Euromicron Mould Engineering Limited was found in 1995

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OEM ODM car door molding grilles one-stop service supplier for merchant

OEM ODM car door molding grilles one-stop service supplier for merchant

Product Name
loudspeakerpart
Product size
217*206*30mm
Material
PC+ABS
Cavity
1*1
Cycle time
39S
Customer
QIANTU
Price
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Quantity Needed:
Pieces
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Product Information of OEM ODM car door molding grilles one-stop service supplier for merchant
Company Advantages
1. Euromicron Mould injection molded parts is manufactured by a team of engineers who are experienced in industrial refrigeration, fluid pumping, and heat transfer in the refrigeration equipment industry. One-stop solutions are offered for the product, including design, manufacturing, and assembly
2. The product only consumes less electricity to maintain the surrounding temperature, in-turn saves on much energy costs for people. The product is mainly exported to Europe and North America
3. Performance such as injection molded parts make it meet requirements in car door molding market. Its design is supported by the professional project engineers who follow up the specific progress
4. injection molded parts ensures car door molding to be operated on the safe side. The surface of the product adopts scratch-resistant coating
5. As might be expected, car door molding have the characteristics of injection molded parts . The product stands out with its excellent dimensional consistency


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◇◆ Mold introduce


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This is a loudspeaker cover, which is used in QianTu car. The material is PC+ABS. The size of the part is 217*206*30mm. There are many small holes and thin ribs on the part. There are two stamps with month and years. The marks are recycle and name of plastic material. And five hooks are used to fix on the frame of loudspeaker. The finish is grain (VDI 3400 ref 30) on viewable surface and polished on the inner surface. No flash、injection gate、ejector mark and fault are allowed on the viewable surface. To produce the part, it need a injection mold with good venting and good finish.

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A mold with one cavity and hot runner system was built to produce the part. Five angular lifters were designed to form the hooks. The mold was cooled by cooling water. The cycle time was about 39 seconds. The part was ejector out by round ejecting pins. For the mold, the most important was to manufacture the area with small holes and the thin ribs. Core insert can't be milled by CNC and polished because there were too compact small holes and thin ribs.

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So it needed to make graphite electrode to do EDM. The finish of the surface is 4u-6u Rmax.In this way, the part can demould smoothly without polished. To get good surface of the electorde, it was very import to choice the graphite grade. The graphite must be high strength and fine particles. The size of the particles was about 1-5μm. Too many holes had an effect on flowing of the plastic material when injecting. It was easy to cause venting issue.

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So it needed a good venting system in the mold. So that some venting inserts were designed in the core side of the mold. To get the viewable surface with EDM texture VDI 3400 ref30, a big copper electrode was made to do EDM. It was a high precision electrode. Also it was done in a good EDM machine. To make lifters moving smoothly, the holes of the lifters were made by slow wire cutting. And a copper guide block was designed for the lifter.



Company Features
1. Relying on years of experience and excellence in manufacturing car door molding , Euromicron Mould Engineering Limited holds a safe lead in the market.
2. We've been focusing on manufacturing high quality kfz automobile for domestic and abroad customers.
3. We try to deliver on expectations and to be the trusted one to design, produce, and deliver high-quality products for our customers and consumers and to provide outstanding service.
Product Message
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