Insert Molding
Learn about our excellent parts molding services. Xnparts can assist you in designing and manufacturing plastic parts to exacting specifications. Contact us today for a quote!
Expert Solutions for Your Insert Molding Needs
Do you have a project that requires customization? With insert molding services, you can get the perfect component for your concept manufacturing needs. Xnparts offers custom insert molding to help you turn your end product into reality. Our experts will work with you to provide high-quality results in a short period of time. Xnparts offers insert mold services as part of its injection molding capabilities. Our team of engineers has extensive expertise to provide superior insert molding solutions. Our experienced team of engineers and technicians work closely with customers to understand their requirements and provide custom solutions based on their specific needs. We ensure strict quality control throughout the manufacturing process to provide quality products that meet or exceed industry standards.
One-Stop Manufacturer
Insert molding is just one aspect of our overall injection molding expertise. Xnparts’ custom molds and insert molding include everything from prototypes to full production runs. Our insert molds, whether short runs, small batches, or multi-cavities, are monitored and controlled so you can be confident in every aspect of mold design and manufacturing. This attention to production detail ensures that goals, objectives, and preset project results are accomplished as planned at every stage of the process. From design to manufacturing, all insert molding is done in-house and provides our customers with competitive advantages in cost, quality, and delivery time. Whether you need injection molding services from design to production, or are looking for assistance in a certain area of the development cycle, we are here to help.
Build-to-Draw Service
If you have a thoroughly reviewed design, our build-to-draw service is ideal for you. With drawings, specifications, and purchase order requirements, we can start production.
If your project still needs improvement, don’t worry. We will be happy to help you achieve a simpler, easier-to-manufacture design to achieve your goals. Our build-to-spec service can quickly and cost-effectively transform your concept into a finished product. At our company, we believe in customization to meet your specific needs. We only create prototypes when necessary for testing and proof of concept. We always focus on customizing your project to your unique requirements.
Types of Insert Molding Processes
Multi-Component Molding
Multi-Shot Molding
Insert Molding
Ready to get your custom insert molding quote?
Plastic Injection Insert Molding Services
We offer metal insert molding services, depending on the number of products, the tolerances required for the dimensions, and the number of inserts to be inserted in each product, to determine fully automated production, semi-automatic, and manual insertion of metal inserts, ensuring the highest quality, production efficiency, and cost-effectiveness. In addition, Xnparts’s capacity reflects our core expertise in injection molding. From the simplest geometries and lightest parts to the most complex shapes and 20-pound parts, we have the experience to manufacture the parts you need. With clamping forces ranging from 40 to 2,200 tons, we will meet the force requirements of your project.
Tooling Services
In-house tooling services, from tooling design to production. Lifetime tooling warranty.
DFM
Quality manufacturing starts with good design. We develop DFM reports to eliminate defects before production begins.
Surface Treatments
Enhance appearance and functionality with a variety of surface treatments, from smooth, glossy coatings to textured or matte finishes.
Assembly Manufacturing
We offer customized assembly services based on quantity and requirements, and we perform manual, semi-automatic or fully automated assembly operations.
Insert Molding Materials
We offer hundreds of materials to help you produce insert molded parts for a variety of industry applications. Commonly used materials include but are not limited to:
Metal Materials
- Steel
- Aluminum
- Copper
- Magnesium alloy
- Iron
- Nickel alloy
- Zinc alloy
Plastic Materials
- Nylon
- POM
- PVC
- Polyethylene
- NBR
- Polypropylene
- Polycarbonate
Other Special Materials
- Ceramic
- Glass fiber
- Carbon fiber
- Silicone
- Polyester resin
- Polyurethane
- Rubber materials
Surface Finish Options for Molded Parts
The following are the surface finish options we offer for insert molding molds and plastic products. If your desired finish is not listed, please contact us and we will customize the finish for you.
Standard Finishes
The finish selected by the mold maker is typically SPI B-2, with internal non-decorative surfaces remaining machined.
SPI Finishes
Range from 3-grade diamond/high polish to 320 stone low polish, including SPI A-1 to SPI D-3 finishes.
Molding
No secondary polishing or grinding is required, and parts will retain machining marks.
MoldTech Finishes
Includes matte, swirls, lines and patterns, as well as standard finishes such as MoldTech MT11010, MT11020 and MT11030.
Other Textures - VDI
The VDI 3400 surface finish is primarily processed by EDM and can produce a fine to coarse matte surface.
Assembly
The ability to assemble and mark injection molded parts, please discuss specific needs with your salesperson.
Threaded Inserts
Mount standard inserts in UNF and Metric sizes.
Pad Printing
Transfer 2D images to 3D parts and perform image review.
Laser Engraving
Engrave part numbers, logos, and more onto your parts.
What is Insert Molding?
Insert molding is a special injection molding process that combines metal and plastic together. First, a metal insert is placed into the mold cavity, and then the plastic material is injected around it. Once the plastic cools, the metal insert is held in place by the plastic material, and you have a finished part that is now a combination of metal and plastic.
This process creates a single, cohesive part that combines the strength and functionality of the insert with the versatility and design flexibility of plastic. Insert molding is ideal for manufacturing complex parts that require strong structural elements, such as electronic connectors, medical devices, and automotive components. Not only does this method enhance the mechanical properties of the final product, it also simplifies assembly and reduces overall production costs.
Advantages of Insert Molding
- Enhanced Product Functionality: Insert molding can integrate multiple components or functions into a single molded part without the need for additional assembly steps. This improves product functionality, reduces part complexity, and increases design possibilities.
- Improved Assembly Efficiency: By combining multiple components into a single molded part, insert molding simplifies the assembly process, reducing assembly time and labor costs. It also minimizes the risk of components being misaligned or falling out during assembly.
- Cost Savings: Insert molding can save costs by eliminating the need for secondary operations such as welding, fastening, or bonding. In addition, it can also use cheaper materials to manufacture certain parts without sacrificing quality or performance.
- Enhanced Durability and Strength: The bond between the insert and the plastic material in the insert-molded part enhances its structural integrity, thereby improving durability and strength. This is particularly beneficial for applications that require rugged and reliable components.
- Design Flexibility: Insert molding provides designers with greater freedom in product design. It allows complex geometries, unique shapes, and multiple materials to be incorporated into a single molded part, enabling the creation of innovative and customized solutions.
Insert Molding vs. Overmolding
Insert molding and overmolding are two distinct processes that produce very different products. Overmolding is the process of molding one material over another. The base layer is molded first, and then the additional plastic layer is molded over and around the original part. This creates a finished product. Overmolding produces a durable, aesthetically pleasing finished product that has a long service life and greater safety.
Insert molding, in contrast, involves injecting the insert material into the mold cavity before the plastic is injected into the mold. The final product is a single piece with the insert encapsulated by the plastic. Plastic injection molded inserts provide a fast and cost-effective assembly process, producing smaller, lighter parts.
Our Insert Molding Services
Our insert molding process is designed to deliver custom prototypes and on-demand production parts extremely quickly, often in as little as 5 days. Utilizing cost-effective aluminum tooling, we can produce parts in a variety of thermoplastic and liquid silicone rubber materials, ensuring quality and versatility.
Insert molding is ideal for low-volume production parts, bridge tooling, trial runs, and functional prototyping and testing. Whether you need a small batch of parts for initial testing or a reliable bridge to production solution, our advanced molding services provide the precision and efficiency you need. Contact us today to learn how we can meet your manufacturing needs with our superior overmolding and insert molding capabilities.
Industries We Serve
We are a full-service custom insert molding supplier that processes a wide range of high-performance engineering thermoplastics. We utilize the latest automation and molding equipment, which enables us to compete on an international scale. From functional prototypes to high-volume production, our customers span a wide range of industries, including:
Aerospace
Automotive
Electronics
Industrial Equipment
Medical and Dental
Optics
Let’s get started on your new project!
If you are interested in using overmolding for your next project, trust Xnparts’ expertise and experience to deliver high-quality results that meet your specifications and requirements. Contact us today to request a quote and our team will develop a solution tailored to your project needs!