Two color mold design and injection should pay attention to matters
Two color mold design and injection should pay attention to matters include:
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The role of hot runner in plastic mold design
The role of hot runner in plastic mold design Hot runner (HRS) is also called a hot water nozzle, which turns a solidified nozzle into a molten nozzle. Its composition is relatively simple and mainly includes a manifold, a hot nozzle, a temperature controller, etc. Among them, the manifold can be divided into I-shaped, The
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Plastic product structure design
Plastic product structure design Key points of plastic product structure design Holes that are parallel to the opening direction of the mold are usually formed with a core (can be inlaid or extended) or by punching or inserting. Holes that are not parallel to the opening direction of the mold are usually made with rows
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Solution To Weld Marks Of Injection Molding Defects
Weld mark formation mechanism Weld marks (also called water lines) are intersection marks formed when molten plastic flowing out of gates at different locations in the mold converges. The reason for the formation of weld marks is that the temperature, pressure, and speed of the molten material flowing out of each gate are not completely
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Identify injection molding recycled materials with a simple physical identification method!
Appearance method:Appearance identification mainly observes the appearance characteristics of plastic products through vision, touch, smell, etc., such as the shape, transparency, color, gloss, hardness, etc. of the product. After plastics are recycled and reprocessed, the color, gloss, strength, etc. will change. The color of plastics without recycled materials will generally be more transparent, and products
3 methods to detect internal stress of injection molded parts
Three methods to detect internal stress of injection molded parts Plastic internal stress refers to an internal stress generated during the plastic melting process due to factors such as the orientation of macromolecular chains and cooling shrinkage.When the forces and entanglements between macromolecular chains cannot withstand this kinetic energy, the internal stress balance will be
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Injection Molding Technology Guide
Injection molding principle Taking the plunger injection machine as an example, the granular or powdery plastic is first fed from the hopper of the injection machine into the barrel equipped with a heating device for heating, melting and plasticization to turn it into a viscous flow melt, and then in the column of the injection
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Eight ways to reduce injection molding processing costs
The layout of the production workshop focuses on two aspects: to meet production needs, to optimize the layout according to the production process, and to meet the requirements for flexible energy use under specific production conditions. The injection molding machine is a major energy consumer in the injection molding workshop, and the energy consumption is
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Causes Of Injection Molding Defects And Floating Fibers
When the injection molding factory tested the mold before production, all the mechanisms were running basically normally, but the product had serious appearance quality problems, with radial white marks on the surface. And these white marks became more serious as the glass fiber content increased, This phenomenon is commonly known as “floating fiber”, which is
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