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Plastic Injection Mold Making
High Precision Mold

High-Precision Mold Making

Quality and precision are key to successful steel mold-making, and at Silkbridge, we leave no room for compromise. Our molds are crafted to incredibly tight tolerances, with precision up to 0.01 mm (0.0004 inches). This level of accuracy ensures that every mold we produce results in flawless, repeatable plastic parts, even for the most demanding applications. Whether it’s a simple part or a complex design with intricate features, our molds consistently deliver the precision required for high-quality plastic injection production.

CNC Machining

Our mold-making capabilities are powered by over 30 state-of-the-art CNC machines from some of the most reputable and precise brands in the industry. These high-performance machines are known for their exceptional accuracy, reliability, and ability to handle the most complex machining tasks. Whether we are cutting intricate geometries, shaping detailed mold cavities, or achieving flawless surface finishes, our CNC machines deliver unparalleled precision with tolerances as tight as 0.01 mm (0.0004 inches). Equipped with multi-axis capabilities, these machines allow us to produce complex molds with absolute precision in both small and large production runs. Our CNC machines are also enhanced with the latest control systems, ensuring that each step of the mold-making process is meticulously executed, minimizing errors and ensuring consistency. The combination of cutting-edge technology and the expertise of our skilled technicians allows us to meet the exacting demands of industries such as electronics, automotive, and medical devices. With our top-tier CNC equipment, we guarantee high-precision mold production, ensuring that our customers receive molds that are robust, reliable, and capable of producing high-quality plastic injection parts consistently.
Mold CNC
Mold EDM

EDM Machining

Our mold-making expertise is further enhanced by 25 high-precision EDM (Electrical Discharge Machining) machines, including advanced models from the industry-leading brand Sodick. Known for their superior quality and precision, Sodick EDM machines allow us to produce complex and intricate mold components with extreme accuracy. These machines are particularly effective in creating sharp corners, deep cavities, and other fine details that traditional machining cannot achieve. Our range includes a large, double-operation EDM machine, capable of working on two different operations simultaneously, dramatically increasing efficiency while maintaining the same high level of precision. With Sodick’s cutting-edge linear motor technology, our machines provide consistent, repeatable accuracy, even for the most challenging geometries, ensuring that every mold we produce meets exact specifications. These EDM machines are integral to delivering the high quality, durability, and precision that our customers expect, particularly in industries where tolerances are extremely tight, such as electronics, medical devices, and automotive manufacturing.

Wire Cutting Machining

Our mold-making process is enhanced by Sodick wire-cutting machines, renowned for their precision and reliability. These machines allow us to achieve extremely accurate cuts, particularly for intricate details and hard steel alloys. With Sodick's advanced linear motor technology, our wire-cutting machines consistently deliver precision to within microns, ensuring the highest quality in mold inserts and components. This precision is key to producing molds that meet the exacting demands of industries such as electronics and automotive, ensuring flawless results every time.
Mold Wire cutting
Polish mold surface finish

Milling, Grinding, Polishing

Our milling and grinding machines, combined with our dedicated mold polishing department, play a critical role in achieving the precision and smooth surface finishes required for high-quality molds. Our advanced milling machines handle the detailed shaping and contouring of mold components, ensuring each part meets tight tolerances. The grinding machines further refine these surfaces, eliminating any imperfections and ensuring the molds are dimensionally accurate. Following this, our skilled polishing team meticulously hand-polishes each mold, enhancing the finish and ensuring the mold cavity is smooth and free of defects. This process is vital in mold making, as a well-polished mold not only extends the mold’s lifespan but also ensures that the final plastic parts are free of imperfections, providing a flawless appearance and superior performance in high-volume production runs.

Surface Finishes

At Silkbridge, we understand that the surface finish of a mold is crucial to the appearance and functionality of the final product. That's why we offer a wide variety of surface finishes to meet the specific needs of our customers. Whether you require a high-gloss, mirror-like finish for aesthetic parts or a textured surface for better grip or optical properties, we have the expertise and equipment to deliver. We can achieve finishes ranging from smooth, polished surfaces to custom textures and grain patterns, depending on the application. Our team works closely with customers to ensure the surface finish aligns with their design specifications and product requirements. This flexibility ensures that every part produced from our molds not only meets but exceeds expectations, delivering both visual appeal and functional performance across industries like consumer electronics, automotive, and medical devices.
Plastic surface finish
Mold Workshop

Large Mold Assembly Area

Once each component is crafted to perfection, we have a dedicated large mold assembly area where our experienced technicians meticulously assemble the molds. Every piece of equipment needed for mold assembly is available in-house, from high-precision torque tools to advanced alignment jigs, ensuring that all parts fit together seamlessly. This step is crucial to ensure that the mold will operate smoothly and consistently during the injection molding process.

Advanced Quality Control for Mold Making

At Silkbridge, quality control is a continuous process that begins with the selection of materials and continues throughout every stage of mold production. We use the highest quality steel for mold-making, including premium-grade hardened steels that ensure durability and long mold life. All steel is inspected and tested for hardness, uniformity, and quality before any machining takes place. Our quality control team utilizes the latest in inspection technology, including CMM (Coordinate Measuring Machines), optical comparators, and digital micrometers to verify that all dimensions are within exact tolerances. Every mold component undergoes stringent inspection, from the initial steel block to the finished mold, ensuring the highest levels of precision at every step.
Quality Control
Engineering

Mold Design

Mold design is one of the most critical aspects of plastic injection molding, as it directly impacts the quality, efficiency, and cost-effectiveness of the entire production process. A well-designed mold ensures optimal part performance, minimizes material waste, and reduces cycle times, ultimately saving significant costs over the lifespan of a project. At Silkbridge, our highly experienced mold designers bring years of expertise to every project, using the latest design software to create molds that are precise, durable, and tailored to each customer’s specific needs. Our design team understands the complexities of mold flow, cooling systems, and part ejection, ensuring that each mold operates efficiently while maintaining the highest product quality. By investing in a superior mold design from the outset, our customers benefit from reduced production downtime, lower maintenance costs, and a more efficient manufacturing process, leading to substantial long-term savings.

The Importance of Precision in Mold Making

Precision is the foundation of a successful mold, especially in plastic injection molding. Even the smallest deviation can result in defects in the final plastic part. That's why our team focuses on extreme accuracy in every detail, from the mold cavity design to the placement of ejector pins, cooling channels, and parting lines. By controlling every aspect of the mold-making process, we ensure that the molds we produce not only meet but exceed our customers' expectations for accuracy, durability, and performance.
Complex Injection mold
complex mold

Unparalleled Experience and Expertise

With years of experience in the industry, Silkbridge’s mold-making team is highly skilled in crafting molds for a wide range of industries, including electronics, automotive, consumer goods, and more. We understand the critical role that a well-made mold plays in the success of your product, which is why we’re committed to delivering molds that are not only precise but also durable and cost-effective.

Silkbridge Electronic Technology

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  • Dongguan Silkbridge Electronic Technology Co., Ltd. 42 Dongkeng South Avenua, Dongkeng Town, Dongguan City, Guangdong, China

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