1423 ae · ap · Vf 1000 Time-chip volume Q = (cm3/min) n · π · ae 1000 Cutting speed and rpm – Copying milling Vc = (m/min) Vc · 1000 π · ae n = (m/min) ap (d1-ap) ae = 2 · (mm) ! ae = Pitch ap = Depth Calculation of cutting speed, rpm, feed speed and feed per tooth Explanation of Karnasch pictograms and graphics Material-Icons E.MAX FOR CAD/CAM TECHNOLOGY Glass ceramic For CAD/CAM controlled machining AFK Aramid material to be machined / processed: Aramid (Kevlar) Laminate PA material to be machined / processed: Polyamide, a semi-crystalline engineering plastic PEEK GF30 material to be machined / processed: PEEK with 30% reinforced glass fiber PMMA GS material to be machined / processed: Acrylglas GS=casting PEEK CF30 material to be machined / processed: PEEK with 30% reinforced carbon fiber PMMA XT material to be machined / processed: Acrylglas XT=extrusion GF GF25 material to be machined / processed: GF=reinforced glass fiber GF25=25% reinforced glass fiber PA-66 material to be machined / processed: semi-crystalline engineering plastic PC PET PPE material to be machined / processed: plastics PE PP material to be machined / processed: plastics Vc = Cutting speed (m/min) Vf = Feed rate (mm/min) fz = Feed per tooth (mm) ae = Width of cut (mm) ap = Depth of cut (mm) n = rpm 11 Index 10 9 OIL 8 7 6 5 4 3 2 1
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