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The VMT blog is dedicated to sharing our hard-earned knowledge in prototype manufacturing. We hope these articles will help you optimize your product designs and gain deeper insight into the world of rapid prototyping. Enjoy the read!
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2024 08 14 When it comes to CNC machining and manufacturing, selecting the right type of steel is crucial to ensuring product performance, durability, and cost-effectiveness. 1045 steel and 4140 steel are two commonly used materials, each with unique chemical compositions, mechanical properties, and ideal use cases. This guide aims to provide a thorough understanding of these two types of steel, helping readers make informed decisions based on their project requirements.
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VMT 2024 08 13 In the field of CNC machining and parts manufacturing, selecting the right steel material is crucial. Among the commonly used alloy steels, 4140 and 8620 each have distinct chemical compositions, physical properties, and applications. This article provides a detailed comparison of 4140 and 8620 steels, analyzing them from the perspectives of chemical composition, mechanical properties, machinability, heat treatment, and applications. This guide aims to serve engineers, designers, and material procurement professionals with a comprehensive reference.
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VMT 2024 08 12 The brushed metal surface treatment process involves using mechanical or chemical methods to create fine and uniform textures on the metal surface, imparting a unique tactile and visual effect to the material. This article aims to provide a comprehensive introduction to the brushed surface process, including its definition, operation procedures, influencing factors, applicable materials, common types, comparisons with other surface treatments, areas of application, advantages and disadvantages, and techniques for achieving a uniform brushed finish. Finally, the article discusses VMT CNC machining parts surface treatment services and common FAQs.
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VMT 2024 08 11 Heat treatment of metals is an indispensable part of metal processing. It involves a series of techniques, including heating, holding, and cooling, to alter the internal structure of metallic materials and adjust their physical, chemical, and mechanical properties. This process not only enhances material strength, hardness, and toughness but also improves special properties like corrosion resistance, wear resistance, and heat resistance, providing a solid foundation for high-quality manufacturing of CNC-machined parts. Heat treatment technology is widely used in aerospace, automotive manufacturing, mechanical engineering, energy, chemical processing, and many other fields, making it a critical pillar of modern industrial development.
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VMT 2024 08 10 Taps are essential tools in the field of CNC machining for producing internal threads. This article aims to provide a comprehensive overview of tap types, features, applications, and selection methods, serving as a detailed reference for experts and operators in CNC machining. Readers will gain insights into the basic structure of taps, suitable scenarios for different types of taps, standard tap markings, usage precautions, and common troubleshooting tips. This knowledge will help users master tap usage techniques, improve machining efficiency, and enhance product quality.
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VMT 2024 08 09 Screen printing, also known as silk screen printing, is a widely used printing technique that employs a mesh screen as a stencil. Ink is forced through the mesh by a squeegee onto various surfaces. Due to its flexibility, cost-effectiveness, and high-quality print results, screen printing is extensively applied across numerous industries. This article will delve into the screen printing process, types, advantages, and applications, and will compare it to other printing methods, aiming to provide CNC machining professionals and industry experts with a comprehensive understanding.
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VMT 2024 08 08 Threads play a crucial role in CNC machining for parts manufacturing, serving as essential elements for connection, transmission, and sealing. Understanding the types of threads and their geometric parameters is vital for ensuring machining precision, connection reliability, and performance. This article begins with the definition of threads and explores their geometric parameters, characteristics of different thread types, tools and methods for identifying threads, and essential tips for selecting the correct threads. Additionally, it addresses common questions about thread types and geometric parameters.
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VMT 2024 08 07 Brass and copper, while often confused due to their similar names, differ significantly in their material properties, applications, and processing methods. This article explores these differences in detail, covering ten key aspects: elemental composition, corrosion resistance, weight, durability, machinability, weldability, conductivity, strength, appearance, and hardness. It also includes an overview of red copper and brass, quick identification methods, factors affecting their longevity, and recommendations for material selection in projects.
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