41 High Performance Live Centres LD Series Type LDA Centre spindle with 1:5 external taper for interchangeable tapered caps. Spring loaded for expansion compensation, without pressure indication Runout max. 0.005 mm, with test report Application Workpieces with large bores. Retaining and extraction screws are included with these centres. 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 1000 40 50 100 200 300 400 500 3000 2000 5000 4000 10000 Axialbelastung daN Drehzahl 1/min Drehzahl 1/min 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 Radialbelastung daN Werkstückgewicht daN 4 3 2 1 5 RA AA 4 3 2 1 5 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 1000 40 50 100 200 300 400 500 3000 2000 5000 4000 10000 Axialbelastung daN Drehzahl 1/min Drehzahl 1/min 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 Radialbelastung daN Werkstückgewicht daN 4 3 2 1 5 RA AA 4 3 2 1 5 Radial and axial loads for a bearing life of 2000 working hours (see calculation example page 11) Radial – Type LDA Axial – Type LDA d D K1 60° L LA LC LB DG K1 K2 r.p.m. r.p.m. workpiece weight daN radial load daN axial load daN Type LDA ID.No. 710A 045002 710A 055003 710A 068004 710A 092005 710A 127006 Morse taper 2 3 4 5 6 K1 18 23 28 38 48 K2 14.3 18.4 22.3 30.4 37.6 DG 45 55 68 92 127 LA 22 26 31 42 58 LB 45 51 63 82 109 LC 70 82 99 129 173 Workpiece weight max. daN* 280 320 900 1400 3600 Spring travel 0.85 0.95 1.4 1.8 2.8 r.p.m. max.* 5500 5000 4000 3500 2300 Radial/axial load graph RA1/AA1 RA2/AA2 RA3/AA3 RA4/AA4 RA5/AA5 Available with draw-off thread and draw-off nut (design A, page 34) *observe the load graphs Basic body Tapered cap KA Type LDA internal taper 1:5 ID.No. through hardened alloy tool steel ID.No. D d K1 L 710A 045002 7KA2.056 56 15 18 44 710A 055003 7KA3.068 68 18 23 51 7KA3.110 110 60 23 53 710A 068004 7KA4.080 80 20 28 60 7KA4.130 130 70 28 62 710A 092005 7KA5.110 110 30 38 80 7KA5.175 175 95 38 80 710A 127006 7KA6.150 150 45 48 101 7KA6.225 225 120 48 101 Special dimensions on request
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