The parallel machine tool is a new kind of machine which the parallel mechanism is used in. In recent years it is developing very quickly. But there are still some difficulties which cannot be solved, for example, the precision is one among them. The calibration set is just equipment for improving the precision of the machine tool. This essay mainly states the mechanical design of calibration sets in parallel machine tools.%并联机床是将并联机构应用于机床领域出现的一种新型机床,近年来发展很快.由于并联机床出现时间较短尚有很多未解决的难题,其中主要是精度问题,而校验台是进一步提高机床精度所必需的设备.重点阐述了并联机床校验台的机械设计.
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