Plastic and nonmetallic article shaping or treating: processes – With measuring – testing – or inspecting – Positioning of a mold part to form a cavity or controlling...
Patent
1997-01-24
1999-01-26
Heitbrink, Jill L.
Plastic and nonmetallic article shaping or treating: processes
With measuring, testing, or inspecting
Positioning of a mold part to form a cavity or controlling...
2643281, 425150, 425595, 4254519, B29C 4564, B29C 4580
Patent
active
058634746
ABSTRACT:
A method and system of controlling a screw engaging position adjuster provided in a complex mold clamping system. A theoretical deviation of a screw engaging position is theoretically calculated on the basis of a distance by which a movable die has been moved from an origin set for a mold thickness adjustment in clamping process. A measured deviation of the screw engaging position is measured from a distance between a mold clamping cylinder and a movable platen in clamping process. The screw engaging position adjuster is so controlled that a difference between the theoretical deviation and the measuring deviation is within an allowable deviation having previously been set.
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Ito Katsuo
Sasaki Kiyoshi
Heitbrink Jill L.
Toshiba Machine Co. Ltd.
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