Hydraulically powered lowering tool with a piston-cylinder unit

作者: Harry Studer

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摘要: The tool (1) has machine cutting knives (8) that are actuatable by supplying a pressure medium (14) in pivoted position. arranged next to each other or one above the other. A piston cylinder unit e.g. (49) and control bolt (55), is operated of using i.e. cooling medium. controls pivoting movement knife during operation unit, provided over bypass hole (19) longitudinal direction for flushing knife.