JPS6466041A - Coated sand of casting mold - Google Patents

Coated sand of casting mold

Info

Publication number
JPS6466041A
JPS6466041A JP22315887A JP22315887A JPS6466041A JP S6466041 A JPS6466041 A JP S6466041A JP 22315887 A JP22315887 A JP 22315887A JP 22315887 A JP22315887 A JP 22315887A JP S6466041 A JPS6466041 A JP S6466041A
Authority
JP
Japan
Prior art keywords
sand
reconditioned
mold
magnetic
coated
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
JP22315887A
Other languages
Japanese (ja)
Other versions
JP2510213B2 (en
Inventor
Toshitada Onoda
Yoshiro Ikeoka
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.)
Mazda Motor Corp
Original Assignee
Mazda 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 Mazda Motor Corp filed Critical Mazda Motor Corp
Priority to JP22315887A priority Critical patent/JP2510213B2/en
Publication of JPS6466041A publication Critical patent/JPS6466041A/en
Application granted granted Critical
Publication of JP2510213B2 publication Critical patent/JP2510213B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Molds, Cores, And Manufacturing Methods Thereof (AREA)

Abstract

PURPOSE:To form coated sand having a small rate of thermal expansion at the time of pouring by using the magnetic sand separated from reconditioned sand of a green sand mold consisting of silica sand and clay as the aggregate of the coated sand of a casting mold. CONSTITUTION:After the master mold constituted of the silica sand and bentonite is shaken out, the ferromagnetic metal existing therein is separated and removed by a magnetic separator P1 of 1,650 gauss. Grain sizes are then uniformized P2 by an unmelted lumps separating stage. Further, the sand is subjected to a roasting stage at about 800 deg.C and the bentonite sticking to the surface of the sand grins is removed P4 by a polishing stage to form the reconditioned sand. This reconditioned sand is subjected to ore dressing under strong magnetic force of about 17,000 gauss to form the aggregate consisting of the magnetic sand. The coated sand of the metallic mold having small thermal expansion at the time of pouring is thereby obtd.
JP22315887A 1987-09-08 1987-09-08 Coated sand in mold Expired - Lifetime JP2510213B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22315887A JP2510213B2 (en) 1987-09-08 1987-09-08 Coated sand in mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22315887A JP2510213B2 (en) 1987-09-08 1987-09-08 Coated sand in mold

Publications (2)

Publication Number Publication Date
JPS6466041A true JPS6466041A (en) 1989-03-13
JP2510213B2 JP2510213B2 (en) 1996-06-26

Family

ID=16793700

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22315887A Expired - Lifetime JP2510213B2 (en) 1987-09-08 1987-09-08 Coated sand in mold

Country Status (1)

Country Link
JP (1) JP2510213B2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006068815A (en) * 2004-08-06 2006-03-16 Yamakawa Sangyo Kk Method for recycling waste sand of green sand mold, and aggregate for mold
JP2010058084A (en) * 2008-09-05 2010-03-18 Toshiba Corp Magnetic separation membrane and magnetic separator
CN101773981A (en) * 2010-03-05 2010-07-14 昆明理工大学 Method for mechanically combining and regenerating casting clay-resin mixed used sand
JP5869161B1 (en) * 2015-02-18 2016-02-24 山川産業株式会社 Method for producing binder-containing sand for mold

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108393429A (en) * 2018-03-06 2018-08-14 溧阳市联华机械制造有限公司 A kind of special Quench magnetism precoated sand and preparation method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006068815A (en) * 2004-08-06 2006-03-16 Yamakawa Sangyo Kk Method for recycling waste sand of green sand mold, and aggregate for mold
JP2010058084A (en) * 2008-09-05 2010-03-18 Toshiba Corp Magnetic separation membrane and magnetic separator
CN101773981A (en) * 2010-03-05 2010-07-14 昆明理工大学 Method for mechanically combining and regenerating casting clay-resin mixed used sand
JP5869161B1 (en) * 2015-02-18 2016-02-24 山川産業株式会社 Method for producing binder-containing sand for mold

Also Published As

Publication number Publication date
JP2510213B2 (en) 1996-06-26

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