| 摘要 |
A multi-row pipe bending apparatus has a plurality of rows of pipe bending devices each including a pipe bending unit having at least one bending die, and clamping and pressure dies for securing to the bending die a pipe to be bent. Each bending device includes also a pipe twisting unit having a twisting plate having an opening for holding the pipe, and rotatable with a predetermined twisting angle about the longitudinal axis of the pipe for moving it to a position conforming to the shape into which it is to be bent. The bending and twisting units are movable longitudinally of the pipe. A pipe transfer device is provided for transferring the pipe from one row to another, so that the pipe may be bent close to one end thereof in one row, and close to the other end in another.
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