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Brass should not be a problem, don't understand why you are having trouble.
Maybe we need a close up of the cut edge, is it square, have you got vibration marks, is it smearing at the top?
Maybe a...

No problem. There are many builds on the net, but when i started making mine i found that they or intentionally skipped explaining the fine details or were just unaware of them. basically almost...

Here is a video overview of what i believe is a correctly build DIY mist fog less cooling system. Hope that helps you and others!



https://youtu.be/NVu4mCFCvmA

Have a look at this feed rate calculator:

http://www.daycounter.com/Calculators/GCode/Feed-Rate-Calculator.phtml

Free, online and easy to use.

HSS is a sharper edged tool which is less fragile and more forgiving than Tungsten Carbide tooling but will not take the temperatures associated with High Speed Machining so at the cost of reduced...

Obviously I know nothing because I have no machine tools that do tens of thousands of rpm, someone will be along to tell me off in a minute, but I would happily cut that in modern brass. When I was a...

For tools smaller than 3mm you really need to find what the manufacturer says about that.

Depends on the bit though, i mean about how long lasting you expect it to be. Instead of using feed...

Try this one. I couldn't remember the name just now.

There are tools like HSMadvisor and G-Wizard, which give you a free trial and then you pay. I think that there might be some free online tools as well, but I haven't used them.

You need to use a one flute end mill, the 2 flute leave more trace on the end of tool. Especially on perspex. the rigidity has nothing to do with that, the walls are clean, so no vibrations.......

Tram the spindle as good as you can.
Use corner rounded end mills.
Get a more rigid machine. :chuncky: