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Tool holder for press brake - has inflatable tube between tool clamps and is electrically linked to switch to prevent machine operation when depressurised
Tool holder for press brake - has inflatable tube between tool clamps and is electrically linked to switch to prevent machine operation when depressurised
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机译：折弯机工具架-在工具夹之间具有充气管，并通过电气方式与开关相连，以防止减压时机器的运行
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摘要
The press brake has a tool holder (2) fixed to the machine slide. The tool (5) is held by clamps (4) spaced along its length, an inflated tube (9) between the parts applying the retraining pressure. Each clamp is held by a retainer screw (3), locked to prevent complete removal, and is spring loaded. The tube acts on the heel of the clamp, maintaining its toe (4a) under the head (5a) of the tool. When changing tools, the tube is depressurised. This releases a pressure switch in the machine's electrical supply. The machine cannot operate until the tube has been inflated, holding the tools.
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