Injection Molding
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Orange Peel Texture on CMC Surface
Problem Phenomenon
Orange-peel-like uneven texture on the surface of CMC products, rough to the touch
Cause Analysis
Mold temperature is low <30°C; the product surface cools and solidifies quickly, then the interior continues to shrink, causing surface unevenness; injection speed is too low
Solution
1)Increase mold temperature to 40-50°C to delay surface solidification; 2)Appropriately increase injection speed; 3)Increase holding pressure to reduce internal shrinkage
Key Takeaway
Orange peel is caused by rapid cooling and solidification; increasing mold temperature and holding pressure are the key
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