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Process Design of Sheath

The mold design is carried out according to the performance of the material and the characteristics of the product. Because the product quantity is large and the dimensional accuracy is required to be high, the method of inlaying according to its shape and function is adopted. In order to quickly replace in case of problems, a cavity standard mold base is used. 

Using PA6 as raw material, the process flow for preparing the sheath:

Calculation of the strength of the terminal in the sheath

The calculation of the strength of the fixed point of the terminal in the sheath is mainly the calculation of the strength of the elastic barb of the terminal and the elastic support hanger of the sheath. When the terminal is fixed in the sheath, it is mainly subjected to axial tension. At this time, the terminal barb is subjected to bending load, the sheath hanging platform is subjected to shear load, and the elastic support hanging platform is also subjected to bending load. When the material of the terminal is selected, appropriately increasing the width of the terminal barb and rationally designing the shape of the barb can fully ensure that the bending strength of the barb meets the requirements (maximum holding force). 

When the material of the sheath is selected and the fit gap between the terminal and the sheath is determined, the bending deformation of the elastic support hanger 

(Lateral displacement) is small, and the bending strength can meet the requirements in general. The focus of the strength calculation is the bullet 

The shear strength of the supporting platform. 

The strength calculation is actually to determine the width and height of the elastic support hanging platform. When the terminal structure size is determined, the window width of the terminal is a fixed value, so the width of the hanging table must be smaller than the window width. available on request 

First set the width value of the elastic support hanging platform within the range, so that the height of the hanging platform can be calculated.

Simple instructions：

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