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Tool holding fixturesTool holding fixtures DIN 2080Continued next pageDrill chuck holdersDesign: case hardened HRC 60-2 (HV 700-50), hardness depth 0.8 mm ± 0.2 mm, burnished.Taper angle tolerance quality 3 according to DIN 2080. Alloyed case-hardened steel with tensile strengthat the core of at least 950 N/mm 2 . With plastic edge protection ring, ring groove.Tolerances of taper shanks according to DIN 2080 AT 3.Application: for holding 3-jaw chucks. We recommend the chuck No. 21305 and 21311.Take-up shank, steep taperDIN 2080 with ring grooveSteep taper ST 30 40 40 40 50Drill chuck B 16 B 12 B 16 B 18 B 18Dimension A mm 15,5 15 17 17 20length of pilot L mm 24 18,5 24 32 32<strong>Clamping</strong> thread g M 12 M 16 M 16 M 16 M 2423272 Ident. No. 830 840 841 842 850Unit price E O. R. O. R. O. R. O. R. O. R.DMetal-cutting toolsi Tool holding fixtures selection overview page 492. Prod. Gr. 295SKAlContinued next pageShort drill chuckswith clamping force amplifier, for direct holding of drill, for right- and left-hand rotationDesign: shank according to DIN 69871 A for speeds up to 12000 1 /min. radial run-out max. 0.04 mm.Precision design with high concentricity. Short construction as tool shank and guide bush are rigidlyfixed as one unit. The chucking of the tools is done using a gear operated by hexagon socket wrench sothat it is also possible to change tools directly in the machine. It is accident-proof as it is not possible toopen the chuck during operation or if the spindle stops abruptlyApplication: for use on machining centres and CNC milling machinesAdvantage: flat precision-controlled clamping jaws guarantee maximum concentricity and clamping stability.<strong>Clamping</strong> torque at tool up to 80 Nm (1-13 mm) and 120 Nm (2.5-16 mm).ShankDIN 2080 with ring groove<strong>Clamping</strong> width mm 1-13 2,5-16 2,5-16Steep taper 40 40 50Length A mm 80 97 101Ø D 1 mm 43 56 5621318 Ident. No. 801 806 826Unit price E O. R. O. R. O. R.* Pre-balanced according to balancing G16.h Drill chuck with shank DIN 69871 B, with internal coolant supply, on request.i Tool holding fixtures selection overview page 492.Prod. Gr. 208Continued next pageShort drill chucks ASLprecision design for quick tool change, for right-hand rotationExecution: shank according to DIN 2080 A.Self-clamping, the cutting pressure upon drilling provides for an automatic increase of the clamping forceof the drill chuck. The clamping force can be further increased using the key included in the scope ofdelivery. 100 % concentricity testing precision check with different plug gauge diameters on differentmeasuring points, in analogy to DIN ISO 10888.Application: for single part and series production with frequent tool change for NC machines.Advantage: tool change is possible in just a few seconds.Shank DIN 2080<strong>Clamping</strong> width mm 1-13 1,5-16 1,5-16Quick-release taper ST 40 40 50Length A mm 82 84 83Ø D mm 50 56 5621323 Ident. No. 134 164 165Unit price E O. R. O. R. O. R.DAi Tool holding fixtures selection overview page 492. Prod. Gr. 209Continued next pageShort drill chuckswith special key for right-hand rotationPrecision design. Self-locking, the clamping force automatically increases in proportion to the torque. Itis impossible for the cutting tool to loosen even if the spindle stops suddenly. Fast action clamping viaclamping sleeve with two key surfaces for increasing clamping force twofold by chuck key.Shank DIN 2080<strong>Clamping</strong> range C mm 1-13 3-16 3-16Quick-release taper ST 40 40 50Length A mm 88 112 85Ø D mm 50 57 5723050 Ident. No. 741 746 751Unit price E O. R. O. R. O. R.i Tool holding fixtures selection overview page 492. Prod. Gr. 2952011/12493
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