Although 3D printing and cnc machining are generally considered to be diametrically opposed processes, they can actually be combined to produce good results. The part is first 3D printed and then the part is CNC machined to reduce or modify certain areas.
1, time emergency
When alternatives (usually injection molding or similar) require too much time, companies should consider CNC machining their 3D printed parts. While the sequential process of 3D printing and CNC machining involves multiple steps, the combined approach is generally faster than creating and utilizing a mold processing tool.
The combination of 3D printing and CNC machining also allows for mobile adjustment of the product or prototype, as modifying digital files is easier than modifying the injection tool.
2, accuracy is the key
The accuracy of 3D printers has increased year by year, but many industries require critical end-use components to have tolerances that are currently not achievable on 3D printers.
By combining 3D printing and CNC machining, the required precision can be achieved while still taking advantage of 3D printing, including low cost and complex internal geometry. High-end 3D printers typically achieve tolerances of ±0.005 inches, while CNC machines can compress them to ±0.002.
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