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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 22 Aerospace CNC machining refers to the high-precision and high-efficiency manufacturing process of complex components in the aerospace sector using Computer Numerical Control (CNC) technology. This process integrates advanced CNC technology, precise mechanical machining, and stringent quality control to meet the aerospace industry's demanding standards for performance, precision, and reliability. This comprehensive guide will cover the basics of aerospace CNC machining, material selection, process advantages, machining techniques, certification standards, surface treatments, machining tips, applications, and the critical importance of precision.
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VMT 2024 08 21 In engineering design and manufacturing, selecting the appropriate fit is crucial to ensuring precise assembly, stable operation, and prolonged equipment life. A fit refers to the relationship between two or more parts (such as a hole and a shaft) when assembled, impacting the product's performance, reliability, and cost. This article will explore different types of fits, including interference fit, clearance fit, and transition fit, and how to achieve these fits precisely in CNC machined parts, providing guidance on choosing the right fit for your project.
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VMT 2024 08 20 Tolerance stack-up is a critical concept in CNC machining and manufacturing, involving the cumulative effect of dimensional tolerances across multiple components during product design and assembly. During the assembly process, the dimensional tolerances of individual parts can impact the final product's dimensions and performance. Tolerance stack-up analysis aims to predict these cumulative effects using scientific methods to ensure that the product operates within design specifications. This article delves into the definition of tolerance stack-up, analysis methods, and best practices to help CNC machining professionals better understand and apply this crucial concept.
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VMT 2024 08 19 In CNC part manufacturing, Geometric Dimensioning and Tolerancing (GD&T) is a crucial concept that ensures machining accuracy and the precise communication of design intent. Among the core elements of GD&T, flatness is a key parameter that measures the deviation of a part's surface from an ideal plane. This article aims to explore the definition, notation, and symbols of flatness in GD&T, as well as tolerance zones, application methods, and various measurement techniques. It also addresses common questions about flatness, helping CNC professionals better understand and apply this important concept.
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VMT 2024 08 18 In the field of CNC machining and parts manufacturing, roughing and finishing are two critical stages that together determine the final quality and performance of a part. Roughing focuses on quickly removing excess material to set the stage for finishing, which aims to enhance the dimensional accuracy, surface quality, and overall performance of the part. This article will delve into the differences between roughing and finishing and provide a CNC machining guide to help experts and practitioners improve manufacturing efficiency and product quality.
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VMT 2024 08 17 In CNC machining, fillets and chamfers are common edge treatments that significantly impact product performance, appearance, safety, and machining efficiency. This article aims to provide an in-depth analysis of fillets and chamfers, covering their definitions, design, uses, differences, and implementation methods in AutoCAD. It will help engineers and designers make more informed decisions in CNC machining processes.
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VMT 2024 08 16 Stainless steel passivation is a crucial surface treatment technique designed to enhance the corrosion resistance of stainless steel parts, extend their service life, and improve surface finish and aesthetics. This article provides a comprehensive overview of stainless steel passivation, covering the fundamental concepts, necessity, functions, process steps, testing methods, precautions, industry standards, equipment characteristics, practical tips, and frequently asked questions. It serves as an extensive guide for professionals in the CNC machining parts manufacturing field.
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VMT 2024 08 15 Wire Electrical Discharge Machining (WEDM) is a high-precision, non-contact metal machining technique that uses electrical sparks to generate high temperatures to erode metal materials, enabling the processing of complex shapes and contours. This article will delve into the working principle of WEDM, machine components, applicable materials, precision characteristics, advantages and disadvantages, differences from traditional EDM, application areas, and frequently asked questions, providing readers with a comprehensive and in-depth understanding.
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