Molds & Tooling
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Glass Fibre length out of tolerance
Problem Phenomenon
Glass Fibre product length deviation >±0.5mm, out of tolerance
Cause Analysis
Glass Fibre shrinkage rate unstable, fluctuating ±0.5%; mold dimension design did not consider shrinkage compensation; insufficient cooling, dimensions not stabilized
Solution
1) Precisely measure Glass Fibre shrinkage rate and compensate mold; 2) fully cool to ensure dimensional stability; 3) annealing treatment to eliminate post-shrinkage
Key Takeaway
Length out of tolerance is caused by unstable shrinkage rate; precise shrinkage compensation is key
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