Casting device for producing closed deck type cylinder block and

Details Casting device for producing closed deck type cylinder block and Casting device for producing closed deck type cylinder block and

1997-02-07

1998-02-24

Lin, Kuang Y.

Metal founding

Means to shape metallic material

Including means to assemble mold parts

164137, B22D 3404

Patent

active

057203342

ABSTRACT:
A combination of a device for producing a closed deck type cylinder block and a sand core to be used in the device, the combination being capable of producing the block having high dimensional accuracy and eliminating precise dimensional control to the end face portion of the sand core. The sand core has a configuration identical with a water jacket formed in the engine block. Holding projections extending in an axial direction of a cylinder liner integrally protrude from a slide core of a movable die, and complementary holding bores are formed in the sand core, the bores being open at a top deck end face of the sand core. In one preferred embodiment, the top deck end face of the sand core is of a planner arrangement, and an end face of the slide core is formed with recesses for forming bridge portions therein. Casting is performed while maintaining a surface contact between the planner end face and the end face of the slide core. The contacting areas will become windows of the water jacket.

REFERENCES:
patent: 4462455 (1984-07-01), Henych et al.
Patent Abstracts Of Japan, vol. 013, No. 458 (M-880), Oct. 17, 1989, & JP 01 178361 A (RYboi Ltd), Jul. 14, 1989, *Abstract.

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