how much percent of recycled material can be added to plastics? The important consideration should be end product and what your definition of "REGRIND" is. Reprocessing your own internal scrap (if kept clean and uncontaminated with anything else) is a significantly different question basis than using unknown or unclassified "regrind" from outside sources. As
injection molding issues of PC+ABS Rounded pellets usually are hot-cut, cylindrical pellets are usually strand-cut so most likely different extruders were used. This (change in extruders) may effect compounding of the materials and thus properties, but your supplier should have done QC testing to know product is the same. Again, this may be where
Main sprue design for mould The main sprue is the first part of the plastic melt entering the injection mold cavity. It introduces the plastic melt injected from the injection molding machine nozzle into the split runner or injection mold cavity, and its shape is conical, which facilitates the smooth flow of the melt.
Why you need mold for customizing your plastic producs? what's mold? and why do you need it? Mold is a kind of tool that form the molten plastic raw materials into designed shape and measurement, finishing, parts produced by utilizing mold is very common to see around your daily life, your phone case, most
How to be a good Injection Mold Tool Designer? To ask about "Best Injection Mold Tool Designer" you must quantify what specific type(s) of tooling you are most interested in. Since this thread is under Injection Molds, I would add that the typical tool designers are experienced with certain industries and thus are familiar
How to avoid sink mark while injection molding plastic products? Intuitionally part thickness uniformity is often attributed to sink marks, but most researchers have concluded that such conception is very vague or subjective! Instead it is part thickness distribution with respect to injection point (gate) towards the extreme point on the melt flow path
Estimated ejection force formula From the book "Injection Mold Design Engineering - David O. Kazmer", Estimated ejection force is calculated by using formula: Feject = µfric . cos (draft) . E . Ctermoexpand . (Tsolid - Tejection) . Aefect . The same could be used for slide calculation force. From this you can see
The reason causes mold with hot runner leakage Is the leakage on the outside of the mold or internally. Possible causes for external leaks are worn probe seals or improper cleaning when being maintenance. Internal leakage may be caused by shooting through when manifold in not fully up to temp or wear on the
INFLUENCE OF INJECTION MOLDING PROCESS CONDITIONS ON PLASTIC PRODUCTS Plastic material The complexity of the properties of plastic materials determines the complexity of the injection molding process. And the performance of plastic materials varies greatly because of different varieties, brands, manufacturers, and even batches. Different performance parameters may lead to completely different molding results.
INJECTION MOLDING PROCESS FOR PP PLASTICS “Plastic properties are the basis of injection molding technology”. Mastering the technological properties and characteristics of various plastics is a basic professional knowledge that every injection molding worker must know. The performance of plastics is the basis for setting “injection molding process conditions”. It is also the reason
