| 摘要 |
PROBLEM TO BE SOLVED: To provide a hydraulic drafting device of a rolling mill capable of overcoming instability with the influence of mutual cylinders since the rod side pressure room of each cylinder communicates with each other in the hydraulic drafting device of the rolling mill. SOLUTION: A pair of pipe lines 50, 51 which communicate with the rod side pressure rooms 30, 31 of respective hydraulic cylinders 10, 11 are confluent at an angle of less than 90 degrees, so that a structure is made hard to receive the influence of pressure variations of respective cylinders 10, 11.
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