The second thing you need is a fairly accurate and flat CNC machine. You can absolutely engrave with a lower RPM, but it's not going to be very efficient for high efficiency, you're going to need lots of RPM. It's important to have a high-speed spindle because most cutters used for engraving are very tiny, and tiny cutters need a lot of RPM to move through the material at a reasonable speed. There's not a clear definition of what that means but we'd say that anything over 12,000 RPM is "high-speed". Ideally, a CNC machine used for engraving would include a high-speed spindle. What CNC machines are used for engraving?Īlmost any CNC machine can be used as an engraving machine, whether that's a CNC Router or a desktop CNC machine, although there are a few features that can make a particular machine more suitable for engraving. In most cases engraving is decorative so it's more important to make the final part look good than to hit specific dimensions, which give you a lot of freedom to pick the machine and cutter that will be most productive for you. Engraving can also be used to add markers, measurements, or alignment points to mechanical items. Engraving is frequently used to add text for personalization or other information, like branding or serial numbers. Engraving is a shallow cut into your part to create fine detail.
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