This technology process produces an injection molded part with two ( maybe two or three) different colors of plastics materials in a single end part. The 2k injection moulding machine has two injection units: one vertical and one horizontal. or both are horizontal injection units. By using a rotating mold of the core side, the machine automatically produces a substrate of one color material and over-molded the part with the second color material.
SINCERE TECH provides two-shot molding, and custom Plastic Molds & plastic injection molding service to all of the industries. Our state-of-the-art mold facilities and molding machines include a variety of processing and finishing equipment to manufacture plastic molds and parts from many types of industries, including complex specialty injection molds, such as:
Two-Shot Molding: Colorful Solutions for Plastic Molding Parts
Two-Shot Molding (also called 2k mold, double injection molding) are a cost-effective method to produce plastic parts with two or more colors moulded at the same time, such as radio control buttons or dashboard faceplates.
Two-Shot molding is a relatively new, rapidly growing technology. It is replacing older, two-step systems, eliminating a secondary process to add logos, graphics or text. New computer technology and advanced materials have promoted the growth of the two-shot process.
The two-shot process first injects one color material into the mold, then injects the second color around or over the first color. There are also multi-shot processes for parts with more than two colours.
Two-Shot Molds: Benefit From New Technology
Some of the benefits of producing plastic parts using a multi-shot molding process include:
Produce more complex parts
Produce multi-coloured or multi-resin parts in one molding process, save time and cost, and keep high-quality molding parts
Parts with movable segments or components using “in-mold assembly”
Allows the first material to cool before the second one is injected
Designers and engineers are constantly coming up with new uses for plastic injection molding parts produced with the two, three or four step molding process. Just a few of the many types of these products include:
Multi-colour molded parts
Toys with movable parts
Parts with seals molded in
Soft grip handle inserts
Automotive A/C or heater louvers
Two shot molding
Part design and mold design for Two-shot mold
Part design & mold design for 2K injection molding is totally different, because the molding machine is different to single colour molding machines, there are two shot molding machine has two nozzles in one machine, but there are three types of different Multi-Component Injection Molding machines (vertical nozzle, parallel nozzle, 45 degree nozzle), each type of machine needs different mold design, before design the 2K mold you must know the data of 2K molding machine in advance, to know how to design the two color mold you can download the Multi-Component Injection Mold Design Guild document below,
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