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pysong 05 พฤษภาคม 2566 , 09:58:45
2k Injection Moulding: Everything You Need to Know

One of the most widely accepted ways for producing plastic parts and components is injection moulding. Its use has become integral in many industries due to its low-cost production capabilities. It is an efficient way to generate large amounts of high quality plastic parts that are equally precise and strong.To get more news about 2k injection moulding, you can visit asm-mold.com official website.

Today, one of the most popular injection moulding techniques is 2K injection moulding that involves two or more different materials being combined in the same mold before being injected into the part shape. Knowing about the 2 shot molding design guidelines is important for achieving optimal results in the molding process. Here, it will discuss everything a buyer needs to know about 2K injection molding and its uses in business.
What is 2k Moulding?
2k injection moulding is a type of plastic injection molding process that uses two shot molding design to produce a single part. It is beneficial to the manufacturing industry because it reduces costs by eliminating the need for painting and post-molding operations while still producing a high quality, consistent product.
During the 2K molding process, both materials are simultaneously injected into the mold cavity. The first material is usually a rigid material like polypropylene and the second material is typically an elastomeric material such as TPE or TPV. The combination of two materials allows for more complex designs and better functionality than traditional single-material injection molding.

2k injection molding, also known as two shot molding design injection, is highly versatile and can be used to create complex and intricate parts with various design features. The most common application of this moulding process is the medical industry.

Syringe plungers – Two shot injection moulding is used to produce syringe plungers with a soft, flexible tip that is easy to use.
Inhalers – It is used to create inhalers with a soft, flexible seal that fits tightly around the mouth.
Contact lens cases – It is used to produce contact lens cases with a soft, flexible lid that prevents contamination.
Medical tubing – It is used to produce medical tubing with a soft, flexible end that fits comfortably in the patient’s body.
Surgical instruments – The process is used to create various surgical instruments like forceps and clamps that require precise designs and materials.
Some common applications of 2k injection molding other than the medical industry include the automotive industry, consumer electronics, household appliances packaging industry, sports equipment and toys.

How Does 2k Injection Moulding Work?
The double injection molding is a highly efficient manufacturing process that allows for the creation of complex, multi-material parts with high precision and tight tolerances. According to the two shot injection molding design guide, the process starts with the injection of the first material, usually a rigid thermoplastic, into a mold cavity to create the first shot of the part.

Once the first shot is complete, the mold rotates or moves to a second station, where a second material, often a softer or more flexible material, is injected into a specific area of the first shot.The second shot can be used to create a variety of effects, including adding a different color or texture to the part or providing additional functionality, such as soft-touch over-molding or hard, structural support. For example, a two-shot molding process can be used to create a toothbrush with a hard handle and a soft grip area, all in one molding cycle.

The 2 shot molding process is ideal for creating parts with complex geometries, such as gears or multi-component assemblies, as it allows for precise placement of the second material. Additionally, the process can help reduce production times and costs as it eliminates the need for separate molding and assembly operations.