Blow molding is a technique that’s similar to glass-blowing. A blow-molding machine blows air into a heated tube-like piece, generally made out of plastic or glass, that is clamped into a mold. As the air is blown into it, the pressure pushes the plastic out to match the shape of ...
The injection molding of cyclic olefin copolymers (COC) was discussed. COC retain mechanical properties over multiple regrind cycles. COCs low shrinkage, lubricated grades and mold-release agents helped in re...
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Five industry pros with more than 200 years of combined injection molding experience provide step-by-step best practices on mounting a mold in a horizontal injection molding machine.
It is the channel connecting the sprue and each cavity in the multi groove die. In order to make the melt fill all the cavities at the same speed, the distribution of the portholes on the mold should be symmetrical and equidistant. The shape and size of the splitter section have an effe...
PROBLEM TO BE SOLVED: To manufacture an injection needle having a minimum outer diameter smaller than that of a conventional injection needle manufactured by welding or using a coat layer and without causing defective products due to dripping of a weld bead or a coat layer. .. SOLUTION: The ...
In 1972,industrial roboticsand injection molding were combined for the first time. Using robots to perform secondary operations while the injection-molding machine was working led to greater increased efficiency and output.At this time, mold design and process refinement were still expensive and require...
1. Design molds and make molds Mold is one of the key components of injection molding, and its design and manufacturing quality directly affect the accuracy of the final product. Scientific and reasonable mold design can ensure the uniform flow of plastics in the mold, reducing the possibility ...
On a donut shape such as this, there’s little choice over the parting-line location, but many orthogonal parts have sharp corners, which make a clean, crisp junction at which the mold can separate. Flash or no, you should expect a parting line on most molded products, but we will ...
well the rest of the mold is made, if the ejector pins flash or are the wrong length and contour the plastic part will be rejected. That is why choosing the right pin for the job is important. Saving money on poor qualityinjection mold componentsjust does not make sense in the long ...