Общий каталог Widia 2017 - страница 974

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Copy Mills • M170™ Series Additional Application Advice • RD1604.. Selecting the Correct Cutting Values 1. fz depends on the Ap1 and ae values With round inserts, two factors can affect the hm: Ap1 and ae. fz has to be adjusted accordingly. Recommended Starting Feed Rate Values (fz) Related to the Ap1 and ae Values: ae engagement 10% 20% 30% 40% 50% 100% Example applicationhighlighted. Ap1 = 1mm 1,52mm 1,07mm 0,88mm 0,76mm 0,68mm 0,48mm Ap1 = 2mm 1,07mm 0,76mm 0,62mm 0,54mm 0,48mm 0,34mm Ap1 = 3mm 0,88mm 0,62mm 0,51mm 0,44mm 0,39mm 0,28mm Ap1 = 4mm 0,76mm 0,54mm 0,44mm 0,38mm 0,34mm 0,24mm Ap1 = 5mm 0,62mm 0,44mm 0,36mm 0,31mm 0,26mm 0,20mm Ap1 = 6mm 0,54mm 0,38mm 0,31mm 0,27mm 0,24mm 0,17mm Example Cutting Conditions for iC16mm... Insert in Pocketing, up to 3 L/D approximately: TN2505 TN6525 TN6540 feed per tooth fz (mm)/ae>50% insert = RDPX1604M0SN min med max min med max min med max Edge Geometry MM ae>50% Recommended starting Ap1 = 3mm – – – 0,28mm 0,45mm 0,65mm 0,28mm 0,50mm 0,70mm Edge Geometry MH ae>50% Recommended starting Ap1 = 3mm 0,28mm 0,35mm 0,50mm 0,28mm 0,50mm 0,75mm 0,28mm 0,60mm 0,80mm 2. Ap1 and vc corrections depend on L/D ratio With increasing L/D ratios, or overhang, vibrations can occur due to reduced rigidity. To ensure successful application, it is recommended to adjust Ap1 and vc values according to the following table: L L % of Ap1 max % of vc L/D ratio to reduce to reduce D <2 0% 0% 24 80–95% 20–40% D Recommended Cutting Conditions • Helical Interpolation from Solid D min hole max hole diameter Ap1 max per max ramp Ap1 max cutter diameter diameter (flat bottom) revolution angle when plunging Cutter Diameter 32 36mm 48mm 3mm 20° 3mm 50 69mm 84mm 8mm 9,5° 4,8mm 52 73mm 88mm 8mm 8,2° 5mm 63 95mm 110mm 8mm 5,5° 4,7mm 66 101mm 120mm 8mm 4° 4,2mm Hole 80 129mm 144mm 8mm 3° 4,1mm Diameter 100 169mm 184mm 8mm 2,4° 4,6mm 125 219mm 234mm 8mm 2,2° 4,4mm M70 widia.com