• CONVENTIONAL PLASTIC MOLDS

Custom Plastic Mold and Injection Molding

We are your Custom Plastic Mold and Injection Molding Manufacturers

WIT MOLD is a very professional mold design and mold manufacturer located in southern China, and has passed the ISO2009:2015 international quality standard certification. We started to build complete molds in 2011, specializing in the production of different types of injection molds, which are mainly exported to North America and Europe.

With an expert team composed of experienced and knowledgeable experts, we are able to complete custom orders for Custom Plastic Molds and parts that may exceed the capabilities of our competitors. We are also unremittingly committed to improving customer satisfaction, which includes providing comprehensive end-to-end quality assurance for every product we produce. WIT MOLD has become one of the best molds in the industry because we combine the essence of the latest technology with proven traditional methods.

From the beginning of each project, we communicate and coordinate closely with each customer to ensure that the mold is done right at the first time. All projects are managed by our mold design and mold manufacturer located in China, and all final inspections are performed before shipment.

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From mold production to injection molding parts

WIT MOLD’s instant online plastic injection molding quotation and mold base sharing technology enable us to simplify and shorten the quotation and mold manufacturing process for customized plastic injection mold.

  1. Load your 3D CAD files to get instant mold and part quotes
  2. After the order is confirmed, WIT MOLD starts the mold and parts order process
  3. Tool design review by WIT MOLD engineers
  4. After the design is approved, WIT MOLD starts to build your injection mold
  5. Customer checks samples for approval
  6. Parts production started

At WIT MOLD, we are committed to providing first-class wholesale customized plastic injection molding solutions for each order. We meet this high standard by investing in top talents and machines in the industry. Let us provide you with high-quality, low-cost customized plastic molds and parts products. Contact WIT MOLD for more information.

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Custom Plastic Molds molding advantages

Plastic Molds molding services provide many extremely versatile parts and product production methods. With a wealth of Plastic Molds molding services, WIT MOLD provides Plastic Molds molding services suitable for your application. Some of the significant benefits of using Plastic Molds molding services include:

High efficiency
Strengthen
Complex geometry
Detailed function
Advanced automation
High productivity

A team that provides timely service and consistent quality

1. Comprehensive service

Strong project management capabilities from design to final parts. One-stop service to meet the plastic molding needs of all our customers.

2. Injection molding industry experience

Decades of customized plastic injection engineering and processing experience.

3. Quality products and craftsmanship

You expect durable, high-quality components from WIT MOLD, including maximum output and minimum waste.

4. Multiple designs and material options

Custom designs and a full range of plastic material products, including various colorants and overmolding options.

Injection molds and tools

Custom injection plastic molds can be made of a variety of materials, such as aluminum, steel, or alloys, and may contain various internal components such as pins, rails, bushings, and ejectors.

Custom mold plastic process can be customized according to your unique project. Create custom molds and tools that meet your exact design requirements, including single-cavity and multi-cavity molds with up to 32 individual molding cavities.

Plastic injection molding applications

Parts that require tight tolerances and high yields can benefit from plastic molding services. WIT MOLD’s many primary and secondary Custom Plastic molding services can provide ideal solutions for many industries that want to produce a large number of precision quality parts.

Some of the applications that benefit most from these custom plastic molds services include:

Car, Motorhome, Transportation, Outdoor life, Pet supplies, Building products, Irrigation products, Food packaging, Medical, Dentistry, Any other areas that rely on plastics in manufacturing, packaging or distribution..

Plastic injection molding materials

WIT MOLD can meet the demand for custom plastic moulding that are reasonably priced, durable and require precise specifications every time. We are your one-stop supplier of high-quality, cost-competitive domestic molded plastic products using various plastic materials.

ABS (Acrylonitrile Butadiene Styrene) Good impact resistance, cost-effective, easy to process, and has good surface finish.

ABS + PC (ABS + polycarbonate) Combines the impact resistance of ABS with the high heat resistance of polycarbonate.

Acetal (POM) High stiffness, low friction, good dimensional stability, and chemical resistance.

Acrylic (PMMA) Transparent, good optical clarity, weather-resistant, and has a high surface finish.

LCP (Liquid Crystal Polymer) Excellent strength, stiffness, and chemical resistance at high temperatures.

PA-nylon 6 (polyamide) High tensile strength, chemical resistance, and toughness.

PA-nylon 6/6 (polyamide) Improved heat resistance compared to PA-nylon 6.

PA-nylon 11 (polyamide) Good impact resistance, low moisture absorption, and high chemical resistance.

PBT (polybutylene terephthalate) Good electrical insulating properties, high strength, and dimensional stability.

PC (polycarbonate) High impact resistance, optical clarity, and high-temperature resistance.

PEI (Polyetherimide) High heat resistance, flame resistance, and good electrical properties.

PE (polyethylene) Lightweight, good chemical resistance, and cost-effective.

LDPE (low-density polyethylene) Flexible, good chemical resistance, and easy to process.

HDPE (High-Density Polyethylene) Strong, rigid, chemical resistance, and good impact strength.

PET (polyethylene terephthalate) Transparent, good gas and moisture barrier properties, and recyclable.

PP (polypropylene) Lightweight, chemical resistance, and good fatigue resistance.

PPA (Polyphthalamide) High heat resistance, chemical resistance, and good dimensional stability.

PPS (polyphenylene sulfide) Excellent chemical resistance, high-temperature resistance, and dimensional stability.

PS (polystyrene) Low cost, lightweight, and can be easily processed.

HIPS (High Impact Polystyrene) Improved impact resistance compared to standard polystyrene.

PSU (Polysulfone) High-temperature resistance, chemical resistance, and toughness.

PU (Polyurethane) Good flexibility, abrasion resistance, and impact resistance.

PVC (Polyvinyl Chloride) Cost-effective, chemical resistance, and flame retardant.

PVDF (Polyvinylidene Fluoride) Excellent chemical resistance, high-temperature stability, and UV resistance.

SAN (Styrene Acrylonitrile) Transparent, good impact resistance, and chemical resistance.

TPE (Thermoplastic Elastomer) Flexibility, elasticity, and ease of processing.

TPU (Thermoplastic Polyurethane) Excellent flexibility, abrasion resistance, and toughness.

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Questions that may be of interest to you

What is the injection molding process?

In the custom plastic injection molding manufacturing process, the molten plastic mixture is pressed into a customized mold under high pressure to make the material have the shape of the mold cavity. Once the part is removed from the mold, it is usually complete, but secondary processing may be required.

What are the benefits of injection molding?

Custom plastic injection molding has a history of nearly 150 years. Due to the following main advantages, this manufacturing process is very suitable for manufacturing a large number of identical objects:
High precision and accuracy
High efficiency
High flexibility
Consistency
Lower labor costs and minimal post-production work
Affordability
Sustainability

What product is injection molded?

Since injection molding is the most common method of manufacturing plastic parts, the product list can range from bottle caps to car parts. More complex parts are made by combining two or more materials through a special process called overmolding.

What materials are used for injection molding?

Special types of plastics are usually used in injection mold manufacturing, including: polycarbonate, acrylonitrile butadiene styrene (ABS), nylon, etc.
As a reputable Custom Plastic Molds injection molding company, WIT MOLD provides a series of plastic materials that can be used in the manufacturing process.

How are injection molds made?

Custom Plastic Molds injection molders use computer-aided design (CAD) software or similar software to produce Custom Plastic Molds. The molds are processed from solid metals of different disciplines. Usually there are two halves that are combined during the mold assembly process.
The injection mold is essentially a hollow metal block. The cavity in the mold is filled through gates and runners. Once filled with plastic, the required parts will be produced. To learn more about our Custom Plastic Molds injection molding manufacturing and its needs, please feel free to contact us.

How long can the injection mold last?

The life of a mold is directly related to the type of mold, the type of material injected into it, and the number of parts produced.
If constructed and maintained properly, the life expectancy of the mold can last for millions of parts. Application (ie: prototyping, production) usually determines the durability of the mold.

What is custom injection molding?

Custom Plastic Molds injection molders design and manufacture customized molds and/or mold customized parts for customers, including small, medium and large batches. As one of the leading mold injection companies, WIT MOLD focuses on Custom Plastic Molds and can provide product designs according to your exact specifications and industry requirements.

Who invented injection molding?

The brothers Isaiah and John Wesley Hyatt, the American inventor and the first plastic injection molding manufacturers, applied for a patent for the first injection molding machine in 1872. Although its original design seems simple, this machine makes the manufacturing process extremely simple. It also serves as a prototype for the complex injection molding machine we are using now, because its principles are still the same.

When considering custom plastic injection molding, you have access to a range of services such as custom plastic molding and custom plastic injection moulding. For tailored solutions, custom plastic moulding can be designed to meet specific requirements. If you need precise components, custom plastic molds are available from reputable plastic mold manufacturers. These manufacturers and plastic mold suppliers provide various options for creating a custom plastic mold. In addition, custom injection mold services ensure that you get molds specifically made for injection molding processes. Whether you are interested in general plastic molds or need custom solutions, there are numerous plastic mold suppliers and manufacturers ready to help with your project.

Common Defects Of Injection Molds And Their Solutions

Variables that affect custom injection molding cost?

Core metal

For shorter production cycles, some mold makers will use aluminum molds. If you don’t need molds for long-term operation, aluminum is a reasonable choice. However, if a project requires a mold to last for several years, in the long run, aluminum molds may cost more. Large quantities of precision molds are made of hardened steel. Steel can withstand the pressure of long-term production and operation while still meeting strict tolerance requirements. At WIT MOLD, we have many stainless steel molds that have been in production for decades.

Number of cavities

This is very intuitive when you think about it. The fewer cavities in the mold, the less tool work required, the less time, and the lower the final cost. Reputable and experienced molders will be able to maximize cavitation in the mold to maintain the highest level of productivity. Generally speaking, most moldmakers recommend creating a mold for each part, rather than creating a household mold. Family molds are designed with various cavities for various parts. They tend to produce inferior products and have more downtime due to maintenance issues.

Mould base

Think of the mold base as the housing that holds all the mold cavities, inserts, and components together. The cost of the base is estimated based on the size of the mold and the type of steel used to make the base and the customization required. Most mold bases have standard sizes and are further processed to meet the requirements of specific projects.

Core/cavity processing

All molds must also be customized. Customization includes the placement of cores, cavities, ejectors, cooling lines, etc. The steel used in the tool also affects the cost. Hardened steel molds have the longest service life and higher processing costs. However, once completed, their production life is very long.

Part complexity

Just as the number of cavities plays a role in determining mold cost, so does the complexity of parts. This complexity includes the surface finish of the final part and the number of undercuts required. Parts that require tight tolerances will also increase the complexity of the mold.

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