JPS5750264A - Centrifugal casting method for tapered pipe - Google Patents

Centrifugal casting method for tapered pipe

Info

Publication number
JPS5750264A
JPS5750264A JP12739480A JP12739480A JPS5750264A JP S5750264 A JPS5750264 A JP S5750264A JP 12739480 A JP12739480 A JP 12739480A JP 12739480 A JP12739480 A JP 12739480A JP S5750264 A JPS5750264 A JP S5750264A
Authority
JP
Japan
Prior art keywords
molten metal
mold
casting
inside circumferential
small diameter
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
JP12739480A
Other languages
Japanese (ja)
Other versions
JPS5852741B2 (en
Inventor
Takeshi Shinozaki
Shinji Amako
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.)
Kubota Corp
Original Assignee
Kubota 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 Kubota Corp filed Critical Kubota Corp
Priority to JP12739480A priority Critical patent/JPS5852741B2/en
Publication of JPS5750264A publication Critical patent/JPS5750264A/en
Publication of JPS5852741B2 publication Critical patent/JPS5852741B2/en
Expired legal-status Critical Current

Links

Abstract

PURPOSE: To centrifugally cast two pieces of tapered pipes of the same inside diameter easily with one time of casting work by parting a casting at the place of a small diameter inside circumferential surface by the shrinkage stress developed on cooling and solidification of molten metal in a mold of which inside circumference surface becomes larger in diameter the nearer the two end sides.
CONSTITUTION: Molten metal (b) is supplied from a spout 2 into a mold 1, and while the inside circumferential surface of the molten metal is being maintained at the inside circumferential surface around the central axial center P by the centrifugal force developed by the revolution of the mold, the molten metal is cooled to solidify. Since a mold coating material (a) is packed in the groove 6 in a small diameter inside circumferential part, the packed part assumes a locally heat insulated state, and is therefore slower in the rate of solidification than that in the thin-walled molten metal part in contact with the small diameter inside circumferential surface part so that the casting is parted at the place of the small diameter inside circumferential part by the shrinkage stress developed on cooling and solidifying of the molten metal. After the cooling and solidifying, the casting is pulled to both sides, thus two pieces of tapered pipes of the same shape are produced simultaneously with one time of casting work by using one piece of the mold 1.
COPYRIGHT: (C)1982,JPO&Japio
JP12739480A 1980-09-12 1980-09-12 Centrifugal casting method for tapered tubes Expired JPS5852741B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12739480A JPS5852741B2 (en) 1980-09-12 1980-09-12 Centrifugal casting method for tapered tubes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12739480A JPS5852741B2 (en) 1980-09-12 1980-09-12 Centrifugal casting method for tapered tubes

Publications (2)

Publication Number Publication Date
JPS5750264A true JPS5750264A (en) 1982-03-24
JPS5852741B2 JPS5852741B2 (en) 1983-11-25

Family

ID=14958900

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12739480A Expired JPS5852741B2 (en) 1980-09-12 1980-09-12 Centrifugal casting method for tapered tubes

Country Status (1)

Country Link
JP (1) JPS5852741B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114850452A (en) * 2021-02-03 2022-08-05 中国石油天然气集团有限公司 Method for manufacturing wear-resistant workpiece

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114850452A (en) * 2021-02-03 2022-08-05 中国石油天然气集团有限公司 Method for manufacturing wear-resistant workpiece

Also Published As

Publication number Publication date
JPS5852741B2 (en) 1983-11-25

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