| 摘要 |
A tube expander for heat exchangers is capable of organizing an ideal production line where the transportation efficiency is increased and the productivity is improved by having a transportation path in a straight line, that is, applying a method where the heat exchangers are carried into one end of the tube expander (in the left and right direction) and carried out from the opposite end, that is, the other end (so called through-the-center method). The left and right ends of the end plate 9 at the front side are inserted with a pair of first guide bars 10 , and the left and right ends at the back side are inserted with a pair of second guide bars 11 . A guide path 2 a for a carrying device 23 or a guide path 2 a to install a transportation device, in either case, the heat exchangers are transported from one end to the other of the base 2 , is established on the base 2 that supports the first guide bars 10 and the second guide bars 11 in a clearance between the first guide bars 10 and the ball screw 20.
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