Because of the fillness before assembly and action of impulsive force in the working process, the strength and rigidity of tight mould sleeve should be checked during the design.

• 紧固模套是组合模具中最常使用的结构,由于装配前存在过盈以及工作过程中冲裁力的作用,设计时必须对紧固模套进行强度和刚度校核。