JPS5711746A - Casting method - Google Patents

Casting method

Info

Publication number
JPS5711746A
JPS5711746A JP8539080A JP8539080A JPS5711746A JP S5711746 A JPS5711746 A JP S5711746A JP 8539080 A JP8539080 A JP 8539080A JP 8539080 A JP8539080 A JP 8539080A JP S5711746 A JPS5711746 A JP S5711746A
Authority
JP
Japan
Prior art keywords
sand
molded
mandrel
dies
coated sand
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
JP8539080A
Other languages
Japanese (ja)
Inventor
Kazuo Usui
Masanori Tanaka
Masahiro Misori
Tokinobu Okada
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.)
Kawasaki Heavy Industries Ltd
Original Assignee
Kawasaki Heavy Industries 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 Kawasaki Heavy Industries Ltd filed Critical Kawasaki Heavy Industries Ltd
Priority to JP8539080A priority Critical patent/JPS5711746A/en
Publication of JPS5711746A publication Critical patent/JPS5711746A/en
Pending legal-status Critical Current

Links

Landscapes

  • Mold Materials And Core Materials (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)

Abstract

PURPOSE: To eliminate casting defects and improve dimensional accuracy by using a core molded of coated sand consisting of zircon sand or the like having characteristics of large heat conductivity and small coefft. of thermal expansion as blank material.
CONSTITUTION: A mandrel 2 is manually bent to a shape conforming to the inside surface of a part forming the central projecting body 3 of horizontal split dies 4. Thence, a suitable number of mandrel holding members 12A formed of coated sand to sleeper materials are disposed on the bottom surfaces 14, 15 of the cavity 13 of the dies 4 and the root part 7 of the mandrel 2 is positioned in the large space part 16 of the cavity 13 of the dies 4, thence these are molded into one piece by coated sand S for cores, whereby a compact shell core 1 of uniform degrees of packing of sand is molded.
COPYRIGHT: (C)1982,JPO&Japio
JP8539080A 1980-06-23 1980-06-23 Casting method Pending JPS5711746A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8539080A JPS5711746A (en) 1980-06-23 1980-06-23 Casting method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8539080A JPS5711746A (en) 1980-06-23 1980-06-23 Casting method

Publications (1)

Publication Number Publication Date
JPS5711746A true JPS5711746A (en) 1982-01-21

Family

ID=13857419

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8539080A Pending JPS5711746A (en) 1980-06-23 1980-06-23 Casting method

Country Status (1)

Country Link
JP (1) JPS5711746A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986001754A1 (en) * 1984-09-17 1986-03-27 Rikker Leslie D Molding medium, method for making same and evaporative pattern casting process
US5012857A (en) * 1984-09-17 1991-05-07 Rikker Leslie D Molding medium, method for making same and evaporative pattern casting process

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986001754A1 (en) * 1984-09-17 1986-03-27 Rikker Leslie D Molding medium, method for making same and evaporative pattern casting process
US4651798A (en) * 1984-09-17 1987-03-24 Rikker Leslie D Molding medium, method for making same and evaporative pattern casting process
US5012857A (en) * 1984-09-17 1991-05-07 Rikker Leslie D Molding medium, method for making same and evaporative pattern casting process

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