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The Complete Handbook of Metal Injection Molding: A Guide to Design, Materials, and Applications

Metal Injection Molding (MIM) is an innovative manufacturing process that combines the benefits of plastic injection molding with metallic materials to produce high-quality, complex parts in large quantities. MIM is becoming increasingly popular in industries such as aerospace, automotive, medical, and electronics, as it offers exceptional precision, design flexibility, and cost-effectiveness compared to traditional manufacturing techniques like machining or casting.

This handbook is a comprehensive guide to MIM that covers everything from the basics of the process to the latest advances in materials, design, and applications. Whether you are a product designer, engineer, or manufacturer, this handbook is a valuable resource that will help you optimize your MIM production and get the most out of this exciting technology.

Chapter 1: Introduction to MIM\

This chapter provides a detailed overview of MIM, its history, advantages, limitations, and key applications.

Chapter 2: Design Guidelines for MIM\

This chapter covers the best practices for designing parts for MIM, including dimensional tolerances, draft angles, wall thickness, gating, and parting lines.

Chapter 3: Materials for MIM\

This chapter explores the wide range of materials that can be used for MIM, including stainless steel, titanium, copper, tungsten, and more. It also covers the selection criteria for different materials based on their properties, cost, and performance.

Chapter 4: MIM Process Fundamentals\

This chapter delves into the technical aspects of the MIM process, including feedstock preparation, molding, debinding, and sintering. It also includes insights on common defects and how to prevent them.

Chapter 5: Quality Control for MIM\

This chapter discusses the various quality control techniques used in MIM, such as dimensional inspection, mechanical testing, and surface analysis, and explains how to ensure the quality of MIM parts.

Chapter 6: Advanced Topics in MIM\

This chapter highlights the latest advances in MIM, including multi-material MIM, micro MIM, and hybrid MIM technologies. It also covers emerging applications in fields such as aerospace, medical, and consumer electronics.

Chapter 7: Conclusion\

The final chapter summarizes the key takeaways from the handbook and provides recommendations on how to apply MIM in your projects. It also includes a comprehensive list of resources, including relevant books, journals, and organizations.

In conclusion, this handbook is a must-have reference for anyone interested in metal injection molding. With its in-depth technical coverage, practical tips, and real-world examples, this handbook will help you unlock the full potential of MIM and create high-quality, complex parts that meet your exact specifications. So, what are you waiting for? Download your copy now and start exploring the exciting world of MIM!

handbook of metal injection molding pdf download

On-demand Rapid Injection Molding

Sigma’s rapid tooling service helps you to have the low volume to large volume plastic parts done, with no compromise on the material selection.

  • No MOQ required
  • Get the rapid tooling as fast as 2 weeks
  • Free DFM
  • 24/7 engineering support

Our rapid injection molding Application

Sigma Technik Limited's rapid injection molding service injects molten plastic materials into molds using injection molding machines and molds, and cools and solidifies them over a certain period of time, ultimately forming the required plastic parts. This manufacturing process is usually suitable for producing small and medium-sized plastic parts, which can obtain high-quality and precise parts in a short period of time.

Plastic Injection Molding

Injection molding is a common manufacturing process to produce low volume to large volumes of parts typically made out of plastic. The process involves injecting molten material into a mold and letting it cool to a solid-state.

Liquid Silicone Rubber Molding

Liquid Silicone Rubber is known as LSR, which is a process used to produce parts made from silicone rubber, widely used create products such as medical devices, automotive parts, baby care products, and many others.

2K Injection molding

2K injection molding is a manufacturing process in which two different types of plastic materials are molded together in a single operation to create a single homogeneous component. This process allows for efficient and cost-effective production of high-quality parts that can perform unique functions.

Overmolding and Insert Molding

Overmolding / Insert molding combines two or more materials into a single part, one of the material is usually soft and flexible, or metal. The purpose of overmolding/insert molding is to add functionality, improve grip, provide protection, or enhance aesthetics.

Mission And Vision

Rapid injection molding materials

ABS

ABS is a type of plastic with high strength, hardness, and toughness. It has good impact resistance and wear resistance, and is suitable for manufacturing shells, components, and models.

PC

PC is a transparent, high-strength, high-temperature resistant, and excellent electrical insulation material. It is suitable for manufacturing transparent components, electronic components, and automotive components.

PP

PP is a relatively flexible material with excellent corrosion resistance and high temperature resistance. It is suitable for manufacturing containers, pipelines, baby bottles, etc.

PA

PA is a material with high strength, high rigidity, and wear resistance. It is suitable for manufacturing gears, bearings, brackets, etc.

POM

POM is a material with excellent wear resistance, toughness, and rigidity. It is suitable for manufacturing gears, bearings, pulleys, etc.

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About Us

What can we do?

Sigma Technik Limited, as a prototype production company and rapid manufacturer focusing on rapid prototyping and low volume production of plastic and metal parts, has advanced manufacturing technology, one-stop service, diversified manufacturing methods, on-demand manufacturing services and efficient manufacturing processes, which can provide customers with high-quality, efficient and customized product manufacturing services and help customers improve product quality and market competitiveness.

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Rapid Injection Molding Service Application

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Rapid Injection Molding FAQs

Burrs appear on the surface of the product, which affects its aesthetics and safety. The solution can be to adjust the parameters of the injection molding machine, such as temperature, pressure, speed, etc., or to perform post-processing, such as polishing, sandblasting, etc.

The warping deformation of the product is usually caused by unstable parameters such as temperature and pressure of the injection molding machine, or improper mold design. The solution can be to adjust parameters such as temperature and pressure, or to redesign the mold.

The occurrence of bubbles inside the product may be due to the high temperature of the injection molding machine and the high moisture content of the material. The solution can be to reduce the temperature of the injection molding machine, adjust the water content of the material, increase the pressure of the injection molding machine, etc.

The product size deviation is too large, which may be caused by material thermal expansion, mold deformation and other reasons. The solution can be to adjust parameters and optimize mold design based on material characteristics.