| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide the tube index device of the laser beam machine, by which, as a long size work of tube, etc., is once mounted, both ends of the long size work can be machined and in which a work is mounted from the upper side of an index device. SOLUTION: The device is provided with plural support rollers 21 supporting at least three points of the outer periphery of an annular tube fixing member 17 arranged to a tube index main body 15, two drive gears 31 engaging to a gear 27 arranged to the outer periphery of the tube fixing member 17 which is arranged to the main body, notched grooves shorter than a between shaft distance L of the two gears 31 arranged to the annular tube fixing member 17 so that a tube W is free to carrying in/out from the notched groove to the inside of the tube fixing member 17 and a servo motor 29 rotating/indexing the tube fixing member 17 through the two drive gears 31.</p> |
