Title:
CONNECTING ROD OF DIE CASTING ALUMNUM ALLOY
Document Type and Number:
Japanese Patent JPS5923119
Kind Code:
A
Abstract:
PURPOSE:To obtain a light and rigid connecting rod having good dimensional accurcy, by using a heat-treatable aluminum alloy, molding the aluminum alloy to a uniform thin-walled casting by a heat-treatable casting process, and heat- treating the mold by T6-treatment and the like. CONSTITUTION:A heat-treatable aluminum alloy is molded by a non-porous oxygen die casting, and then is processed to T6-treatment of 500 deg.CX3hr water cooling 180 deg.CX8hr to obtain a thickness of 2-5mm. and a maximum tensile strength. On the basis of the above, a connecting rod 1 is formed in such a manner that its thickness be in the range of 3-5mm. and a larger bearing portion 3 is scraped out along the R formed at its one end to be in uniform thickness, with a substantially central portion of a connecting member 4 formed in a combined E shape in cross-section. As a result, the connecting rod may obtain a necessary and sufficient strength irrespective of use of an aluminum alloy, thereby achieving a light-weight engine.
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Inventors:
TAKAHASHI YOUSUKE
YANO MASARU
AKIMOTO TAKEMI
HOUJIYOU NOBUYOSHI
SAKAMOTO KIYOAKI
YANO MASARU
AKIMOTO TAKEMI
HOUJIYOU NOBUYOSHI
SAKAMOTO KIYOAKI
Application Number:
JP13429282A
Publication Date:
February 06, 1984
Filing Date:
July 30, 1982
Export Citation:
Assignee:
RYOBI LTD
MITSUBISHI MOTORS CORP
MITSUBISHI MOTORS CORP
International Classes:
F16C7/00; B22D17/00; F16C7/02; (IPC1-7): B22D17/00
Domestic Patent References:
| JP52150606B | ||||
| JPS52124406A | 1977-10-19 | |||
| JPS353402Y1 |