Marlborough Plastics
Medical Grade

Insert Molding Services

Insert molding is a process in which plastic is injected into a mold that contains an pre-placed insert. The result of insert molding is a single molded plastic piece with an insert surrounded by the plastic. Inserts can be made of metals or different types of plastic. Insert molding is used in many industries.

Insert Molding Applications

Applications of insert molding include insert-molded couplings, threaded fasteners, filters, and electrical components.

Insert Molding Services Offered:

  • Engineering Application Assistance
  • RoHS Compliant
  • Multi-Cavity
  • Custom Tools and Fixtures
  • Small lot heat sinking

Heat Stake - Staking is the process of connecting two components by creating an interference fit between the two pieces. One workpiece has a hole in it while the other has a boss that fits within the hole. The boss is undersized so that it is a slip fit. A staking punch is then used to compress the boss radially and form an interference fit between the workpieces. This forms a permanent joint.

Sonic Welding - Ultrasonic welding is an industrial technique whereby high-frequency ultrasonic acoustic vibrations are locally applied to workpieces being held together under pressure to create a solid-state weld. It is commonly used for plastics, and especially for joining dissimilar materials. In ultrasonic welding, there are no connective bolts, nails, soldering materials, or adhesives necessary to bind the materials together.

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