Injection device of a die casting machine

Details Injection device of a die casting machine Injection device of a die casting machine

1996-08-09

1999-03-30

Batten, Jr., J. Reed

Metal founding

Control means responsive to or actuated by means sensing or...

Control of feed material enroute to shaping area

164113, 1641554, 1641555, 164312, 164457, R22D 1732

Patent

active

058876413

ABSTRACT:
An injection device of a die casting machine including an injecting cylinder, in which a piston connecting to a piston rod is slidably thrust into a cylinder body and in which pressurized oil is fed to the side of the piston from a pressurized oil source and flows out from the side of the piston rod, and a servo valve controlling an injection speed of the injection cylinder device by controlling the amount of flow of pressurized oil that flows out from the injecting cylinder. The servo valve is directly attached to the cylinder body of the injecting cylinder and a flow channel connecting the injecting cylinder and servo valve is shortened.

REFERENCES:
patent: 4252176 (1981-02-01), Page
patent: 4660620 (1987-04-01), Ozeki
patent: 5299626 (1994-04-01), Iwamoto
patent: 5622217 (1997-04-01), Iwamoto et al.
patent: 5662159 (1997-09-01), Iwamoto et al.
Abstract of Japanese Patent Publication 6-39516 Published Feb. 15, 1994.

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