| 摘要 |
The torque-controlled pipe expander particularly for the pipe expansion in heat, exchangers and boilers, comprises an expander (1) carried by a telescopic shaft (2) sustained by a suspension device (3) applied to a carriage (4) carrying an electronic controller (5) of the pipe expansion, the rotary motor (6) of the expander (1) being movably supported by said suspension device (3) along the direction of the axis (L) of the telescopic shaft (2). |
