16 years one-stop China custom CNC machining parts factory
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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2026 08 18 Common high-gloss CNC machining defects in aluminum parts include horizontal tool lines, vertical chatter marks, entry and exit marks, uneven bright-edge width, white spots, burrs, and scratches. Preventing them requires control of the cutting tool, spindle, fixture, finishing allowance, toolpath, cleaning, inspection, and post-machining handling.
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VMT 2026 08 18 CNC high-gloss machining is a precision cutting process used to create bright, reflective metal surfaces such as aluminum bright edges, chamfers, decorative rings, flat faces, and CD textures. Surface quality depends on the material, tool condition, machine stability, fixturing, toolpath, finishing allowance, and post-machining handling.
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VMT 2026 08 18 CNC milling, or computer numerically controlled milling, is a machining process that uses computer-controlled rotating multi-point cutting tools to incrementally remove material from a workpiece. It can produce custom-designed parts with flat surfaces, pockets, slots, holes, threads, contours, and complex 3D features in metals and engineering plastics.
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VMT 2026 08 17 In this comprehensive guide, we’ll explore everything you need to know about stainless steel fasteners, including their types, material grades, selection principles, and industrial applications. We will also break down the differences between CNC machining and cold heading, outline critical custom manufacturing considerations, and share a case study on solving stainless steel fasteners sealing, galling and premature corrosion challenges.
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VMT 2026 08 15 Thanks to its unique advantages of speed, high weld strength, and clean, precise execution, laser welding is highly popular for thin-walled, high-precision components—especially those requiring minimal thermal distortion, high aspect ratios, or superior hermetic sealing.
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VMT 2026 08 13 Mechanical testings evaluate your product’s strength, elasticity, and resistance to high-temperature deformation, which ensures the reliable performance and safety. Without proper mechanical test methods to verify materials and guarantee quality through data, parts’ project could face an increased risk of catastrophic failures, potentially leading to safety hazards, budget overruns, and severe delays. Therefore, understanding these mechanical tests is essential to safeguarding product integrity and functionality , as well as for smoothly pushing forword the project. By assessing key material properties under controlled conditions, mechanical testing helps you avoid these pitfalls and optimize performance.
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VMT 2026 08 13 Aluminum deep drawing is a metal-forming process that uses a punch, die, and blank holder to transform flat aluminum sheet into a cup, shell, housing, or enclosure. After forming, CNC machining can add precision holes, threads, slots, sealing surfaces, and assembly features that are difficult to control during the drawing operation alone.
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VMT 2026 08 13 Aluminum extrusion stretching is a controlled post-extrusion operation used to straighten profiles, reduce internal stress and distortion, and improve dimensional stability. The correct stretching condition is not one universal percentage; it depends on alloy, profile geometry, temper route, straightness requirements, and final part tolerances.
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