The total working size of a mould cavity is formed by the combination and accumulation of the sub-working sizes of the forming parts during the assembly process.

• 根据尺寸链原理，对在不同成型零件装配成模腔的过程中，由不同工作尺寸组合和累积而间接形成的工作尺寸的计算问题进行分析探讨；