3 core issues for mechanical plastic housing parts
Published Time:
2026-08-19
The surface of the shell is prone to shrinkage, weld marks, bubbles, and burrs, especially in areas with dense mesh and buckle columns.
Injection molding appearance defects
The surface of the shell is prone to shrinkage, weld marks, bubbles, and burrs, especially in areas with dense mesh and buckle columns. Poor appearance directly affects the assembly and appearance acceptance of finished products. How to optimize mold gates and improve cooling parameters?
Assembly fit dimensional tolerance issues
When the upper and lower shells, frames and panels are fastened to each other, gaps often appear to be uneven, difficult to fasten, or assembly is loose. The shrinkage rate of plastic parts fluctuates, causing the size of key buckles and positioning posts to deviate. How to control dimensional tolerances and reserved assembly gaps?
Structural strength and service life issues
The buckles, thin-walled ribs, and hanging lugs are prone to breakage after being stressed; due to changes in temperature and humidity after long-term use, the plastic will creep and the buckles will loosen. How to adjust the wall thickness, stiffener structure, and select suitable raw materials to improve the durability of the structure?
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