Injection Molding
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CEF surface orange peel texture
Problem Phenomenon
The surface of the CEF product has orange peel-like uneven texture and feels rough
Cause Analysis
The mold temperature is low <30°C, the surface of the product cools and solidifies quickly and the inside continues to shrink, resulting in surface unevenness; the injection speed is too low
Solution
1) Increase the mold temperature to 40-50°C to delay surface solidification; 2) Appropriately increase the injection speed; 3) Increase the holding pressure to reduce internal shrinkage
Key Takeaway
Orange peel texture is caused by rapid cooling and solidification; increasing the mold temperature and holding pressure are the key
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