塑料产品卡钩设计规范TICONASNAP-FITS FOR ASSEMBLY AND DISASSEMBLYPresented by: Tim Spahr Technical Service EngineerNovember 1991(Revised 1/00)T i c ona A bus i nes s of Cel anes e A G GENERAL DISCUSSIONAn economical and quick method of joining plastic parts is by a snap-fit joint. A snap-fit joint can be designed so it is easily separated or so that it is inseparable, without breaking one of its components. The strength of the snap-fit joint depends on the material used, its geometry and the forces acting on the joint. Most all snap-fit joint designs share the common design features of a protruding ledge and a snap foot. Whether the snap joint is a cantilever or a cylindrical fit, they both function similarly. When snap-fit joints are being designed, it is important to know the mechanical stresses ……
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