Bernardo general catalog jaw chucks and accessories Page 8
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-lathe chuck Concentricity of lathe chucks B B B B 10 Take care at measuring: 10 p n 10 d D 10 1. The concentricity of the machine spindle (see table below) 2. Correct mounting of the chuck on the spindle nose w A s A C = workpiece - Maximal inbalance (A, B, C) at jaw openings d1, d2 und d3 C L mm Chuck size 80 100 125 160 200 250 315 400 d1 10 10 18 18 30 30 53 53 d2 - 14 25 30 40 53 75 100 d3 14 18 30 40 53 75 100 125 L 40 40 60 60 80 80 120 120 n 40 40 50 50 80 80 125 p 60 75 100 135 162 200 s 35 50 62 88 96 150 w 63 80 100 100 160 500 630 800 75 75 160 100 125 200 125 160 250 160 160 160 125 200 200 325 252 282 282 325 500 210 250 300 400 400 160 250 250 400 400 500 A+B Radial runout PS/PO 0,02 0,02 0,03 0,03 0,04 0,04 0,05 0,06 0,10 0,10 0,11 C 0,015 0,015 0,02 0,02 0,025 0,025 0,03 0,03 0,05 0,05 0,06 A+B Radial runout DK 0,08 0,08 0,08 0,08 0,08 0,08 0,12 0,12 0,14 0,14 0,16 C 0,03 0,03 0,03 0,03 0,03 0,03 0,04 0,04 0,05 0,05 0,06 Axial runout PS/PO Axial runout DK a (mm) DIN 6386 II 0.16 DK 0.14 0.12 DIN 6386 I PS/PO 0.10 0.08 a D 0.06 0.04 0.02 80 100 125 160 200 250 315 400 500 630 800 1000 D (mm) Requirements for compliance the above mentioned concentricity mm A A B A B I. Correct mounting of the lathe chuck on the spindle nose II. The concentricity of the spindle nose must be in accordance to the right data PO PS, DK Diameter Concentricity 80-400 0,003 500-630 0,005 80-160 0,003 200-800 0,005 8 You are welcome to request our current special offer catalogue at www.bernardo.at
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