Hitachi Koki Co., Ltd.

Hideki Hoshiba

Masahiro Inaniwa

Hiroshi Hayasaka

Hidetaka Osawa

Control method for a link arm mechanism and an automatic centrifugal machine employing this link arm mechanism

An automatic centrifugal machine comprises a handling apparatus for shifting a test specimen from a predetermined position, a rotor equipped with a bucket accommodating the test specimen, a drive motor for rotating the rotor, a chamber surrounding the rotor, and a refrigerator for cooling the chamber, and the automatic centrifugal machine has a height equal to or less than 1,450 mm. A conveyor line, conveying the test specimen, has a height in a range from 750 mm to 850 mm. The handling apparatus of the test specimen is formed by a link arm mechanism including first and second sliders, first and second arms, and a manipulator hand. The manipulator hand is shifted by controlling first and second sliders so as to satisfy the following relationship

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Mito, Japan

Hideki Hoshiba