Injection Molding

Why Choose Us

01/

Product Application
Our products are mainly used in injection moulds for Automobile/Electronics/ Home/Office Appliance/Medical & Packaging/ Industrial Appliance，including precision moulds ,multi-cavities moulds, connector moulds .Bin-injection moulds ,over moulds ,2k moulds ,mould insert etc.

02/

Quality Assurance
In terms of quality assurance, the company strictly follows the standards and norms of the industry quality system. Adopt industry-leading testing equipment to ensure product quality and good reputation.

03/

Rich Experience
Has a long-standing reputation in the industry, which makes it stand out from its competitors. With over many years of experience, they have developed the skills necessary to meet their clients' needs.

04/

Production Market
Our main exported molds to European, North America, Asia;

Types of Injection Molding

Types of Injection Molding	Description
Conventional injection molding	Molten plastic is injected into a mold cavity under high pressure, and it is suitable for producing a wide range of plastic parts with complex shapes and precise details.
Two-shot or multi-shot injection molding	In this method, two or more materials are converted into the mold to create a part with multiple colors, materials, or components. It eliminates the need for secondary assembly operations and enables the production of more complex parts.
Insert molding	It combines plastic injection molding with the insertion of pre-formed components, such as metal inserts or other plastic parts, into the mold cavity. The molten plastic material encapsulates the inserts during the molding process, creating a strong bond between the insert and the plastic part.
Overmolding	It is similar to insert molding but involves molding a second layer of plastic material over an existing part or substrate. This process is often used to add a soft-touch grip, improve aesthetics, or enhance functionality.
Gas-assisted injection molding	A controlled amount of inert gas, typically nitrogen, is injected into the mold cavity after the initial injection of plastic material. The gas pushes the molten plastic towards the walls of the mold, improving part quality, reducing material shrinkage and warpage.
Co-injection molding	This method is also known as sandwich molding or multi-component molding. It involves injecting two or more different plastic materials simultaneously or sequentially into the mold cavity. It is commonly used to create parts with a combination of rigid and flexible materials or to achieve specific material properties, such as improved strength or reduced cost.
Micro-injection molding	Used to produce extremely small and precise plastic parts with dimensions in the micrometer range. It requires specialized machinery and tooling to handle the high precision and tight tolerances required for micro-scale components.
Liquid silicone rubber molding	Liquid silicone rubber is the material, which is injected into the mold cavity and cured to produce flexible, durable, and heat-resistant parts. It is often used for applications that require excellent sealing properties or biocompatibility, such as medical devices or automotive components.

Advantages of Custom Injection Molding

It’s Cost-effective
Plastic injection molding is an automated process. Therefore, the labor costs are relatively low compared to other plastic manufacturing methods.

Plastic Injection Molding Offers Improved Strength
The resulting plastic injection molded parts from the injection process have enhanced strength.

It Offers Flexibility in Material and Color
Numerous materials are compatible with the plastic injection molding process. With all the options available, you can easily choose a material with the appropriate chemical, physical, and mechanical properties.

Plastic Injection Molding Supports Complex Geometries with Tight Tolerances
Custom injection molding enables the generation of high-volume and consistent, complex parts. To maximize the efficiency of high-volume injection molding and optimize the accuracy and quality of your portions, you must consider the design elements.

Leads to Reduced Waste
The plastic injection molding process generates less post-production material waste than conventional manufacturing. Also, you can regrind and recycle any waste plastic for future use.

Custom Plastic Molding Offers Several Finishes
Most of the molded parts bear a soft surface finish, almost the same as the desired final look. However, a smooth appearance is only fit for some applications.

It Provides High Repeatability
Another significant benefit of custom injection molding is it’s highly repeatable. After creating your mold, you can generate numerous similar parts before maintaining your tool.

It’s Highly Effective with Fast Production
Custom injection molding is among the fastest production methods. The production output is high, making it more effective and cost-efficient.

Application of Injection Molding

Automotive parts – Dashboards, bumpers, grilles.
Electronic components – Electrical connectors, enclosures, protective sleeving.
Medical devices – Syringes, valves, dishes.
Consumer plastics – Mobile phone cases, bottle caps, toys.
Furniture parts – Seat cushions, chairs, seat covers.

Injection Molding Molding Services Capabilities

Service	Details
Lead Time	Starts at 5 business days, including fast quote responses with design-for-manufacturing (DFM) feedback
Production Options	Domestic and international
Materials	Most plastics, including custom sourcing and matching; see materials list below
Machines Available	Single, multi-cavity, and family molds; 50 to 3,700+ press tonnage; automated side actions or hand-loaded cores.
Inspection and Certification Options	Includes FAI and PPAP. ISO 9001, AS9100, ISO 13485, UL, ITAR, and ISO 7 and 8 Medical Clean Room molding.
Tool Ownership	Customer-owned with mold maintenance
Mold Cavity Tolerances	+/- 0.005" when machining the mold and an additional +/- 0.002" per inch when calculating for shrink rate
Part to Part Repeatability	+/- 0.004" or less
Critical Feature Tolerances	Tighter tolerances can be requested and may increase the cost of tooling because of additional sampling and grooming. Xometry will mill to a steel-safe condition on critical features.
Available Mold Types	Steel and aluminum; Production grades range from Class 105, a prototype mold, to Class 101, an extremely high production mold. Xometry typically produces Class 104, 103, and 102 tools.

Packaging and delivery

Selling Units: Single item
Single package size: 43X43X4 cm
Single gross weight: 1.000 kg

Lead time

Quantity (pieces)	1 - 1000	> 1000
Lead time (days)	5	To be negotiated

FAQ

Q: What is the objective of injection molding?

A: The main objective behind plastic injection moulding is the development of high-quality plastic parts that can be used effectively in an environment-friendly manner. It helps enhance production with high consistency and affordability at each process step.

Q: What are the advantages and disadvantages of injection molding?

A: Plastic injection moulding advantages centre around great precision and high repeatability, combined with speed, a low cost per part and a huge choice of available plastics. Disadvantages include a higher initial cost and lead time than some other processes.

Q: Why is injection molding so popular?

A: Versatile and efficient, injection molding offers many advantages in producing consumer goods, including: Cost-effective — Many plastic resins are inexpensive, and after tooling costs, injection molding is less expensive than many other manufacturing processes. Automated production also means reduced labor costs.

Q: What is the principle of injection molding?

A: First described in 1872, injection moulding is a process that involves the injection of a molten plastic into a cavity that allows for the manufacture of many identical parts. This technology was then rapidly expanded during World War II where the need for mass produced, affordable parts was increased.

Q: When to use injection molding?

A: Manufacturers often use injection molding to create plastic housings, household appliances, consumer electronics, power tools and automotive interiors. This technique is also used to produce open containers like buckets, household products like toothbrushes, plastic toys, and medical devices like syringes and valves.

We're professional injection molding manufacturers and suppliers in China, specialized in providing high quality products. We warmly welcome you to buy customized injection molding made in China here from our factory. Contact us for quotation.

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