So, when the design needs to comply with a number of technical guidelines to ensure quality for most products. The following are some principles need to be compliant: + Reduce to a minimum the change the channel cross-section lead. + Plastic conduits must get rid of the mold easier. + The entire Canal length should be as short as possible, to be able to quickly fill out complete stereotypes that avoid pressure loss and heat loss during the fill. + The size of plastic channel depending on the type of materials that are different. A plastic channel is small enough to reduce scrap, shorten cooling time (to affect the product's cycle), the clamping force reduction. On the other hand is big enough to move a significant amount of material to fill out the complete mould quickly and less pressure loss.
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