China Hot selling Heat-Resistant Auto Parts PC Bracket Injection Molded Parts

Product Description

Product Description

Professional High Precision Plastic Injection Mould Factory
Mould material P20, 718, NAK80, S316H
Hardness of steel Vacuum quenching, nitride, hrc41-47, hrc46-50, hrc60
Mould base LKM, HASCO
Mould cavity Single / Multi
Runner system Hot / Cold
MoInjection machies equipments According to product precision to choice the different model 100T,128T,150T,200T,250T,368T,450T injection machine.
Inspection 100% inspection by QC, QA before shipping.
Fast mould design Can be within 1-3 working days after getting customer’s drawings
Lead time Plastic moulds : 3- 6 weeks after getting the mould design confirmation
Mould testing All of the moulds can be well tested before the shipments. Videos for moulds trial running are available.
Minimum order Small orders for injection moulding can be accepted
Production capacity 50 sets/month
CAD for quote Step.& dwg.
Mould life 100-500K shots
After sales service Available by our staff with more than 10 years of working experience in this field

 

Product Show

CNC Plastic Precision Mechanical Dummy Prototype 1. CNC ABS part
2. CNC PC clear part
3. CNC plastic part
4. CNC machining prototype
5. Vacuum casting molding
6. Vacuum casting TPU part
7. Silicon rubber molding partpart
8. Small production by SLA/vacuum casting
Plastic material ABS, PP, PC, POM, NYLON, TPE, TPU etc
Color RAL/PANTONE color
Prototype surface finish Polishing finish,Texture Finish,Glossy Finish,Painting,Slik print,Rubber Painting etc

Manufacturing Ability

Our Service

ScHangZhou & 3D drawing can make a 3D drawing through scHangZhou machine with sample
CNC Machining prototype ABS, PC, Nylon, good strength, same material features as injection parts
SLA & 3D print prototype cost effective for part show or design test
Vacuun casting mold/Silicon mold for TPU or rubber material, color part available
Plastic injection mould soft tooling or production mould, can do switch runner at single tool to save tooling investment
Injection moulding parts ABS, PC, POM, TPU, overmolding parts, can provide painting or logo print service
Advantages Confidentiality Signed NDA documents to ensure all your information discussed be confidential. We will also train the staff with detailed regulations and not showing the staff full data if not necessary.
Initiative
communication
Through many years cooperation with our partners, we are confident to provide you satisfied quality with a reasonable price. Not only providing satisfied quality and on-time delivery, but we also have a dedicated and initiative staff for every issue happened in the process.
Efficient service For some urgent issues, we provide 7*24 hours for timely feedback.We will reply your mail within 12 hours or earlier since our team members are energetic and all using smartphone devices.Please add our or for better communication
Advantage in price We are also happy to follow up your other projects which need outsourcing service, what we think is to save your plant visit cost and transportation cost etc. Our team’s goal is to work hard to find out the best price with good quality products for our
customers and achieve more trust and confidence on both sides

 

Packaging & Shipping

Delivery Method: Payment Terms: Warranty Period:
Sample by Express Courier, such as DHL, Fedex,UPS, TNT, EMS etc.; Bulk Order by Air, by Load or by Sea; We accept TT, western union, paypal, moneygram, Escrow , (if you prefer other ways ,pls let us know) We cherish every cooperation chance, and treat customer as friend. Production quality will always be same with sample test. For defected goods, we will re-produce and ship out for replacement

Company Profile

Why Choose Us

FAQ

Q1:What is your business scope?
A1: Our factory provides CNC plastic prototype, Plastic injection mould, moulding production, logo print and color painting.

Q2:Can you help to share an idea for a new product?
A2: Yes. We are always happy to cooperate with potential customers to evaluate the technical feasibility. Like, choose the right material, optimized the design, DFM report, and building cost etc.

Q3:Can you make double color injection mold or over-molding mould?
A3: Yes, we can. Have made lots of double color molds for brand earphones.

Q4:Which country do you frequently work with?
A4: Our customer groups mainly from USA, Canada, Mexico, Australia, Japan, Singapore, India, Israel etc.

Q5:How to have my components quoted?
A5: Please share us your drawings with 3D format (.STEP or .IGES files) and detailed BOM sheet. We are pleased to CHINAMFG the NDA with your company.

 

Q6:Can I have precision prototypes for testing before tooling design?

A6: Sure, our factory can prepare the prototype with surface finish and color painting, either CNC machining or SLA 3D printing is available.

 

Q7:What is the lead time for CNC prototypes?
A7: It is about 4 to 7 days for qty less than 5sets, and 7 to 12 days for qty above 10sets. Before painting process, we will polish and test part assembly, and then share video for confirmation.

 

Q8:We’ve decided to go ahead for the project. How long will it take to get T1 parts?

A8: It takes 3 to 4 weeks to have the mould/tooling manufactured well before first tooling trial. Once the part quality approved with good quality by your side, you can expect parts delivery within 2 weeks.

 

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Material: ABS, PP, PC, POM, Nylon, TPE, TPU etc
Application: Medical, Household, Electronics, Automotive, Agricultural
Certification: ISO
Mold Standard: Lkm, Hasco, Dme or Upon Customer′s Requirement
Mold Material: P20, 718, Nak80, S316h
Production Material: ABS, PP, PC, POM, Nylon, TPE, TPU etc
Customization:
Available

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Can you explain the role of temperature and pressure in injection molding quality control?

Temperature and pressure are two critical parameters in injection molding that significantly impact the quality control of the process. Let’s explore their roles in more detail:

Temperature:

The temperature in injection molding plays several important roles in ensuring quality control:

1. Material Flow and Fill:

The temperature of the molten plastic material affects its viscosity, or flowability. Higher temperatures reduce the material’s viscosity, allowing it to flow more easily into the mold cavities during the injection phase. Proper temperature control ensures optimal material flow and fill, preventing issues such as short shots, flow marks, or incomplete part filling. Temperature control also helps ensure consistent material properties and dimensional accuracy in the final parts.

2. Melting and Homogenization:

The temperature must be carefully controlled during the melting process to ensure complete melting and homogenization of the plastic material. Insufficient melting can result in unmelted particles or inconsistent material properties, leading to defects in the molded parts. Proper temperature control during the melting phase ensures uniform melting and mixing of additives, enhancing material homogeneity and the overall quality of the molded parts.

3. Cooling and Solidification:

After the molten plastic is injected into the mold, temperature control is crucial during the cooling and solidification phase. Proper cooling rates and uniform cooling help prevent issues such as warping, shrinkage, or part distortion. Controlling the temperature allows for consistent solidification throughout the part, ensuring dimensional stability and minimizing internal stresses. Temperature control also affects the part’s crystallinity and microstructure, which can impact its mechanical properties.

Pressure:

Pressure control is equally important in achieving quality control in injection molding:

1. Material Packing:

During the packing phase of injection molding, pressure is applied to the molten plastic material to compensate for shrinkage as it cools and solidifies. Proper pressure control ensures that the material is adequately packed into the mold cavities, minimizing voids, sinks, or part deformation. Insufficient packing pressure can lead to incomplete filling and poor part quality, while excessive pressure can cause excessive stress, part distortion, or flash.

2. Gate and Flow Control:

The pressure in injection molding influences the flow behavior of the material through the mold. The pressure at the gate, where the molten plastic enters the mold cavity, needs to be carefully controlled. The gate pressure affects the material’s flow rate, filling pattern, and packing efficiency. Optimal gate pressure ensures uniform flow and fill, preventing issues like flow lines, weld lines, or air traps that can compromise part quality.

3. Ejection and Part Release:

Pressure control is essential during the ejection phase to facilitate the easy removal of the molded part from the mold. Adequate ejection pressure helps overcome any adhesion or friction between the part and the mold surfaces, ensuring smooth and damage-free part release. Improper ejection pressure can result in part sticking, part deformation, or mold damage.

4. Process Monitoring and Feedback:

Monitoring and controlling the temperature and pressure parameters in real-time are crucial for quality control. Advanced injection molding machines are equipped with sensors and control systems that continuously monitor temperature and pressure. These systems provide feedback and allow for adjustments during the process to maintain optimum conditions and ensure consistent part quality.

Overall, temperature and pressure control in injection molding are vital for achieving quality control. Proper temperature control ensures optimal material flow, melting, homogenization, cooling, and solidification, while pressure control ensures proper material packing, gate and flow control, ejection, and part release. Monitoring and controlling these parameters throughout the injection molding process contribute to the production of high-quality parts with consistent dimensions, mechanical properties, and surface finish.

Can you describe the various post-molding processes, such as assembly or secondary operations, for injection molded parts?

Post-molding processes play a crucial role in the production of injection molded parts. These processes include assembly and secondary operations that are performed after the initial molding stage. Here’s a detailed explanation of the various post-molding processes for injection molded parts:

1. Assembly:

Assembly involves joining multiple injection molded parts together to create a finished product or sub-assembly. The assembly process can include various techniques such as mechanical fastening (screws, clips, or snaps), adhesive bonding, ultrasonic welding, heat staking, or solvent welding. Assembly ensures that the individual molded parts are securely combined to achieve the desired functionality and structural integrity of the final product.

2. Surface Finishing:

Surface finishing processes are performed to enhance the appearance, texture, and functionality of injection molded parts. Common surface finishing techniques include painting, printing (such as pad printing or screen printing), hot stamping, laser etching, or applying specialized coatings. These processes can add decorative features, branding elements, or improve the surface properties of the parts, such as scratch resistance or UV protection.

3. Machining or Trimming:

In some cases, injection molded parts may require additional machining or trimming to achieve the desired final dimensions or remove excess material. This can involve processes such as CNC milling, drilling, reaming, or turning. Machining or trimming is often necessary when tight tolerances, specific geometries, or critical functional features cannot be achieved solely through the injection molding process.

4. Welding or Joining:

Welding or joining processes are used to fuse or bond injection molded parts together. Common welding techniques for plastic parts include ultrasonic welding, hot plate welding, vibration welding, or laser welding. These processes create strong and reliable joints between the molded parts, ensuring structural integrity and functionality in the final product.

5. Insertion of Inserts:

Insertion involves placing metal or plastic inserts into the mold cavity before the injection molding process. These inserts can provide additional strength, reinforce threaded connections, or serve as mounting points for other components. Inserts can be placed manually or using automated equipment, and they become permanently embedded in the molded parts during the molding process.

6. Overmolding or Two-Shot Molding:

Overmolding or two-shot molding processes allow for the creation of injection molded parts with multiple layers or materials. In overmolding, a second material is molded over a pre-existing substrate, providing enhanced functionality, aesthetics, or grip. Two-shot molding involves injecting two different materials into different sections of the mold to create a single part with multiple colors or materials. These processes enable the integration of multiple materials or components into a single injection molded part.

7. Deflashing or Deburring:

Deflashing or deburring processes involve removing excess flash or burrs that may be present on the molded parts after the injection molding process. Flash refers to the excess material that extends beyond the parting line of the mold, while burrs are small protrusions or rough edges caused by the mold features. Deflashing or deburring ensures that the molded parts have smooth edges and surfaces, improving their appearance, functionality, and safety.

8. Inspection and Quality Control:

Inspection and quality control processes are performed to ensure that the injection molded parts meet the required specifications and quality standards. This can involve visual inspection, dimensional measurement, functional testing, or other specialized testing methods. Inspection and quality control processes help identify any defects, inconsistencies, or deviations that may require rework or rejection of the parts, ensuring that only high-quality parts are used in the final product or assembly.

9. Packaging and Labeling:

Once the post-molding processes are complete, the injection molded parts are typically packaged and labeled for storage, transportation, or distribution. Packaging can include individual part packaging, bulk packaging, or custom packaging based on specific requirements. Labeling may involve adding product identification, barcodes, or instructions for proper handling or usage.

These post-molding processes are vital in achieving the desired functionality, appearance, and quality of injection molded parts. They enable the integration of multiple components, surface finishing, dimensional accuracy, and assembly of the final products or sub-assemblies.

What are injection molded parts, and how are they manufactured?

Injection molded parts are components or products that are produced through the injection molding manufacturing process. Injection molding is a widely used manufacturing technique for creating plastic parts with high precision, complexity, and efficiency. Here’s a detailed explanation of injection molded parts and the process of manufacturing them:

Injection Molding Process:

The injection molding process involves the following steps:

1. Mold Design:

The first step in manufacturing injection molded parts is designing the mold. The mold is a custom-made tool that defines the shape and features of the final part. It is typically made from steel or aluminum and consists of two halves: the cavity and the core. The mold design takes into account factors such as part geometry, material selection, cooling requirements, and ejection mechanism.

2. Material Selection:

The next step is selecting the appropriate material for the injection molding process. Thermoplastic polymers are commonly used due to their ability to melt and solidify repeatedly without significant degradation. The material choice depends on the desired properties of the final part, such as strength, flexibility, transparency, or chemical resistance.

3. Melting and Injection:

In the injection molding machine, the selected thermoplastic material is melted and brought to a molten state. The molten material, called the melt, is then injected into the mold under high pressure. The injection is performed through a nozzle and a runner system that delivers the molten material to the mold cavity.

4. Cooling:

After the molten material is injected into the mold, it begins to cool and solidify. Cooling is a critical phase of the injection molding process as it determines the final part’s dimensional accuracy, strength, and other properties. The mold is designed with cooling channels or inserts to facilitate the efficient and uniform cooling of the part. Cooling time can vary depending on factors such as part thickness, material properties, and mold design.

5. Mold Opening and Ejection:

Once the injected material has sufficiently cooled and solidified, the mold opens, separating the two halves. Ejector pins or other mechanisms are used to push or release the part from the mold cavity. The ejection system must be carefully designed to avoid damaging the part during the ejection process.

6. Finishing:

After ejection, the injection molded part may undergo additional finishing processes, such as trimming excess material, removing sprues or runners, and applying surface treatments or textures. These processes help achieve the desired final appearance and functionality of the part.

Advantages of Injection Molded Parts:

Injection molded parts offer several advantages:

1. High Precision and Complexity:

Injection molding allows for the creation of parts with high precision and intricate details. The molds can produce complex shapes, fine features, and precise dimensions, enabling the manufacturing of parts with tight tolerances.

2. Cost-Effective Mass Production:

Injection molding is a highly efficient process suitable for large-scale production. Once the mold is created, the manufacturing process can be automated, resulting in fast and cost-effective production of identical parts. The high production volumes help reduce per-unit costs.

3. Material Versatility:

Injection molding supports a wide range of thermoplastic materials, allowing for versatility in material selection based on the desired characteristics of the final part. Different materials can be used to achieve specific properties such as strength, flexibility, heat resistance, or chemical resistance.

4. Strength and Durability:

Injection molded parts can exhibit excellent strength and durability. The molding process ensures that the material is uniformly distributed, resulting in consistent mechanical properties throughout the part. This makes injection molded parts suitable for various applications that require structural integrity and longevity.

5. Minimal Post-Processing:

Injection molded parts often require minimal post-processing. The high precision and quality achieved during the molding process reduce the need for extensive additional machining or finishing operations, saving time and costs.

6. Design Flexibility:

With injection molding, designers have significant flexibility in part design. The process can accommodate complex geometries, undercuts, thin walls, and other design features that may be challenging or costly with other manufacturing methods. This flexibility allows for innovation and optimization of part functionality.

In summary, injection molded parts are components or products manufactured through the injection molding process. This process involves designing amold, selecting the appropriate material, melting and injecting the material into the mold, cooling and solidifying the part, opening the mold and ejecting the part, and applying finishing processes as necessary. Injection molded parts offer advantages such as high precision, complexity, cost-effective mass production, material versatility, strength and durability, minimal post-processing, and design flexibility. These factors contribute to the widespread use of injection molding in various industries for producing high-quality plastic parts.

China Hot selling Heat-Resistant Auto Parts PC Bracket Injection Molded Parts  China Hot selling Heat-Resistant Auto Parts PC Bracket Injection Molded Parts
editor by CX 2024-02-20