- Beiträge: 212
- Dank erhalten: 31
frankjoke schrieb: why did you choose 6mm? Do you have a lot of flat faces? Or is it because of the length?
MagIO2 schrieb: Hope I found the right words for this explaination.
Well... in one of my old post Rory said that I could attempt to use big cutters with POM. I think that a 3mm-dia cutter will have more problems 'cause it is less stiff. The biggest collect that you can order by Stepcraft is 8mm (!)tikka schrieb: I`ve said it before, but the Operating Instructions state that you should work using milling cutters with a diameter of up to 3mm, so you might attempt something the machine wasn`t meant to do. It is a desktop router afterall.
This is strange... really strange...tikka schrieb: On my machine the x axis is the first to start losing steps in case of a high load. Probably because of that smaller motor.
julius schrieb: @Frank, @magio2
So I've done a reset of my mind; set the machine at the max rpm, lowered the cut-deep to 1mm and... it works! What I could say more?
exactly - its called a spring cut.MagIO2 schrieb: Found some old tricks for POM milling in an older german thread.
1. Cut with an offset of 1/3 of the cutter diameter in a first run. After that do a final run without offset. Cutting surface will look much better then.
Rory schrieb: The best solution - for plastic for example - use a single flute, max the spindle RPM, Machine with a feed of at least 1000mm/min and take shallow passes.
Rory schrieb: T
exactly - its called a spring cut.
- Machine down in the steps of 0.5mm or 1mm or whatever you use... but leave a space of say 0.1 or 0.2mm from the final geometry. so there will be a faint line in the wall where the steps are each time.
- now machine down the full depth - so 20mm per pass - but now take the shaving (0.1 / 0.2mm) off the wall - this will give one clean face at the end.
Rory schrieb: router spindles have terrible torque at low RPM and are often air cooled..
I reduced just the DOC (Deep of Cut) from 1mm to .30mm and noise and vibrations are greatly reduced as you said.Rory schrieb: Noise and vibrations - drop the pass depth. try 0.25 as example? Its better do do this and run the machine quicker.
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