The viscosity of plastics and the influence of standards on viscosity,The characteristics of molten plastic that rub against each other in the middle of biomolecules during the flow of molten plastic...
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Polypropylene (PP) injection mold processing technology,PP is a transparent, semi-crystalline thermosetting plastic with high toughness, good dielectric strength, low water absorption, high thermal deformation temperature...
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Dimensional stability and the ability to maintain tight tolerances on finished machined parts. Often, when a customer is experiencing dimensional movement, the cause is not one or the other, but a combination...
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Cracking, including the surface of the parts filamentary cracks, micro-crack, top white, cracking and caused by the parts sticky mold, runner sticky mold or trauma crisis, according to the cracking time is divided...
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TPE material injection molding prone to problems and solutions!TPE injection molding process refers to the processing of tpe materials to synthesize polymers. Appearance is affected by many factors, in its production...
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8 scorching, airlines,Analysis of the causes: generally known as scorching (Burn Mark) includes the surface of the product due to plastic degradation resulting in discoloration and the filling end of the product...
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Plastic shrinkage is the problem of plastic shrinkage,1. Four kinds of plastic shrinkage,Thermal shrinkage, phase change shrinkage, orientation shrinkage, compression shrinkage and elastic recovery...
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ABS plastic has large mechanical strength and good overall performance, in the electronics industry, machinery industry, transportation, construction materials,
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1. Barrel temperature.The melt temperature is very important and the injection cylinder temperature used is only a guide. The melt temperature can be measured at the injection nozzle or by using the air injection method...
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Blow-molded products are hollow; injection molding has an injection port, so a small part of the product will be cut off after molding, but if you look closely, you can still find it.Injection molding...
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1. Recycled low-density polyethylene (LDPE) process,LDPE, the scientific name for high-pressure polyethylene, is generally referred to as plastic packaging film. Such as woven bag liner film, food packaging film...
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At present, as product designers, our plastic parts design stays on the number mold design, and more productive process design is at the plastic parts suppliers. But to achieve reasonably or even the best design...
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Injection molding machine tuning is a necessary skill for injection molders. Although many tuning techniques are based on theory, reliance on experience is indispensable. In this article, we have...
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There are two templates on top of the injection molding machine, one is not moving, called fixed template the other one can be moved, called moving template. The mold is fixed on these two templates by screws and pressure plates respectively. When the mol
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Two-color injection molding is to uses two types of plastic injection for one part.Broadly speaking, two-color injection molding includes over-molding, which is achieved by injection molding twice with a common injection molding machine...
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There are thousands of designers who design injection molded parts, but there is an elite group of people in this large community who can design parts for injection molders. Injection-molded product...
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The first part of this article detailed five of the ten main design-related parameters that affect the quality of injection molded parts: material selection and consequences, critical tolerance, dent marks...
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I. Preface,When we receive a new pair of molds need to prove the mold, we are always eager to try out a result earlier and pray for a smooth process to avoid wasting time and causing trouble...
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Phi front, also known as flying edge, overflow edge, overflow material, etc., mostly occurs in the mold's parting position, such as the mold parting surface, the sliding part of the slider...
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General product surface gloss defects can be divided into the following three kinds: mold failure. Improper control of molding conditions. Improper use of molding materials...
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Open clamping mold is the most prone to vibration, and vibration has a greater impact on the life and stability of the machine, so please note the following when adjusting the open clamping mold: slow mold opening speed...
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The mold industry is a basic industry in the manufacturing industry, is the basis for the transformation of technological achievements, and at the same time itself is an important area of high-tech industry...
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I. TerminologyCracks on the surface of molded products are called cracks.Figure 1 Crack diagram,II. Failure analysis and troubleshooting method1. 1. The residual stress is too high. In-mold design and production, the direct...
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The reason why all-electric injection molding machine is popular in the market is that it has the performance that cannot be achieved by the all-hydraulic injection molding machine, mainly in...
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I. What is bad gate cutting,It refers to the connection between the molded parts and the main runner when molding with a pointed gate, etc. Main runner. It is a phenomenon that the gate of the manifold...
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