 3270481A JP S57146448 A JPS57146448 A JP S57146448A
Authority
JP
Japan
Prior art keywords
prototype
investment casting
reinforcing
reinforcing materials
distortions
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.)
Granted
Application number
JP3270481A
Other languages
Japanese (ja)
Other versions
JPH0113940B2 (en
Inventor
Kishikazu Furukawa
Yoshitaka Saito
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 Koki Co Ltd
Original Assignee
Nippon Koki 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 Koki Co Ltd filed Critical Nippon Koki Co Ltd
Priority to JP3270481A priority Critical patent/JPS57146448A/en
Publication of JPS57146448A publication Critical patent/JPS57146448A/en
Publication of JPH0113940B2 publication Critical patent/JPH0113940B2/ja
Granted legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C9/00Moulds or cores; Moulding processes
    • B22C9/02Sand moulds or like moulds for shaped castings
    • B22C9/04Use of lost patterns
    • B22C9/046Use of patterns which are eliminated by the liquid metal in the mould

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)

Abstract

PURPOSE:To obtain the castings of high accuracy having no bending and distortions in a full mold casting method wherein an expandable resin is used as an investment casting prototype, by reinforcing the investment casting prototype beforehand with the reinforcing materials. CONSTITUTION:Iron wires 2 which are the reinforcing materials are molded in such a way as to conform to the outside circumferential shape of an investment casting prototype 1 of foamed polystyrene, and are fixed by means of the adhesives 3. These are buried in the molding sand 7 in a molding flask 4 having many through-holes 5, and the inside of a vacuum chamber 6 is evacuated with a vacuum pump. Next, the melt of an Al alloy is charged through a sprue 8. The prototype 1 is made robust in the case of making moldings of intricate shapes and thin walls as well, by reinforcing the circumference or the proper positions of the investment casting prototype with the reinforcing materials in this way. The bending and distortions of the end parts or the entire part are averted during the work of burying the mold in the sand 7.
JP3270481A 1981-03-05 1981-03-05 Casting method Granted JPS57146448A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3270481A JPS57146448A (en) 1981-03-05 1981-03-05 Casting method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3270481A JPS57146448A (en) 1981-03-05 1981-03-05 Casting method

Publications (2)

Publication Number Publication Date
JPS57146448A true JPS57146448A (en) 1982-09-09
JPH0113940B2 JPH0113940B2 (en) 1989-03-08

Family

ID=12366226

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3270481A Granted JPS57146448A (en) 1981-03-05 1981-03-05 Casting method

Country Status (1)

Country Link
JP (1) JPS57146448A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6114047A (en) * 1984-06-20 1986-01-22 アウトボード・マーリン・コーポレーシヨン Evaporating assembly for casting using sand
JPS61273240A (en) * 1985-05-29 1986-12-03 Mazda Motor Corp Packed casting method
CN109382494A (en) * 2018-11-28 2019-02-26 贵州安吉航空精密铸造有限责任公司 A kind of formwork reinforcement means during spin cast paint

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014124678A (en) * 2012-12-27 2014-07-07 Lixil Corp Mold and cast structure

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6114047A (en) * 1984-06-20 1986-01-22 アウトボード・マーリン・コーポレーシヨン Evaporating assembly for casting using sand
JPH0438499B2 (en) * 1984-06-20 1992-06-24
JPS61273240A (en) * 1985-05-29 1986-12-03 Mazda Motor Corp Packed casting method
CN109382494A (en) * 2018-11-28 2019-02-26 贵州安吉航空精密铸造有限责任公司 A kind of formwork reinforcement means during spin cast paint

Also Published As

Publication number Publication date
JPH0113940B2 (en) 1989-03-08

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