The residual stress will produce in weldments and other construction parts during the manufacturing process and will harm their dimension stability and service life, and therefore must be relieved.
焊接件等结构件在制造过程中会产生残余应力，影响其尺寸稳定性和使用寿命，因此必须消除。
This paper summarizes the rational application of assembly dimension chain in mechanical product design, manufacturing and maintenance process.
归纳总结装配尺寸链在机械产品设计、制造和维修过程中的合理应用。
The article suggests the requirements for application of online dimension measurement during the machining process according to the actual conditions of NC manufacturing of high-precision parts.
根据精密零件数控加工的实际生产情况，提出加工过程尺寸在线检测的应用需求。
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