Magnetic Clamping Systems for Two-Color Molding Machine

Two-color injection molding machine

A two-color injection molding machine is specifically designed to produce molded parts using two different colors or materials in a single injection molding cycle. This type of machine has the capability to inject two different plastic materials into a mold simultaneously or sequentially to create a part with two distinct colors or materials. Magnetic clamping systems are very suitable for two-color injection molding machines. They are advanced mold clamping technology that uses magnetic force to clamp the mold, without the need for traditional mechanical clamping devices.magnetic clamping systems

Design Features of Two-Color Injection Molding Machine

Mold Design: Two-color molding requires careful mold design to ensure that the convex/core side of the injection mold at the two positions is the same, and the concave/cavity side fits well with the convex/core side.  The size and accuracy of the guide devices of the two molds must be consistent.

Clamping Mechanism: For parallel turntable injection machines, the clamping height must be the same for both molds. The centers of the two molds should be on the same radius of rotation, with a difference of only 180°. For vertical turntable injection molding machines, the two molds should be on the same axis.

Mold Manufacturing: The manufacturing of two-color molds requires precision and coordination to ensure the proper alignment and operation of the two molds. The molds must be constructed with suitable materials and undergo careful machining and finishing processes.

Advantages of Magnetic Clamping Systemsmagnetic platen

Increased Efficiency: Electro permanent magnetic clamping systems can change over molds within 3 minutes, reducing the time required and increasing production efficiency.

Improved Accuracy: They provide highly accurate and consistent clamping force, resulting in more precise and consistent molding results.

Increased Safety: These clamping systems do not require hydraulic or pneumatic lines, reducing the risk of leaks and accidents. Additionally, they have built-in safety features such as automatic clamp monitoring and release in case of power failure.

Flexibility: Magnetic clamping systems can be customized and easily adapted to different mold sizes and configurations.

Suggestion of Magnetic Clamping Systems

It’s beneficial to consult with manufacturers or industry experts to get additional guidance and recommendations based on your unique circumstances. For more information, please contact HVR MAG at

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