12 High Performance Live Centres S Series Types SH, SHG Centrepoint 60° carbide-tipped Regrindable to the regrinding line Runout Type SH max. 0.005 mm Type SHG max. 0.003 mm with test report Application For cylindrical grinding and turning operations during which additional stress is put on the centrepoint (e.g. large series, change of workpiece when spindle is turning, hard workpieces, extremely small workpiece centres). For cylindrical grinding operations we recommend the use of our supplementary seal (fig. on page 10) 50 40 100 200 300 5000 400 500 1000 2000 3000 4000 10000 300 40 50 100 200 500 400 1000 2000 4000 3000 5000 10000 10000 5000 4000 3000 2000 1000 500 400 300 200 100 50 40 200 20 25 100 50 150 250 500 1000 2000 1500 2500 5000 1000 40 50 100 200 300 400 500 3000 2000 5000 4000 10000 Radialbelastung daN Werkstückgewicht daN Axialbelastung daN Drehzahl 1/min Drehzahl 1/min 3 6 2 1 4 RH AH 4 2 1 5 3 5 6 50 40 100 200 300 5000 400 500 1000 2000 3000 4000 10000 300 40 50 100 200 500 400 1000 2000 4000 3000 5000 10000 10000 5000 4000 3000 2000 1000 500 400 300 200 100 50 40 200 20 25 100 50 150 250 500 1000 2000 1500 2500 5000 1000 40 50 100 200 300 400 500 3000 2000 5000 4000 10000 Radialbelastung daN Werkstückgewicht daN Axialbelastung daN Drehzahl 1/min Drehzahl 1/min 3 6 2 1 4 RH AH 4 2 1 5 3 5 6 Radial and axial loads for a bearing life of 2000 operating hours (calculation example on page 11) Radial – Types SH, SHG Axial – Types SH, SHG r.p.m. r.p.m. workpiece weight daN radial load daN axial load daN DG DA D LA LB LC regrinding line Type SH ID.No. 5241-2 5241-3 5242 5243 5246 5244 5247 5245 5249 Type SHG ID.No. 5251-2 5251-3 5252 5253 5256 5254 5257 5255 5259 Morse taper 2 3 2 3 3 4 4 5 6 DA 13 13 20 20 25 25 35 45 58 D 7 7 11 11 18 18 18 18 30 DG 32 32 45 45 58 58 76 95 120 LA 19 19 24 24 34 34 43 59 63 LB 38 38 52 52 58 58 68 89 102 LC 63 64 82 83 99 101 120 159 178 Workpiece weight max. daN* 120 120 200 200 400 400 600 1200 2100 r.p.m. max.* 7000 7000 5500 5500 5000 5000 4000 3500 2300 Radial/axial load graph RH1/AH1 RH1/AH1 RH2/AH2 RH2/AH2 RH3/AH3 RH3/AH3 RH4/AH4 RH5/AH5 RH6/AH6 Supplementary seal ID.No. V13 V13 V20 V20 V25 V25 V35 V45 V58 MT1 5241/5251 on request *observe the load graphs With draw-off thread see pages 16/17
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