EN
DE
Plastic Injection Molding Service
We provide reliable, cost-effective injection molding solutions with precision tooling, fast turnaround, and consistent quality—delivering parts that meet your exact specifications.
Innovative Solutions
We utilize state-of-the-art technology, including advanced CAD software and CNC machining, to ensure precision and efficiency.
Prompt Reply
Our experienced engineers and salesmen will serve you two-on-one and solve any questions you may have at any time.
Timely Delivery
We know the importance of delivery time and always deliver in advance or on time for product projects. We always put our customers’ needs first.
Plastic Injection Molding Service
Kehui Mold has been providing injection-molding services for 14 years, Always running through the customer’s production philosophy. Our injection molding capabilities allow us to manufacture simple to complex parts with very short lead times. We offer injection molds in aluminum, P20, H13, NAK80, and many other tool steels.
Rapid injection molding uses industry-standard part production processes, so it’s an excellent predictor of manufacturability as you move to mass production.
We provide quick turnaround plastic injection molding services for prototyping, bridge molds, and low-volume manufacturing of up to 10,000+ parts. Our injection molding capabilities allow us to manufacture simple to complex parts with very short lead times. We offer injection molds in aluminum, P20, H13, NAK80, and many other tool steels.
Rapid injection molding uses industry-standard part production processes, so it’s an excellent predictor of manufacturability as you move to mass production.
Types of Injection Molding We Offer
Customize Your Project Assessment
Bi-Color Molding
Insert Molding
Clear Parts
Gas Assisted Injection
Injection Molding for Various Industries
We provide high-quality injection molding solutions for a wide range of industries, including automotive, medical, electronics, consumer products, and industrial applications. With advanced equipment and strict process control, we deliver reliable, consistent, and cost-effective molded parts tailored to each industry’s specific requirements.
Advantages of Plastic Injection Molding
High Production Efficiency
The injection molding machine can inject multiple products at one time, improving productivity.
Low Production Cost
The injection molding process uses thermoplastic particles as raw materials, which are low-priced and can be recycled.
Stable Product Quality
The injection molding machine automatically controls factors such as temperature, pressure, time, etc., and the quality of the product meets customer requirements.
Wide Range of Use
It can produce plastic products of various shapes and industries and has made an indelible contribution to the production of automobiles, medical, consumer, electronics, and other industries.
Thermoplastic vs Thermoset Injection Molding Comparison
| Category |
Thermoplastic Injection Molding |
Thermoset Injection Molding |
|---|---|---|
| Material Type | Can be melted repeatedly and reshaped | Irreversibly cured; cannot be remelted |
| Processing Temperature | Higher melting temperatures required | Lower processing temperatures |
| Mold Temperature | Typically lower mold temperatures | Requires heated mold to cure material |
| Cycle Time | Generally faster cycles | Longer cycles due to curing |
| Part Strength | Good toughness and impact resistance | Excellent heat resistance and dimensional stability |
| Heat Resistance | Lower compared to thermosets | Very high heat and chemical resistance |
| Flexibility | More flexible and can be reworked | Rigid and cannot be reprocessed |
| Typical Applications | Automotive parts, consumer goods, electronics housings | Electrical components, high-heat applications, insulation parts |
| Surface Finish | Smooth surface finish achievable | Typically matte or textured due to curing |
| Recyclability | Highly recyclable | Not recyclable after curing |
| Tooling Requirements | More versatile and lower mold wear | Mold must withstand curing temperatures and pressure |
| Cost | Lower material and processing cost | Higher processing cost due to slower cycles |
| Production Volume | Ideal for high-volume manufacturing | Suitable for medium-to-high volume with specific requirements |
Injection Molding Materials
Mold Making Materials
CNC Machining Materials
About Our Advantage
With our two-way communication model, you receive fast responses and clear project updates at every stage. Our commitment is to deliver reliable solutions that truly support your production needs. Backed by advanced manufacturing technology and strict quality control, we ensure every mold component you receive is precise, consistent, and ready for seamless use.
Customize Your Project Assessment
Communication Mode
Kehui Mold adopts a team model of one sale and one engineer to serve a customer to ensure the handling of customer problems and feedback on the progress of production in time.
Our Mission
Kehui Mold always aims to serve customers well and bring benefits and value to customers. We always adhere to the business philosophy of integrity and excellence, and maintain the corporate style of focusing on efficiency in economy, system in management, principles in handling, and efficiency in work.
Sophisticated Technology
The high-quality mold begins with high-quality design. Kehui Mold has a team of talented designers with more than 15 years of experience in mold design management. Meanwhile, Kehui Mold is equipped with the most state-of-the-art hardware and design software, our design department has sufficient capacity to your wonderful ideas into the perfect product.
Strict Quality Control
Take quality as root, our products are inspected at every stage throughout the tooling process including drawing auditing, copper electrode, CNC, EDM, EDW, Fitting check before trialing the tooling, and pre-shipment check, in addition, we can provide customers with FAI, GR&R, MSA, CPK and SPC reports. Strict quality management ensures the high quality of our products that meets or even exceed customer’s requirements.
FAQ Of Injection Molding
Visit our FAQ center for more questions.
What is Plastic Injection Molding?
Plastic injection molding involves melting granular plastic pellets into a liquid form and then compressing this liquid into the empty cavity of a mold tool. The plastic will retain the shape of the mold as well as the surface texture of the walls of the cavity. After an optimized injection and cooling phase, the now solidified plastic part is ejected and the molding cycle is repeated. This molding cycle can take from as little as a few seconds to several minutes depending upon part size, molding resin and part design.
Principle of Plastic Injection Molding
A model with a certain shape created by pressurizing molten colloid into a mold chamber is referred to as injection molded. The method is to melt the solid plastic to a specific melting temperature and then inject it into the mold at a specific speed using the injection machine‘s pressure. The mold then uses water channel cooling to solidify the plastic, producing the desired product for the mold cavity.
The process of injection molding involves consistently plasticizing thermoplastic or thermosetting molding materials in a heated barrel before pushing them using a plunger or moving a screw into the cavity of a closed mold to be molded.
Nearly all thermoplastics can be molded with injection molding, and certain thermosets have also been molded successfully using this technique. In addition, the molding cycle is brief (a few seconds to minutes), the molded products’ quality can vary from a few grams to dozens of kilos, and multiple complexly shaped, precisely measured, and metal or non-metal insert molded goods can be formed at once. As a result, this technique offers great versatility and high productivity.
Why is Injection Molding Tooling So Expensive?
Injection molding tooling is costly because it requires high-precision machining, durable steel materials, and complex engineering to ensure long mold life and stable production. The mold must withstand high pressure, high temperature, and repeated cycles, which demands advanced equipment, skilled labor, and tight manufacturing tolerances. All these factors contribute to the overall cost.
What Factors Influence Injection Mold Tooling Design?
Injection mold design is influenced by part geometry, material type, expected production volume, gate and runner layout, cooling efficiency, draft angles, and tolerance requirements. Mold designers must balance strength, manufacturability, molding stability, and cost to create a tool that performs reliably and produces consistent, high-quality parts.