Automotive Applications of CNC machining 17 CNC machining has many applications

Automotive applications of cnc machining 17 cnc

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Automotive Applications of CNC machining
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17 CNC machining has many applications in the electrical and electronic manufacturing industry: from the prototyping of PCBs to the manufac- turing of enclosures. TPAC, for example, used CNC machining to manu- facture an enclosure for their high-power electronic sensing systems. Heat dissipation and electrical insulation were the main design re- quirements in this case. So, CNC machined anodized aluminum was ideal for their one-off custom enclosure. Electrical & electronic manufacturing A very common industrial application of CNC machining is the fabrication of tooling for other processes. For example, the molds in Injection Molding are commonly CNC machined from aluminum or tool steel. Precious Plastic, for instance, developed a system for the devel- oping world that turns waste plastic into iPhone cases! For this pur- pose, they used a low-cost manual injection molder and custom CNC machined molds. Tooling & Industrial manufacturing High-performance sports & motorsports manufacturers always try to increase the performance of their products by reducing their weight. CAKE is a Swedish company that designed and developed the first off- road electric motorbike. Since it is the first of its kind, every single com- ponent of the motorbike was custom-made with CNC to achieve the intended level of quality and durability. Sports & motorsports equipment
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18 CNC machining vs. 3D printing To summarize: CNC offers greater dimensional accuracy and produces parts with better mechanical properties than 3D printing, but this usually comes at a higher cost for low volumes and with more design restrictions. Read the full comparison Both CNC machining and 3D printing are exceptional tools in the arse- nal of an engineer. Their unique benefits make each more suitable for different situations though. When choosing between CNC machining and 3D printing, there are a few simple guidelines that you can apply to the decision making process. As a general rule of thumb parts with relatively simple geometries, that can be manufactured with limited effort through a subtractive pro- cess, should generally be CNC machined, especially when producing metal parts. Choosing 3D printing over CNC machining makes sense when you need: > A low-cost plastic prototype > Parts with very complex geometry > A turnaround time of 2-5 days > Speciality materials
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19 Scalling up production If high volumes are needed (1,000’s or more), neither CNC machining nor 3D printing are likely to be suitable options. In these cases, form- ing technologies, such as investment casting or injection molding, are more economically viable due to the mechanisms of economies of scale. For quick reference, use the table below. In this simplification, it is assumed that all technologies are able to produce the geometry of the part in question. When this is not the case, 3D printing is generally the preferred method of manufacturing.
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