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Star Micronics: Introducing the Swiss Type Automatic Lathe ST-20

8/8/2014

- With ø20mm-type Added to 3-Turret Complex Machine Model ST -

Photo:ST-20 Star Micronics is pleased to introduce its new 3-turret complex machine Model ST-20, a new model of the Swiss type automatic lathe (Note 1). This model is designed for complicated shaped parts to be used in the medical, automobile and aircraft industries, and scheduled to be released globally in August, 2014.

Star Micronics introduced the current ST-38; 3-turret type complex machine model in June, 2010. The ST-38 has earned high praise as an excellent automatic lathe for complex machining of large-diameter (up to ø38mm) and complicated parts, mainly in the European and American markets.

The ST-20 can handle workpieces with a maximum machining diameter of ø20mm. There are 12 controlled axes, including 10 linear controlled axes and 2 rotary controlled axes like the ST-38. It has the largest number of controlled axes of all the Swiss type automatic lathes in its class.

The opposing 8-stationed turret type tool post (3-axis control on the front and 2-axis control on the back side) for front-side machining with the guide bush arranged in the center allows turning, drilling and milling simultaneously through the independent control of each tool post.

For back-side machining, an 2-axis controlled 8-stationed turret-type tool post equipped with 2-axis control function is employed. This design achieves a complex machining performance equivalent to that of the front-side machining. Efficient process splitting and simultaneous machining on both the front and back sides enables the reduction of machining time.

In addition, a unique Star Motion Control System (Note 2) is mounted in order to minimize non-cutting time for switching the control system and changing tools to aim at the reduction in the total machining time from the standpoint of the mechanical and control systems.

The alarm help function for checking the details of each alarm on the NC screen, the program check function for checking the contents of the created program before starting machining and many other help functions are employed to improve operator's operability and workability.

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