Cable overmolding and insert molding
Low pressure elastomer and thermoplastic overmolding across variety of industries in record fast lead times
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Explore our recent overmolding projects across the industries and see a backstage of true insert molding technology
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We are bridging prototyping and mass production phases and standing between 3D printing and traditional molding.
(For those who love to read)
Two molds are typically used in overmolding. One is for the primary part layer - the substrate part and the second is for the second part to overlay the substrate. Overmolding allows plastics of different colors or physical properties to fuse together.
For example, a clear acrylic lens can be overmolded into a PCB plastic housing. So overmoulding is very similar to 2-shot process but requires more manpower and two molds but cheaper with less production.
2K moulding (double shot moulding)
Multi shot overmoulding is used when several resin components have to be meld together. In this way workpiece can be moulded multi colored and with required distinct physical properties, e. g. part can consist of polymer injected hard cover and elastomer injected soft cover sections. Component resins are strongly bonded chemically and thus final product is durable and wear resistant.
Main distinction between Overmoulding and 2 shot moulding is that 2K is performed with more expensive and complex machining and thus is usually more expensive and breaks even at larger production volumes.
Insert moulding is the process when usually electronics' components e. g. cables or circuit boards are encapsulated. Low pressure moulding (LPM) is used in such cases. Wires or PCBs are covered by layers of polymers to protect them from mechanical fatigue or environmental effects respectively.
As the name of LPM itself suggests low pressure allows low-viscosity materials, e. g. hot melt polyamide materials, to easily flow in room-temperature moulds with inserts in it. When solidified, insert together with overmoulded material are ejected from the cavity manually or automatically and the process is finished.
Injection molding of small parts
'Micro' is not always 'micro'. If your part can fit in your hand - mold it 2x faster and cheaper with us.
Micromolding begins when microfeatures take place and vary from 100µm to 5µm in size.