Material Drying
5 görüntüleme
Insufficient Welding/Fusion Strength of Cast Polypropylene Film Products
Sorun Belirtisi
After the product is joined by hot plate welding, ultrasonic welding, etc., the welding strength is insufficient, and it breaks at the weld when stressed.
Neden Analizi
(1) The welding temperature is too low, and the material is not fully melted and fused
(2) The welding pressure is insufficient or the time is too short
(3) The welding surface is contaminated (oil, dust, etc.)
(4) The material contains moisture or additives affect welding
(5) The welding surface is uneven, and the contact area is insufficient
Çözüm
(1) Optimize the welding temperature to a suitable range for cast polypropylene film
(2) Increase the welding pressure and time
(3) Clean the welding surface before welding
(4) Fully dry the raw material and reduce the amount of additives
(5) Ensure the welding surface is flat
Temel Çıkarım
The welding strength is determined by the quality of melt fusion.
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