Category: molding tooling

How to Avoid Injection Molding Flow Lines Injection molding is the process of injecting molten plastic material into a mold cavity to form the desired part shape. This process requires careful monitoring and control to ensure a high-quality final product. One of the common problems in injection molding is flow lines, which are visible surface defects caused when the molten plastic flows unevenly within the cavity. To avoid flow lines in injection molded parts, there are several steps that must be taken. 1. Proper Design Considerations The first step in avoiding flow lines is to properly design the part. Considerations…

What is reaction injection molding (RIM)? Reaction injection molding (RIM) is a high-speed process for forming complex shapes from liquid-liquid polyurethane, polyurea, and other materials. It is a versatile, durable, cost-effective, and relatively low-cost manufacturing method that has been used in industrial and consumer products for over 30 years. In the RIM process, two or more liquid components are injected into a mold cavity, where they rapidly mix and react to form a polymeric material that hardens to the shape of the mold. The cured part is then removed from the mold and post-processed if needed. The process is commonly…

Know About Mold-Making Services Introduction: Mold-making services are an integral part of any industry, especially the manufacturing sector. Mold-making services involve the design and fabrication of molds that are used to shape a product. The molds are used to give a product its desired shape, size, and texture. This process is achieved by using various materials such as plastic, rubber, metal, or ceramic. The use of molds in the manufacturing process helps speed up production and reduce costs associated with production. What is Mold Making Services? Mold-making services involve the creation of molds which are then used to form a…

Flexible injection moldings: LSR vs TPE Injection molding is a process used in manufacturing to create parts and components from plastic or other materials. With the development of technology, new materials are being used in injection molding, such as liquid silicone rubber (LSR) and thermoplastic elastomers (TPE). These materials offer flexibility and strength that traditional injection molding materials cannot provide, making them ideal for a variety of applications. Liquid silicone rubber (LSR) is a versatile material that can be used in a variety of applications, including medical, automotive, and consumer products. It is a two-part system that is mixed together…

When to use metal injection molding Metal injection molding (MIM) is a process that has become increasingly popular in recent years due to its ability to create complex components with high precision at low cost. It is an ideal choice for many applications, including medical, automotive, aerospace, and electronics. However, it is important to understand when to use MIM and when another manufacturing process may be more appropriate. In general, MIM is most suitable when the components to be produced are complex and have tight tolerances. It is also useful for components that require high strength and wear resistance. The…

Overmolding Material Compatibility: A Quick Guide Overmolding is a widely used manufacturing process used to combine two or more materials to form a single part. This process has become increasingly popular for its ability to create parts with superior strength, improved ergonomics, and enhanced aesthetics. But when it comes to over-molding, one of the most important considerations is material compatibility. To ensure the best results, it’s important to understand what materials are compatible with each other and how they will interact. What is Material Compatibility? Material compatibility refers to the ability of two materials to bond with each other in…

Creating Complex Parts with Over-molding and Insert Molding Overmolding and insert molding are innovative injection molding techniques for producing multi-material composite components with enhanced properties and geometries. By combining dissimilar materials into one part, over-molding and insert molding allows functions like electrical conductivity, wear resistance, thermal insulation, shielding, friction, and sealing to be integrated. The processes enable complex geometry, undercuts, and features unachievable through standard injection molding alone. In this comprehensive guide, we’ll examine over-molding and insert molding applications, processes, materials, design considerations, and leading manufacturing solutions. We’ll explore how over-molding and insert molding creates next-generation components integrating polymers, metals,…

Advantages of Rapid Tooling and Low-Volume Molding Introduction Plastic injection molding is a ubiquitous manufacturing process used across countless industries to produce millions of plastic parts every day. However, the high cost of injection molds traditionally made mass production volumes necessary to justify the investment. Recent advances in mold manufacturing methods now enable low-volume production to be viable and affordable. New rapid tooling techniques facilitate faster and cheaper mold-making for short runs. Companies can leverage these technologies for limited production of new products for market testing before high-volume tooling commitment. This article will examine the advantages of creating tooling for…