20 High Performance Live Centres NC Series Types NCE 34, NCE 44 For high r.p.m. Centre spindle with internal taper 1:7.5 for interchangeable inserts with draw-off thread Runout max. 0.005 mm, with test report Application Variable clamping possibilities for CNC turning through interchangeable inserts. In the case of a collision or insert wear, type NCE offers the advantage that, simply by changing the insert, the high performance centre is immediately ready for use again. Multiple use is made possible by eight different insert styles (page 21). The coolant does not impact the seal, but flows with reduced energy into the first labyrinth channel. There the largest part of the coolant is drained through the first drain aperture. The small residue is wiped off the seal into the second labyrinth channel and flows through the second drain aperture. SYSTEM TOP SEAL BRUCKNER TOP-SEAL-SYSTEM Type NCE ID.No 34.045-2 34.045-3 44.058-3 34.058-4 44.076-4 34.076-5 44.095-5 34.095-6 Draw-off nut ID.No. M45A M45A M60 M60 M80 M80 M100 M100 Morse taper 2 3 3 4 4 5 5 6 DA 20 20 25 25 35 35 45 45 DG 45 45 58 58 76 76 95 95 K1 11 11 15 15 22 22 28 28 LA 9 9 11 11 13 13 14 14 LB 57 57 70 70 81 81 103 103 LC 72 73 88 88 101 101 124 124 G M45x2 M45x2 M60x1.5 M60x1.5 M80x2 M80x2 M100x2 M100x2 SW (spanner flat) 16 16 22 22 30 30 41 41 r.p.m. max. 8000 8000 7000 7000 6000 6000 5000 5000 Suitable insert (page 21) 482.. 482.. 484.. 484.. 487.. 487.. 485.. 485.. Load The load of type NCE is limited by the interchangeable inserts (page 21) The thread structure of the ID.Nos. 34.045-2 and 34.045-3 is similar to that of version A, fitting the special nut for version A (page 16). LA LB LC DG DA K1 G K1 SYSTEM TOP SEAL
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