| 摘要 |
An arrangement for clamping raw materials in a machine tool for machining elongated workpieces is provided. The arrangement comprises a supporting plate with at least one thoroughgoing opening and at least one clamping device arranged in front of one of the openings. The clamping device has a pair of clamping rings that drive pairs of jaws. When a pair of clamping devices are utilized, the first clamping device may be used primarily for the clamping of profiles, while the second clamping device is designated for round bodies.
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