13. weld effect13.1 the formation: The black stains at the bottom of the flow or in the appropriate location of the flow (air trapped).13.2 the cause: The mold has a poor exhaust system at the end of the flow.The lines of some of the flow. In both cases the gases formed in the mold Cup was plastic and heat gets too high compression.13.3 How to fix it.Put the gas valve in the special region steady spray flow temperature and speed.Identify the areas characterized by moldflow analysis: e.g. the right shape design, the correct port location and distribution of the product thickness.Reduce mold clamping force to resolve the situation.14. blinded when Transfiguration products14.1 the formationThe surface marked by clear products, stress cracking and distortion.The product is damaged, the fissure or being compressed.Products of warping.14.2 causesThe system retrieves the product: too little or tiny light bars are not the correct location or an area of the surface of a tiny light bar is too small.Cropping, bulging or the Groove.The shape of the mold is not thichs. E.g. the tendons do not matchThe core of the shrinkage during the process of squeezing and cooled. Blinded product temperature too high. Tiny light speed or blinded the higher pressure.Product being too compressed.Mold temperature unbalanced.14.3 How to fixMake sure that the deformation occurred during clear product is not due to warping.Optimized product system, certainly the number of tiny light bar fits. The clear need to put in these regions need clear force as large as in the tendons.Check for mould regularly if necessary.Product, core cooling increase cooling time, reduce the speed and pressure of a tiny light.During installation, check the pressure switch from the point to sustained pressure spraying (avoid too compressed) and reduce the pressure to maintain suât.Reduce mold pressure through injection pressure and melt temperature.
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