Automotive injection molding materials

Automotive injection molded parts are made from a variety of materials, and the specific choice depends on the application, performance requirements and cost considerations of the injection molded part. Our company uses high-quality plastic raw materials in the selection of injection molding materials for automobile parts to ensure the quality, safety and reliability of automobile parts. The following are the raw materials we most frequently use in the production of automotive injection molded parts:

1. Acrylonitrile styrene-butadiene rubber (ABS): ABS plastic is the most used. According to different characteristics, it is divided into high impact ABS, ultra-high impact ABS, high rigidity ABS, electroplated ABS, transparent ABS, and chlorinated blended ABS. etc., commonly used in automotive interiors, dashboards, fenders, door trims, etc.
2. Polypropylene (PP): Polypropylene is a lightweight plastic with high heat resistance, flexural resistance and the lightest density. In the automotive field, it is mainly used in injection molded parts and automotive decorative structural parts, such as instrument panels, Battery housing, door panels, center console and seat components. It has good wear resistance and chemical stability.
3. Polystyrene (PS): Polystyrene is commonly used in automotive components such as trim, interior panels, and lampshades. It is characterized by its economical price and easy processing, but it is relatively fragile.
4. Polyurethane (PU): Polyurethane is widely used in components such as car seats, steering wheels, and body impact bumpers, and is popular for its flexibility and durability.
5. Polycarbonate (PC): Polycarbonate has high strength and high heat resistance and is commonly used in automobile lampshades, mirrors and other transparent parts.
6. Polyamide (PA): Polyamide plastics, such as nylon, are used in the manufacture of automotive driveline components, fuel tanks, and pipes.
7. Polyester resin (PET): Polyester resin is used in the automotive industry to make car seat fabrics and interior trim components.
8. Polyetheretherketone (PEEK): PEEK is a high-performance engineering plastic used in automotive high-temperature and high-pressure applications such as engine components.
9. Silicone: Silicone is mostly used in automotive seals, O-rings, thermal pads and other applications. It is popular because of its high temperature resistance, chemical corrosion resistance and good elasticity.
10. Glass Fiber Reinforced Plastic (GFRP): GFRP is used to make the shell, body, and structural components of automobiles and is suitable for improving fuel efficiency due to its high strength and lightweight.
11. Carbon Fiber Reinforced Plastic (CFRP): CFRP is a lightweight, high-strength material used to manufacture components for high-performance automobiles, such as racing cars, supercars, and components for high-end luxury vehicles.

Different materials have different characteristics and can meet the safety, durability, lightweight, cost-effectiveness and other requirements of automotive injection molded parts. Therefore, when selecting injection molding materials, you need to make informed choices based on specific design and application requirements.

Advantage

Automotive injection molded parts themselves have many advantages. With the improvement of injection molding manufacturing technology, the strength and stiffness, sealing, wear resistance and corrosion resistance, dimensional accuracy, surface quality and durability of automobile injection molded parts are constantly improving. . These improvements in performance ensure that automotive injection molded parts can meet the needs of cars under different working conditions and ensure the safety, reliability and performance of cars.

1. Lightweight, reduce the weight of the vehicle body. One of the first advantages of using plastics in automotive materials is their light weight, which can reduce the weight of the car body. Lightweighting is a goal pursued by the automotive industry. For this reason, injection molded parts are the first choice.
2. It is easy to form and is conducive to the processing of complex components. For some parts, complex processes are required and there are many steps. However, plastic-processed parts are easy to form, the processing time is short, and the precision is guaranteed.
3. It has strong elastic deformation characteristics and can absorb a large amount of collision energy. If the car body encounters a strong impact, it can buffer and play a great protective role.
4. Improve comfort. Because the plastic products used in automobile injection molded parts also have the characteristics of attenuating vibration and absorbing noise, they are softer than metal products, which can bring a better experience and improve riding comfort.
5. Strong corrosion resistance. The corrosion resistance of plastic products to acids, alkalis, salts and other substances is higher than that of metals. Using plastic as car body coverings is very suitable for use in highly polluted environments, and can better protect the car body and reduce the chance of corrosion and rust.

Mindwell’s quality control

The professional quality management personnel of Mindwell Company have an in-depth understanding of the quality work of automotive injection molded parts.
Managers use regular or unscheduled inspections as a means of supervising the daily production report. They sort out the defective ratio of each product during the production process. The technical team within the workshop conducts statistics and review of the top three defects of the product, and Continuous improvement of undesirable phenomena has never stopped.
Our company attaches great importance to quality control. As mentioned above, it is one of the daily tasks of our managers. In terms of quality control, from material testing, production monitoring, to final inspection before final shipment, we can 100% ensure that each product All meet high standards.

Applications of automobile injection molded parts

Automotive plastic parts are divided into three categories: interior parts, exterior parts and functional parts. Interior parts emphasize touch, feel, comfort and visibility, while exterior parts require high strength, high toughness and resistance to environmental conditions. and impact resistance properties, etc.

• Automotive interior: Automotive interior injection molded parts include seats, door inner panels, dashboards, steering wheels, car ceilings, rear panels, hoods and floor mats, etc.
• Automobile appearance: Automobile appearance injection molded parts include bumpers, lights, window trims, door handles, radiator grilles, etc.
• Automobile functional parts: Engine compartment and chassis injection molded parts include engine hoods, engine decorative covers, brake pedals, fenders, air intakes, car light housings, etc.

Why choose our company

Our company provides customers with customized options and can perform mold design, product design and mass production, assembly and other services for injection molded plastic auto parts as required. One-stop solution to facilitate your purchasing needs. We are willing to provide you with samples for testing, and our technical engineers will also provide you with professional technical support during the design stage to ensure that our car components meet the requirements and are of high quality. If you have any needs for customized automotive injection molded parts, please feel free to contact us. We will reply to you as soon as possible and give you a detailed quotation plan.

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At Mindwell, we implement fully customized process solutions for electronic plastic enclosure box material selection, mold design, processing technology, surface treatment and quality inspection. You only need to give us the drawings and we will customize the electronic enclosure you need.

Material selection

When selecting plastic raw materials for use in electronic and electrical enclosures, there are several key factors to consider to ensure the material can meet the requirements of the device. Commonly used plastic materials such as ABS, PC, PP, etc. have excellent properties in all aspects to ensure product performance and quality.

High temperature resistance

Electronic and electrical equipment usually generates a certain amount of heat, so the housing material must be able to withstand high temperature environments without deforming or melting. PC (polycarbonate) excels in this regard, as it has a high heat resistance and is able to withstand higher temperatures without losing stability.

Corrosion resistance

Electronic devices can be affected by a variety of environmental factors, such as chemicals or humidity. Therefore, the outer shell material must have good corrosion resistance to protect the internal circuitry from damage. In this regard, both PA (polyamide) and PBT (polybutylene terephthalate) excel because of their high chemical stability.

Mechanical strength

The enclosure must be able to protect the electronic components inside from physical impact and damage. ABS (acrylonitrile-butadiene-styrene copolymer) is a commonly used material that has excellent toughness and strength and can effectively withstand mechanical stress and impact.

In general, when selecting plastic raw materials for electronic and electrical housings, factors such as high temperature resistance, corrosion resistance, and mechanical strength can be comprehensively considered. Commonly used plastic materials such as ABS, PC, PA and PBT can meet these requirements and have the characteristics of good toughness, high strength, wear resistance and temperature resistance. They can provide reliable shell materials for electronic and electrical equipment. The specific materials are based on Electronic equipment needs to be customized for selection.

Electronic plastic housing design

The design of electronic plastic housing plays a very important role in electronic and electrical equipment. It is not only a simple shell that protects the external environment and internal components, but also relates to aesthetic appearance, ergonomics and user experience.

• Protect internal circuits and components: The most important thing is to ensure that the internal circuits and components are protected from damage by the external environment, such as dust, moisture, physical impact, etc. Electronic enclosures must provide adequate protection to ensure the reliability and durability of the equipment.
• Beautiful appearance: Appearance of the device An attractive design can increase the appeal of the product and attract more potential users. The look, color, and texture of the case can all become part of the brand identity and help build brand recognition.
• Ergonomics: The design of the enclosure must take into account the user’s usage habits and comfort. Ergonomic case design makes the device easier to hold, carry and operate. A good human-machine interface design can improve user satisfaction and convenience.
• User experience: The design of the device’s casing directly affects the user experience. Easily accessible buttons, interfaces, and displays, logical layout, and clear signage can all improve the user interaction experience. A good casing design can make users feel happy and increase their favorability of the product.

Housing design is very important to the success of electronic and electrical equipment. It is not only related to the protection and performance of the equipment, but also to user experience and market appeal. Therefore, in the product development process, full attention should be paid to the design of electronic housings, and mold design is the top priority for mass production applications of electronic housings.

Processing technology

The manufacturing process of electronic and electrical housings usually uses injection molding, which is a widely used and efficient method for manufacturing plastic parts.

1. In injection molding, parameters such as material dissolution temperature, injection pressure, and injection speed need to be controlled to ensure the quality and accuracy of the shell.
2. The injection molding process involves multiple steps, including injection molding, cooling and demoulding. During the injection molding process, the plastic material is heated and injected into the mold, and then the plastic solidifies during the cooling stage. This process requires strict control of each step and precise control of the progress.
3. After the injection molding process, surface treatment is required. This can include spraying, electroplating, silk screen printing, laminating and other processes to improve the surface finish, flatness and durability of the shell. These surface treatment processes not only improve the appearance, but also increase the product’s corrosion resistance and wear resistance.

Generally speaking, the manufacturing process of electronic and electrical housings is a complex process involving multiple steps and parameter control. The final quality and performance of the enclosure also relies on precise control of the machining process and surface treatment. Through reasonable process and quality control, it is possible to ensure the production of high-quality electronic and electrical housings to meet the customized requirements for customized electronic plastic housing products.

Applications of electronic and electrical enclosures

Plastic shells are also widely used in electronic equipment, mainly in the following industries:
Mobile phones and tablets:

• TV and remote control
• Speakers and speakers
• Electronic game consoles and controllers
• household appliances
• medical equipment
• PCB panel
• industrial equipment

In addition, there are many electronic and electrical casings that use plastic injection molding processes. Plastic casings for electronic and electrical appliances play a key role in many electronic devices. They not only provide the function of protecting internal circuits and components, but also pass appearance, texture and design Provides users with a pleasant user experience.

Plastic casings for electronic products are one of the most commonly produced products by injection molding, because the use of plastic casings in electronic appliances is very common. We have more than ten years of production and processing experience in this area and can meet any of your customized needs. We Providing one-stop on-demand customized services in product design, mold design and mass production, surface treatment, assembly and packaging, you are welcome to contact us.

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The process flow of custom injection molding products

Injection molding is a complex process. From raw material selection to injection molding to packaging and shipment, we strictly implement quality control and good after-sales service. The main process flow is as follows:

1. Material preparation: First, according to your drawings or samples we will select plastic materials suitable for your products. We have good suppliers who can ensure the quality of our plastic raw materials. Then these plastic materials are in the form of granules or powder present and ready in the hopper of the injection molding machine.
2. Heating and melting: The plastic material is delivered to the injection molding machine and then heated in the heating cylinder. When a material reaches its melting point, it becomes a flowable liquid.
3. Injection molding machine: Choose the appropriate injection molding machine, install the designed mold, and inject the molten plastic into the mold. The mold is designed according to the shape of the product, and all products can be made into the desired shape. Injection molding machines use high pressure to push molten plastic into the mold. High pressure can make the liquid plastic raw materials distribute more evenly.
4. Cooling: Once the plastic enters the mold, it will begin to cool, gradually hardening into the shape of the product. Cooling time depends on product size and thickness.
5. Mold opening and ejection: The mold is normally divided into an upper mold and a lower mold. After the product is cooled, the mold will separate, and then the finished product will be ejected from the mold. The injection molding machine can be set up through these steps, and our equipment is the most advanced injection molding equipment currently available.
6. Quality inspection: Finished products will undergo strict quality inspection, including appearance, size and functionality. We ensure that every product meets quality standards.
7. Post-processing: Sometimes products require post-processing such as trimming, polishing, painting or assembly. This depends on the product’s characteristics and requirements.
8. Packaging and Delivery: Finally, the product is packaged to ensure it remains intact during shipping and storage. They will then be delivered to you as per your request.

Designed to ensure a high-quality product, the entire injection molding process is carefully controlled and monitored from material preparation to final delivery. And we will communicate with you in real time and give you videos or pictures of the process. Our goal is to provide you with satisfactory finished products, meet your needs and expectations, and become long-term partners and friends.

Product customization and mold design for injection molding

Preparation work before design:

• You can provide design sketches, CAD files or basic specifications of your product.
• Familiar with injection molded parts, including their geometric shapes, injection molding usage requirements, raw materials for injection molded products, etc. Based on this
• information, engineers begin planning the design of the product.
• Check the molding processability of customized injection molded products.
• Clarify the model and specifications of the injection machine.

Develop molding process

• Product overview, such as diagram, weight, wall thickness, projected area, overall dimensions, presence of undercuts and inserts.
• The plastic raw materials used in the product, such as product name, model, manufacturer, color, and drying conditions. and share this information with you.
• The main technical parameters of the selected injection machine, such as the relevant dimensions between the injection machine and the installation mold, screw type, and power.
• Injection machine pressure and stroke.
• Injection molding conditions, such as temperature, pressure, speed, clamping force, etc.

Injection mold structure design steps

• Determine the number of cavities.
• Select the parting surface.
• The mold must be designed to accurately match the shape and size of the product to ensure a high-quality product is produced. After completing the mold design, the manufacturer
• begins manufacturing the injection mold.

Sample making

Once the mold is manufactured, samples or sample batches are first made. We will send these samples to you or help you directly test and verify whether the design meets the requirements and whether any adjustments or modifications are needed.

mass production

• After the sample is approved, the mass production phase will begin. The plastic pellets will be heated and melted in the injection molding machine and then injected into the mold to form the shape of the product.
• Depending on the nature of the product, post-processing work may be required, such as trimming, polishing, painting or assembly.
• Injection molded products will be properly packaged to ensure they are not damaged during transportation and storage. They will then be delivered as per the customer’s requirements.

Throughout the process of customizing injection molding products and mold design, all departments of our company work closely together to provide professional advice based on your needs to achieve the best product design and production process, ensuring that the final product meets your customized requirements and maintains the high quality of injection molded parts. Quality and consistency.

Injection molding process

1. Injection molding
2. Insert injection molding
3. Two-color injection molding
4. Microfoam injection molding process
5. Nano Injection Molding (NMT)
6. Blow molding
7. Extrusion molding (profiles)

Injection molding product applications

Injection molded products have a wide range of applications. At Mindwell, the injection molded products we produce are most commonly used in the automotive and electronic equipment industries. Secondly, it plays an important role in the toys, industrial equipment, and construction industries. No matter what industry you are in, as long as you want to manufacture the plastic injection molding products you want through injection molding, you are welcome to contact us at any time. Our engineers and sales team will provide you with professional services and solutions.

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Custom Automotive Injection Molded Parts

We can provide custom injection molding services, our team of expert technicians and engineers will work with you, our technicians and engineers expertise in design, engineering and tool making to ensure that our products can meet your specific needs, designed The right part and create a product that meets your expectations.
Our company is also equipped with advanced machinery and uses the latest injection molding technology to ensure the production of durable, precise and long-lasting automotive injection molded parts for you.

Additionally, we know that time is of the essence and we strive to provide a fast turnaround time on all projects. We’ll connect quickly and get you a quote quickly, while still producing high-quality parts that meet your exact requirements.

Parameter

• Model material: NAK80, S136H, 718H, 738, P20 etc
• Drawing format: CAD, Proe, Solidwork, STP, IGS, PDF, AI etc.
• Plastic Raw Material: PP, PA6, PLA, as, ABS, PE, PC, POM, PVC, Pet, PS, TPE/TPR
• Certification: ISO9001, ISO14001, IATF16949

The use of injection molding in the automotive industry and retrofitting

• The use of injection molded parts in automobiles can not only improve the precision and stability of automobiles, but also reduce the cost of automobile manufacturing, and most importantly, it can better protect the environment. Therefore, injection molded parts have become an indispensable production method in the automobile production process. In the future, the application of injection molding technology in the field of automobile manufacturing will still have broad prospects for development and wide application.
• In the molding process of injection molded parts, precise molds and high-quality plastics can be combined to make the final molded parts more stable in quality and more accurate in size.
• Injection molded parts can greatly reduce the cost of automobile manufacturing. Compared with other production methods, the production cost of injection molded parts is lower, and it is efficient and fast.
• Mass production can be realized by using the injection molding process, which greatly reduces the production cost and improves the production efficiency of the automobile.
• Using injection molded parts can make car manufacturing more environmentally friendly. The injection molding process not only has an efficient production method, but also can recycle raw materials, reducing environmental pollution.

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At Mindwell, we provide injection moulding solutions. Our firm produces plastic injection-molded components, casings, accessories, and other customised items for a range of sectors. It can process and produce injection-molded components of various sizes thanks to its 50–1300-ton injection moulding machines. We closely monitor quality inspections as we customise manufacturing for clients. To guarantee the quality of raw materials, we start with the selection of injection moulding materials and demand suppliers of each material to provide the necessary certificates.

From mould design and development to mass manufacturing, Mindwell offers all-in-one on-demand services that may effectively reduce costs and provide you with competitive pricing while guaranteeing product quality. Additionally, the whole service system allows us to guarantee regular manufacturing and sales development by giving you prompt estimations and on-time delivery. Our skilled team of engineers and after-sales managers oversees the project from start to finish. All emails are forwarded to the engineers, enabling prompt and efficient communication between production and design, as well as the resolution of technical issues and concerns about product quality. in a timely way.

customisation process

We provide surface treatment, assembly, debugging, and other services for bespoke injection moulded products.

• Design specs: You may provide us with the material, size, colour, and other parameters for the injection-molded components you desire, along with the design requirements.
• Quotation cooperation: We designate technical experts to assess the injection-molded components in accordance with your specifications. Fast quote and expert guidance
• Manufacturing of moulds: Following confirmation of collaboration, we will begin producing the moulds needed for the injection-molded components.
• Production and prototyping: The client may ask the manufacturer to handle production and proofing after the mould has been created.
• Production: The sample will be sent to you. Once the test meets your expectations, we may go on with official mass manufacturing.
• Quality control: To guarantee that the goods fulfil client specifications and standards, we strictly verify the injection moulded parts throughout the manufacturing process. This includes checking the parts’ size, appearance, performance, and other aspects. We will also provide you with real-time updates on the product’s manufacturing process.
• Packaging and Shipping: The manufacturer will package the injection-molded components and make shipping arrangements after the quality inspection is finished. To prevent damage during transit, injection moulded components are often packaged in wooden boxes, cartons, or bubble wrap.

Application

Because our company provides customized injection molding services, the application of injection molding parts is also very wide, and we can provide the required injection molding parts according to requirements, so the injection molding products we produce are widely used in various industries. For example, the common ones are as follows:

1. Automobile industry: The injection molded parts of automobiles are the most used, such as the air outlet of automobile air conditioner, rearview mirror housing, interior parts, main control housing, etc.
2. Electronic appliances: Injection molding products are often used in the field of electronic appliances, including casings and buttons of electronic products such as mobile phones, TVs, and computers.
3. Furniture products: Some plastic products commonly found in household products, such as chairs, tables, washing machine shells, vacuum cleaner shells, etc., are usually injection-molded products.
4. Medical devices: There are many medical devices, such as syringes, infusion sets, medical device casings, etc.
5. Security series: camera housing, camera accessories, etc.

Quality Assurance and Customization

Producers of plastic injection moulding goods have strict quality control procedures in place to guarantee product quality. This entails assessing the final products for dimensional correctness and strength, keeping an eye on process parameters, and routinely inspecting the moulds. Manufacturers may also add elements like logos, textures, and colour variants to further personalise the items.

Environmental Considerations

It is possible to develop and produce plastic injection moulding items with the environment in mind. To increase the product’s eco-friendliness, manufacturers may add biodegradable additives or utilise recycled plastic components. Moreover, the procedure itself produces very little waste since extra plastic may be recycled or repurposed.

Conclusion

Numerous benefits come with plastic injection moulding goods, such as large production quantities, material diversity, and the capacity to manufacture intricate forms. These goods are widely used in many different sectors and are essential to our day-to-day existence. Manufacturers may keep offering creative and environmentally friendly plastic injection moulding solutions by maintaining quality control and taking environmental considerations into account.

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