NIPPON THOMPSON CO. LTD IS A SPECIALIST IN MANUFACTURE AND SALES OF PRECISION POSITIONING TABLES, NEEDLE BEARINGS AND LINEAR MOTION GUIDES. Precision positioning tables. The Mechatronics Series was developed through the integration of precision machining technology and electronics. Precision positioning tables (commonly known as PPT in the UK) incorporate a linear motion rolling guide and ball screw or linear motor between the bed and slide table. A wide range of products are available in either the module type or super high-precision type. They play an important role in a variety of industries that require equipment with positioning mechanisms such as semiconductor manufacturing equipment, flat panel display manufacturing equipment, and other precision equipment needs. Having the positioning table and electrical control components in one helps reduce design and assembly processes. Ball screw driven units. TU Series is a compact and slim type positioning table, consisting of a U-shaped track rail and a slide table. The slide table, assembled inside the U-shaped track rail, is an integral part of a linear motion rolling guide mechanism, in which two rows of large diameter steel balls are arranged in four point contact with raceways. Owing to this design, stable high accuracy and high rigidity are obtained in operations even under fluctuating load varying in direction and magnitude, and complex load. Also, by adopting a U-shaped track rail, the rigidity of track rail under moment load and torsion is greatly improved. TU Series includes six sizes with a track rail width of 25mm to 130mm. For each of them, slide table length can be selected. Also, ball screw types and leads, motor types, and sensor installations, etc, can be selected to obtain an optimum positioning table suitable for each application.
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