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!
Get an Instant Quote
All uploads files are safe and confidential
VMT 
2026 09 10 what are the main pros and cons of CNC vs. manual machining? Do they align with your project requirements? What are their differences in precision, cost, flexibility, and speed? Read on to learn more about CNC machining vs. manual machining and make the best engineering decisions. At the end of this article, we will also analyze a case study where our factory provided high-precision 5-axis CNC machining services to achieve tight tolerances (±0.01 mm) and fast delivery times for complex drone components.
66
Read more
VMT 2026 09 09 The CNC milling process typically includes drawing review, DFM analysis, material preparation, machining planning, CAM programming, fixturing, rough machining, semi-finishing, finish machining, in-process inspection, deburring, surface finishing, final inspection, packaging, and shipment.
66
Read more
VMT 2026 09 08 A wide variety of custom metal parts play a vital role in the aerospace, automotive, and electronics industries. Successfully manufacturing high-quality metal components requires choosing the optimal production process based on specific material selection and project requirements, such as volume, lead time, accuracy, and quality standards. Among the most common manufacturing techniques for metal parts, including CNC turning, CNC milling, extrusion, stamping, forging, and casting, each offers unique advantages for distinct applications. Furthermore, beyond material selection and processing, choosing the right surface finishing option is essential for achieving desired aesthetics, wear resistance, or corrosion protection.
66
Read more
VMT 2026 09 08 Deburring is a critical post-processing operation in precision CNC machining and metal fabrication that removes sharp edges, raised ridges, and unwanted material (burrs) to ensure functional safety, precise fit, and optimal surface quality. Untreated burrs can lead to part failure under operational stress or require costly rework across applications ranging from aerospace to consumer electronics.
66
Read more
VMT 2026 09 04 Sheet metal punching vs stamping are two important processes in sheet metal fabrication. Metal punching uses a punch machine to create holes or cutouts in thin metal sheets, while metal sheet stamping combines multiple operations, including punching, blanking, embossing, bending, flanging, and coining, to shape sheet metal into 3D components. It seems that these two terms are very easy to identify, however, they could be different from each other from many details. However, choosing the right one from metal punching vs stamping requires careful evaluation of design complexity, material suitability, production volume, tooling and piece costs, lead time, and process limitations, etc. Otherwise, it could lead to budget overruns, production bottlenecks, and compromised part quality if the wrong one is selected.
66
Read more
VMT 2026 09 02 Finishing processes can make the surface of CNC machined parts smooth and mirror-like! Electropolishing and mechanical polishing are precisely the two mainstream processes, each with its own pros and cons. Imagine this situation: after spending time and money on CNC machining services for your custom products, you choose an inappropriate process during the post-processing stage (when choosing between electropolishing and mechanical polishing). This could lead to surface roughness exceeding specification requirements, passivity failure, or unexpected secondary machining overhead—how frustrating that would be.
66
Read more
VMT 2026 09 01 Designing parts for CNC machining (DFM) can be a daunting task, especially for those new to the process. Incorrect designs can lead to increased production costs, longer machining times, and even part failures, ultimately impacting your project's success and your business's bottom line. Understanding Design for Machining (DFM) guidelines is essential for creating efficient, high-quality components that meet your specifications and performance requirements.
66
Read more
VMT 2026 09 01 Aluminum, one of the most versatile materials in manufacturing, is widely used in industries such as automotive, aerospace, electronics, and construction due to its lightweight, durability, and excellent resistance to corrosion. However, despite its inherent strength, raw aluminum is often prone to surface imperfections, environmental degradation, and oxidation over time. To enhance its appearance, durability, and performance, aluminum often undergoes various coating processes, each tailored to specific industrial needs.
66
Read more
+86 15099911516
