JPS5636361A - Casting method of circular casting - Google Patents

Casting method of circular casting

Info

Publication number
JPS5636361A
JPS5636361A JP11221779A JP11221779A JPS5636361A JP S5636361 A JPS5636361 A JP S5636361A JP 11221779 A JP11221779 A JP 11221779A JP 11221779 A JP11221779 A JP 11221779A JP S5636361 A JPS5636361 A JP S5636361A
Authority
JP
Japan
Prior art keywords
casting
ingate
broken
circular
mold
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
JP11221779A
Other languages
Japanese (ja)
Inventor
Tadayoshi Yokomi
Seishiro Uejima
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 JP11221779A priority Critical patent/JPS5636361A/en
Publication of JPS5636361A publication Critical patent/JPS5636361A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To prevent an ingate-broken portion from projecting and simplify the subsequent finishing process at the time of casting a circular casting by so setting a mold that the excess metal portions connecting smoothly to the outside circumferential surface of the ingate-broken part of the casting are provided.
CONSTITUTION: A mold is made in such a manner that the excess metal portions 5, 5 continuous to the portion 4 where the ingate provided along the outside circumferential surface 3a of a circular casting 3 such as flywheel is broken are formed on both sides in the circumferential direction of the broken portion 4. Molten iron is cast in this mold to manufacture the circular casting 3. Here, the two excess metal portions 5, 5 are respectively longer than the width of the ingate, connect smoothly at both ends in the circumferential direction of the broken part 4, become gradually less in thickness as they go away circumferentially and finally become continuous to the outside circumferential surface 3a of the circular casting 3; therefore, the machining of the next outside circumferential face 3a may be smoothly performed. Namely, there is no need for removing the broken part 4 of the ingate with a grinder and necessary machining may be performed as cast, thus the finishing process may be considerably simplified.
COPYRIGHT: (C)1981,JPO&Japio
JP11221779A 1979-08-31 1979-08-31 Casting method of circular casting Pending JPS5636361A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11221779A JPS5636361A (en) 1979-08-31 1979-08-31 Casting method of circular casting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11221779A JPS5636361A (en) 1979-08-31 1979-08-31 Casting method of circular casting

Publications (1)

Publication Number Publication Date
JPS5636361A true JPS5636361A (en) 1981-04-09

Family

ID=14581182

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11221779A Pending JPS5636361A (en) 1979-08-31 1979-08-31 Casting method of circular casting

Country Status (1)

Country Link
JP (1) JPS5636361A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105665651A (en) * 2016-04-11 2016-06-15 杨朝平 Flywheel casting mold
JP2017072030A (en) * 2015-10-05 2017-04-13 株式会社川本製作所 Axial flow pump, impeller, metal mold, method for manufacturing impeller and method for manufacturing axial flow pump

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017072030A (en) * 2015-10-05 2017-04-13 株式会社川本製作所 Axial flow pump, impeller, metal mold, method for manufacturing impeller and method for manufacturing axial flow pump
CN105665651A (en) * 2016-04-11 2016-06-15 杨朝平 Flywheel casting mold

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