Lighting tools video from VHP

 

 

 We can help you  making quality molds and VHP had huge experience in making automotive. Especially for Lighting tool


 

Below I shows you a center console tooling pictures for your reference, if you want to know our tooling quality please feel free to let me know.

 

Looking forward to hearing from your further feedback soon.

 






 

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2K tooling on Injection molding

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 Injection molding is a process that was developed based on microfabrication techniques such as LIGA, but there are of course many other methods. The LIGA process is to first produce a model required for injection molding, which is commonly known as "mold", and then pour liquid plastic into the mold, and finally separate it to form the final required product. For example, some Automotive parts have too many products. Injection mold processing is to add plastic to the mold first, and then the mold is continuously rotated along two vertical axes and heated. The plastic in the mold is gradually and evenly coated and melted and adhered to the entire cavity of the mold cavity under the action of gravity and heat energy. On the surface, it is formed into the desired shape, and it is made by cooling and setting.
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Molding Conditions of Injection Molding Machine (Part 2)

 1. Filling pressure In injection molding conditions, filling pressure refers to the pressure to fill the resin into the mold, also known as primary pressure. The unit is MPa or kgf/cm2. That is the unit of pressure. There are also some injection molding machines that set the maximum injection pressure to 100%, and then adjust the injection molding conditions by changing the percentage. (Example: 35%) If the filling pressure is too low, poor filling (underfill) will occur. If the filling pressure is too high, the parting surface may be momentarily opened by the pressure, and burrs may appear around the molded product. Sometimes poor release occurs. 2. Injection speed Injection speed refers to the speed at which molten plastic fills the mold. The unit is mm/s. When considering injection volume per unit of time, it may be stated as "injection rate", in which case the unit is cm3/s. If the injection speed is too slow, filling defects may occur; if the injection speed is too fast...
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Process and skills of mold polishing

 Polishing is a very important process in the mold making process, and it is also the final work. With the increasing use of plastic products, the requirements for the appearance quality of plastic products are getting higher and higher. Therefore, the surface polishing of plastic mold cavities The quality should also be improved accordingly, especially the molds with mirror surface and high-gloss high-gloss surface have higher requirements for the surface roughness of the mold, so the requirements for polishing are also higher. Polishing not only increases the beauty of the workpiece, but also improves the corrosion resistance and wear resistance of the material surface, and can also facilitate subsequent injection molding processing, such as making plastic products easy to demould and reducing production injection molding cycles. At present, the commonly used polishing methods are as follows: (1) Mechanical polishing   Mechanical polishing is a polishing method that remo...
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