KIPP Catalog Operating Elements & Standard Elements Page 873
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K0643 Mandrel collets with side lock Material: Mandrel mild steel. Clamping screw carbon steel. B D ≥D* ≥D* D1 h8 Sample order: K0643.118029 Note: The side lock make these mandrel collets ideal for finish machining parts with blind internal diameters. The diameter “D” can be turned or milled to suit the workpiece ID. H3 D3 H SW H1 H SW Version: Mandrel black oxidised. Clamping screw tempered to 10.9, hardened and PTFE coated. H2 D H2 H1 A Manual tightening with hexagon socket wrench. * D min. = smallest diameter to which “D” may be turned or milled. D2 D1 h8 Assembly: Expand the mandrel approx. 0.1 mm over the relaxed diameter. Turn or mill the mandrel to suit the internal diameter of the workpiece. A locking ring is included for machining. The shank or flange is centred in a reamed hole or pocket. Form A is supplied with 6 fastening screws. D4 Drawing reference: Form A: for machining centres, drilling and milling machines Form B: with shaft for holding in lathe chucks 6x 60 ° (= 360 °) KIPP Mandrel collets with side lock Order No. 872 Form D D min. D1 D2 D3 for screw ISO 10642 D4 H H1 H2 H3 SW Tightening torque max. Nm Clamping force max. kN K0643.118029 A 28,7 17,8 50 - M4 39,4 41,3 22,4 17,5 - 6 66 20 K0643.218053 B 53,3 18 53,3 25 - - 44,4 25,4 21 45 6 66 20
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