We're now making test cuts, so we have to pick the right speeds (spindle RPM) and feeds (gantry movement, mm/min) for various material and cutter combinations.
People also ask
How do you calculate feeds and speeds for CNC router?
Feed Rate = N x cpt x RPM
Where: > N - number of cutting edges (flutes) > cpt - chip load (chip load per tooth) is the amount of material, which should be removed by each tooth of the cutter as it rotates and advances into the work. (mm per tooth)
How fast should I run my CNC machine?
Material | Cutting Speed Under 32 HRC | Cutting Speed Above 32 HRC |
Low Alloy Steel | 100-400 | 100-200 |
Stainless Steel | 100-350 | 100-150 |
Cast Iron | 100-400 | 80-140 |
Plastics and Acrylics | 200-800 | 200-500 |
What should my CNC feed rate be?
Materials | Feedrate for various tool diameters [mm/min] | |
Plywood | 1150 | 3680 |
MDF | 1323 | 4232 |
Soft plastics | 960 | 3360 |
Aluminium | 800 | 2560 |
Where to get CNC router files?
Links from video:
Vectric - https://www.vectric.com/vectric-community/free-projects.
Thingiverse - https://www.thingiverse.com/
Instructables - https://www.instructables.com/workshop/cnc/projects/
Openbuilds - https://openbuilds.com/projects/
Pinterest - https://www.pinterest.com/
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