Euromicron Mould Engineering Limited was found in 1995

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Loudspeaker part for the QIANTU car stereo of the speaker parts

Loudspeaker part for the  QIANTU car stereo of the speaker parts

Loudspeaker part for the QIANTU car stereo of the speaker parts

Product Name
loudspeakerpart
Product size
217*206*30mm
Material
PC+ABS
Cavity
1*1
Cycle time
39S
Customer
QIANTU
Price
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Pieces
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Product Comparison
die casting mold, manufactured based on high-quality materials and advanced technology, has excellent quality and favorable price. It is a trustworthy product which receives recognition and support in the market.The products we produce are in strict line with the . Their high quality is guaranteed through reliable material sourcing and strict QC methods.Euromicron's die casting mold has better quality than other products in the industry, which is specifically shown in the following aspects.
Company Advantages
1. car moulding is designed as injection molding automotive parts and it provides injection molded parts solution.
2. The product is characterized by electromagnetic compatibility. It has passed discharge tests and surge tests, introducing no electromagnetic interference to the environment.
3. The graphics on this product has high contrast. It can be printed with scannable barcodes, images, texts, and variable content.
4. The strong economic strength of Euromicron Mould allows to carry out strict quality assurance.




◇◆ Mold introduce


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.

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.

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.

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 has been proven by time to be a producer skilled at developing, manufacturing and selling car moulding .
2. Euromicron Mould Engineering Limited can provide all quality certificates available for auto door molding .
3. Euromicron Mould Engineering Limited will guarantee greater customer satisfaction throughout the purchasing procedure. Ask! Euromicron Mould Engineering Limited will focus on the needs of each customer. Ask! Euromicron Mould Engineering Limited aims to become the world's top brand. Ask! Euromicron Mould Engineering Limited understands more about your production needs. Ask!
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