Product Description

Product Description

 

Manufacturer HangZhou CHINAMFG PRECISION MOULD. CO.,LTD Design Software UG,Pro-E,AutoCAD,CATIA
Installation Fixed Runner Cold/Hot Runner(YUDO, HRS,Moldmaster,HUSKY,DME,local brand, etc)
Standard LKM/HASCO/DME/FUTA,etc Cavity Single/Mutive Cavities
Mould Base P20 , 45# , 4CR13 , etc; Mould Life 0.2-2 million Shots
Mould Material  P20,P20H, 718, 718H,2738, Nak80, S136, SKD61,8407,H13, 2343,2344,2311,2312,2379,2316,2093,2767,etc Mould Material PS, ABS,PP, PVC,PMMA,PBT,PC, POM,PA66,PA6,PBT+GF,PC/ABS,PEEK,HDPE,TPU,PET,PPO,etc
Surface heat treatment.polishing, texture,coating,etc Gate Side gate, Edge gate, Submarine, Pin Point, Horn, Directe gate,Capillar, etc,
Tonnage 50-3600T T1 time 30-40 days
Specification Customized Transport Package Plastic bag/Carton box/Wooden Case
HS Code 848571090 Industry Automotive, Communications, Electronics,Home Appliances, Household products,etc

 

Our Advantages

 

1)

Around 20 years mold making experience, certificated with IS09001 & IATF 16949 and with skilled and professional workers. We are the expert at Strong engineering, exquisite workmanship, products of various materials high precision request and complex shapes;
2) More than 30 countries export experience ensure our technical team are able to offer tailor-made service with International standard towards to our customers;
3) We are big company group investing a lot on hardware and software facilities. We have advanced and high precision equipment and machines as well as latest mold design software and mold flow analysis software;
4) Work with many world class Japanese brands, sound & rigorous Japanese management and quality control system.Very high quality in the industry;
5) Direct export to be sure cost-effective and competitive. For some mature molds,we are 20-30% cheaper than others;
6) Three factories guarantee our plenty production capacity and our short lead time and quick response capability;
7) Familiar with material industry, to use  high quality materials to be sure long life time and excellent hot runner system and cooling system to increase production efficiency;

Mold & molding parts we made

  

 

 

  

 

 

Patents Awards Certificates

Global customers & Exhibition

Company Profile

About Us:

As the professional tooling & Die making company group in China, Symbos has 3 manufacturing bases, 2 in ZheJiang and 1 in HangZhou. We can provide customers with products and services which not only meet their requirements in quality products but surpass their expectations each time. We pride ourselves in offering customers bespoke services at every stage.

Symbos provides professional mould, mould components, injection moulding and CNC machining for domestic as well as oversea companies. A certain number of products have been exported to Japan, Germany, USA, Canada, Italy, Spain, India, Thailand and other countries. We work with the world-class brands like Nissan, Arcelik, Simens, BMW, Philips, AISIN, etc.

Symbos works with a diverse range of customers from a variety of industry sectors, included but not limited to: Automotive,, home appliances, electronics products, house-hold goods, consumer products and small precision parts. Based on innovation and investment in advanced equipment and economically attractive concepts, we are successful in not only high-end die casting die but als low cost plastic injection mold.

For die casting mold, 90% is automotive sector. For plastic injection mold, we are strong on electronics products, home appliances (MDA& SDA), house-hold goods, insert molding, over molding and precision parts like caps and connector. We provide plastic injection mold as well as plastic molding parts.

Punctuality and know-how, dedication and skilled people are the CHINAMFG basis for our many years of successful operation.
Innovation and investment in advanced equipment and new applications are the driving forces for the common success.

We expect to work with your esteemed company to realize mutual growth!

Packaging & Shipping

Q&A:

Q1. Do you provide OEM Service?
A: Yes, we provide OEM Service.
Q2.  What do I need to provide if I want to customize products and get a offer?
A:  Pls send 2D or 3D drawing(.step/.stp/.igs/.dwg is prefer) or samples and detailed requirement.
Q3.  What’s the process of Customized product?
A:1. Mold design from product drawings or samples. 2. Confirm the drawings with customer. 3. Make mold.  4. T1 test and send samples to customer for adjustment. 5. Adjust mold and retest and send samples to customer for approval. 7. Receive confirmation from customer. 8.Send out mold or arrange series production.
Q4: What if I got some defective mold/products?
A: We will take full responsibility for our defaulty. We will implement the fastest remedy to rework or to reproduce on our account. As for parts, will exchange good products or refund you immediately. If you have any questions, please feel free to contact us.

 

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Warranty: 2
Shaping Mode: Plastic Molding Die
Surface Finish Process: Painting
Samples:
US$ 1/Piece
1 Piece(Min.Order)

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Customization:
Available

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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

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.

How do injection molded parts enhance the overall efficiency and functionality of products and equipment?

Injection molded parts play a crucial role in enhancing the overall efficiency and functionality of products and equipment. They offer numerous advantages that make them a preferred choice in various industries. Here’s a detailed explanation of how injection molded parts contribute to improved efficiency and functionality:

1. Design Flexibility:

Injection molding allows for intricate and complex part designs that can be customized to meet specific requirements. The flexibility in design enables the integration of multiple features, such as undercuts, threads, hinges, and snap fits, into a single molded part. This versatility enhances the functionality of the product or equipment by enabling the creation of parts that are precisely tailored to their intended purpose.

2. High Precision and Reproducibility:

Injection molding offers excellent dimensional accuracy and repeatability, ensuring consistent part quality throughout production. The use of precision molds and advanced molding techniques allows for the production of parts with tight tolerances and intricate geometries. This high precision and reproducibility enhance the efficiency of products and equipment by ensuring proper fit, alignment, and functionality of the molded parts.

3. Cost-Effective Mass Production:

Injection molding is a highly efficient and cost-effective method for mass production. Once the molds are created, the injection molding process can rapidly produce a large number of identical parts in a short cycle time. The ability to produce parts in high volumes streamlines the manufacturing process, reduces labor costs, and ensures consistent part quality. This cost-effectiveness contributes to overall efficiency and enables the production of affordable products and equipment.

4. Material Selection:

Injection molding offers a wide range of material options, including engineering thermoplastics, elastomers, and even certain metal alloys. The ability to choose from various materials with different properties allows manufacturers to select the most suitable material for each specific application. The right material selection enhances the functionality of the product or equipment by providing the desired mechanical, thermal, and chemical properties required for optimal performance.

5. Structural Integrity and Durability:

Injection molded parts are known for their excellent structural integrity and durability. The molding process ensures uniform material distribution, resulting in parts with consistent strength and reliability. The elimination of weak points, such as seams or joints, enhances the overall structural integrity of the product or equipment. Additionally, injection molded parts are resistant to impact, wear, and environmental factors, ensuring long-lasting functionality in demanding applications.

6. Integration of Features:

Injection molding enables the integration of multiple features into a single part. This eliminates the need for assembly or additional components, simplifying the manufacturing process and reducing production time and costs. The integration of features such as hinges, fasteners, or mounting points enhances the overall efficiency and functionality of the product or equipment by providing convenient and streamlined solutions.

7. Lightweight Design:

Injection molded parts can be manufactured with lightweight materials without compromising strength or durability. This is particularly advantageous in industries where weight reduction is critical, such as automotive, aerospace, and consumer electronics. The use of lightweight injection molded parts improves energy efficiency, reduces material costs, and enhances the overall performance and efficiency of the products and equipment.

8. Consistent Surface Finish:

Injection molding produces parts with a consistent and high-quality surface finish. The use of polished or textured molds ensures that the molded parts have smooth, aesthetic surfaces without the need for additional finishing operations. This consistent surface finish enhances the overall functionality and visual appeal of the product or equipment, contributing to a positive user experience.

9. Customization and Branding:

Injection molding allows for customization and branding options, such as incorporating logos, labels, or surface textures, directly into the molded parts. This customization enhances the functionality and marketability of products and equipment by providing a unique identity and reinforcing brand recognition.

Overall, injection molded parts offer numerous advantages that enhance the efficiency and functionality of products and equipment. Their design flexibility, precision, cost-effectiveness, material selection, structural integrity, lightweight design, and customization capabilities make them a preferred choice for a wide range of applications across industries.

Are there different types of injection molded parts, such as automotive components or medical devices?

Yes, there are various types of injection molded parts that are specifically designed for different industries and applications. Injection molding is a versatile manufacturing process capable of producing complex and precise parts with high efficiency and repeatability. Here are some examples of different types of injection molded parts:

1. Automotive Components:

Injection molding plays a critical role in the automotive industry, where it is used to manufacture a wide range of components. Some common injection molded automotive parts include:

  • Interior components: Dashboard panels, door handles, trim pieces, instrument clusters, and center consoles.
  • Exterior components: Bumpers, grilles, body panels, mirror housings, and wheel covers.
  • Under-the-hood components: Engine covers, air intake manifolds, cooling system parts, and battery housings.
  • Electrical components: Connectors, switches, sensor housings, and wiring harnesses.
  • Seating components: Seat frames, headrests, armrests, and seatbelt components.

2. Medical Devices:

The medical industry relies on injection molding for the production of a wide range of medical devices and components. These parts often require high precision, biocompatibility, and sterilizability. Examples of injection molded medical devices include:

  • Syringes and injection pens
  • Implantable devices: Catheters, pacemaker components, orthopedic implants, and surgical instruments.
  • Diagnostic equipment: Test tubes, specimen containers, and laboratory consumables.
  • Disposable medical products: IV components, respiratory masks, blood collection tubes, and wound care products.

3. Consumer Products:

Injection molding is widely used in the production of consumer products due to its ability to mass-produce parts with high efficiency. Examples of injection molded consumer products include:

  • Household appliances: Television and audio equipment components, refrigerator parts, and vacuum cleaner components.
  • Electronics: Mobile phone cases, computer keyboard and mouse, camera components, and power adapters.
  • Toys and games: Action figures, building blocks, puzzles, and board game components.
  • Personal care products: Toothbrushes, razor handles, cosmetic containers, and hairdryer components.
  • Home improvement products: Light switch covers, door handles, power tool housings, and storage containers.

4. Packaging:

Injection molding is widely used in the packaging industry to produce a wide variety of plastic containers, caps, closures, and packaging components. Some examples include:

  • Bottles and containers for food, beverages, personal care products, and household chemicals.
  • Caps and closures for bottles and jars.
  • Thin-walled packaging for food products such as trays, cups, and lids.
  • Blister packs and clamshell packaging for retail products.
  • Packaging inserts and protective foam components.

5. Electronics and Electrical Components:

Injection molding is widely used in the electronics industry for the production of various components and enclosures. Examples include:

  • Connectors and housings for electrical and electronic devices.
  • Switches, buttons, and control panels.
  • PCB (Printed Circuit Board) components and enclosures.
  • LED (Light-Emitting Diode) components and light fixtures.
  • Power adapters and chargers.

These are just a few examples of the different types of injection molded parts. The versatility of injection molding allows for the production of parts in various industries, ranging from automotive and medical to consumer products, packaging, electronics, and more. The specific design requirements and performance characteristics of each part determine the choice of materials, tooling, and manufacturing processes for injection molding.

China Hot selling High Precision CHINAMFG for Air Conditioner Household Electric Appliances Molded Parts Injection Mold  China Hot selling High Precision CHINAMFG for Air Conditioner Household Electric Appliances Molded Parts Injection Mold
editor by CX 2024-01-24