Thread: OpenBuilds Style Build
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07-07-2021 #18
Definitely too fast for some aluminium, but it's not just about RPM, it is also about the cutters you use, the diameter of them, the cutting speed (feed rate) and also the material. Not all aluminium is the same, and there are different plastics also.
As said, that may depend on many things, but most likely is the speed rate being too low, or the cutter is the wrong sort. I have had issues with some acrylic which melted on the cutter all the time, but eventually, I managed. It must however be difficult using a manual router because you don't really know the feed rate and can't really keep it constant. As soon as you slow down a bit too much, some plastics and aluminium melts and glues onto the cutter. Some times it helps if you spray with water, but I don't normally do that.
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