Euromicron Mould Engineering Limited was found in 1995

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mercedes plastic part design for injection molding one-stop service supplier for businessman Euromicron Mould

mercedes plastic part design for injection molding one-stop service supplier for businessman Euromicron Mould

Mercedes plastic part design for injection molding one-stop service supplier for businessman Euromicron Mould

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
E-mail:
Company Advantages
1. Euromicron Mould has been always focusing on the careful selection of plastic part design for injection molding to make sure the automotive plastics well operated. Its structure proves to be firm and stable
2. automotive plastics developed by the company are sold well overseas. The complete after-sales service system is rendered for the product to maximize customer value
3. The product stands out for its stable operation. Since it is mainly controlled by microcomputers, it can run stably without any break. It is suitable for use in the high-temperature environment
4. The product has the advantage of stable mechanical properties. Having been treated under extremely cold temperatures, its mechanical components are tensile enough to withstand extreme industrial conditions. Vacuum packing method is adopted for the product to avoid mold rusting during transportation
5. The product will never be out of shape. Its heavy-duty components and parts are perfectly designed to withstand extreme industrial conditions. The product goes through several inspections before delivery with defects removed


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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. Euromicron Mould Engineering Limited, established in the mainland, China has extensive experience in manufacturing plastic part design for injection molding and has gained a good reputation. Euromicron Mould Engineering Limited continues to enhance its competitive advantage by training and improving its faculty members.
2. Euromicron Mould Engineering Limited has invested in the construction of its own automotive plastics production base.
3. Our high-technology automobile parts is the best. With huge inventory, complete specifications and stable supply, Euromicron Mould Engineering Limited will definitely give customers the best. Call now!
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