The right control valve at the right time in each. It has the ability to eliminate the welding line in detail using many nozzles nozzles controlled by open in a continuous flow.Figure a indicates the cross-section of the details to be filled out at the same time. This will create a lot of sugar products on South Korea.Figure b indicates also the same product is shaped with the same number of nozzles but are open sequentially according to the flow of resin filled products. At first one of the nozzles will open and the plastic is pushed on. Plastics allow giving front and flows through the second spray mouth adjacent to it. When the resin has to flow through the spray nozzle, mouth open and continue to the third spray mouth filled. 3rd spray mouth open and continued as such until filled out the rest of the product. This kind of exclusion is the formation of the welding line.
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