| 摘要 |
A breakaway unit sits atop a base plate of a coordinate measuring machine via a breakaway coupling system. A crash detection system including at least one crash detection sensor mounted on the breakaway unit and a crash detection controller stops the machine when vertical movement of the breakaway unit exceeds a threshold. Should collision occur, the breakaway coupling system allows the breakaway unit to separate from the base plate, preventing damage to instruments mounted thereon. The kinematic coupling system preferably comprises tooling balls engaging respective vee cones, vee grooves, and/or flats.
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