Injection Molded Manufacturing Products: Automotive Plastic Parts

author: Universe plastic

2024-04-30

With the development of materials, the application of plastics in automobile parts has gradually increased, which has brought continuous innovation challenges to the automobile manufacturing industry. Replacing the reliability and durability of metal with plastic can create more cost-effective automotive products while meeting automotive performance requirements.

The injection molding process plays an important role in the manufacturing of automotive plastic parts. Many automotive plastic parts are produced through the injection molding process. Here are the details about injection molding to manufacture automotive plastic parts:

Injection molding automotive plastic parts from different materials

	Features	Auto parts application
ABS	Impact resistance, heat resistance, beautiful appearance	Instrument panel, door interior panel, center control panel, bumper, air intake grille
PC	Impact resistance, heat resistance, high transparency, high gloss, UV resistance	Instrument panel, center control panel, car light housing, air intake grille
PP	Impact-resistant, wear-resistant, comfortable to the touch	Instrument panels, door interior panels, bumpers
PVC	Wear-resistant, weather-resistant, comfortable to the touch	door interior panels
PA	High strength, wear-resistant, easy to process	seat parts
POM	High strength, wear-resistant, easy to process	seat parts
PMMA	High transparency, impact resistance and heat resistance	car light housing

Injection molded automotive plastic parts

Injection molded automobile parts manufacturing process

1. Raw material preparation

Choose the appropriate plastic material according to the performance requirements of the product, such as ABS, PP, PC, etc.

2. Mold design and manufacturing

Design molds according to the shape of automotive products, and use CNC processing, EDM and other technologies to manufacture molds. The final assembly test mold is used to obtain the injection molding sample. Whether the sample is qualified or not is an important factor in the completion of mold manufacturing.

3. Injection molding production

Professional engineers dry and process the raw materials, then load the injection molding machine and mold, heat the plastic material to a molten state, inject it into the mold, and cool it to form.

4. Pressure cooling

The material cools and solidifies in the mold, and the formed plastic part is removed from the mold.

5. Processing

Remove excess burrs and flash to ensure accurate product appearance and dimensions. Surface treatment is carried out according to needs, such as spraying, polishing, silk screen, etc.

6. Quality inspection

Check the appearance, size and performance of the product to ensure it meets customer requirements.

Advantages of injection molding to produce automotive plastic parts

1. Injection molding manufacturing is very suitable for mass production and has high efficiency in manufacturing automotive plastic parts.

2. The injection molding process only requires making a good mold, which is cheaper than other processes.

3. It can produce multi-functional integrated components of complex shapes and sizes to improve the overall performance of the car.

4. Use advanced automated injection molding equipment to reduce manual intervention and improve product accuracy.

5. Injection molding supports a wide range of plastic materials and is suitable for the manufacturing of all automotive plastic parts.

Difficulties in the production of injection molded automotive plastic parts

1. The cost of mold design and manufacturing is high, and the initial investment is large.

2. There are many influencing factors in the injection molding process, and each production link needs to be strictly controlled.

3. Different parts have different requirements for material performance, and appropriate plastic materials need to be selected.

Summarize

Compared with traditional automotive metal parts, automotive plastic parts produced through the injection molding process can reduce costs, reduce fuel consumption, and improve aesthetics. By adopting corresponding environmentally friendly designs and technologies, its impact on the environment can also be significantly reduced.

Dongguan Universe Plastic Company has 15 years of injection molding experience, a professional engineer team, and advanced processing equipment. lProvides one-stop automotive plastic parts manufacturing services such as sample design and manufacturing, mold design and manufacturing, injection molding production, and post-processing.

If you are looking for an automotive plastic parts injection molding factory, please contact us to get the latest service quotation.

EDM processing: injection mold

The influence and control of injection molding material moisture on injection molding