SPANNTOP

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MANDO Adapt. Mandrel-in-SPANNTOP-chuck set-up without alignment draw bolt Mandrel size Chuck size Clamping range of the mandrel [mm] Span [mm] This mandrel-in-chuck offers convincing performance, long-lasting power, and unusual speed. It is unsurpassed by any jaw chuck. In terms of the time savings offered by the MANDO Adapt, they do not even come close. A top-class internal clamping fixture. The advantages ■ change from O.D. clamping to I.D. clamping in less than 2 minutes – without taking the chuck off the machine ■ high attainable concentricity without alignment [< 0.005 mm] ■ five different mandrel sizes – each available for chuck sizes 42 – 100 0 1 2 3 4 42 52 65 80 100 42 52 65 80 100 42 52 65 80 100 65 80 100 65 80 100 ø 20 - 28 ø 20 - 28 ø 20 - 28 ø 20 - 28 ø 20 - 28 ø 26 - 38 ø 26 - 38 ø 26 - 38 ø 26 - 38 ø 26 - 38 ø 36 - 54 ø 36 - 54 ø 36 - 54 ø 36 - 54 ø 36 - 54 ø 50 - 80 ø 50 - 80 ø 50 - 80 ø 70 - 100 ø 70 - 100 ø 70 - 100 ± 0.25 ± 0.25 ± 0.25 ± 0.25 ± 0.25 ± 0.25 ± 0.25 ± 0.25 ± 0.25 ± 0.25 ± 0.25 ± 0.25 ± 0.25 ± 0.25 ± 0.25 ± 0.35 ± 0.35 ± 0.35 ± 0.40 ± 0.40 ± 0.40 Fast and easy change-over Remove clamping head Install MANDO Adapt Mount segment bushing Screw in draw-bolt Mount the end-stop blank Mount MANDO Adapt on the front side of the SPANNTOP chuck and you are ready to go. The mandrel is then adapted with < 0.005 mm runout. When the draw bolt that is needed for the actuation of the segmented bushing is screwed on, a slick mechanism will spread and adapt to the coupling that normally grabs the clamping head. 14 MANDO Adapt . Mandrel-in-SPANNTOP-chuck
Jaw adapter. Jaw-clamping-in-SPANNTOP-chuck block jaws for machining hexagon socket wrench base end-stop Chuck size 65 80 Now you can also clamp in front of the chuck with the SPANNTOP combi pull-back with axial bolted base end-stop and the jaw adapter. A combination that opens completely new possibilities that previously needed another jaw chuck. The advantages ■ clamp in front of the chuck – without a second clamping setup ■ significantly larger clamping diameters can be realized ■ drilling or milling in-between the jaws ■ chuck jaw with serration, clamping diameter adjustable by 6 mm Attainable concentric precision at 35 kN measured 50 mm from the front edge of the jaw [in addition to the concentricity of the main clamping unit] Max. permissible jaw machining depth on the jaws Max. permissible jaw machining diameter on the jaws Swing dia. over bed [mm] Jaw height [mm] 0.03 mm 0.03 mm 20 mm 20 mm 120 mm 133 mm 146 mm 146 mm 39.5 mm 39.5 mm Fast and easy change-over Remove clamping head Install base end-stop Insert jaw adapter Fixed in place via the central bolt Jaw ready for machining A changing fixture is not required when using the jaw adapter. A central mounting screw pulls the support taper onto the base end-stop, and in the process spreads the segments in the chuck coupling. The support taper prevents the jaw adapter from tipping and thus ensures that it retains its strong clamping force. Jaw adapter . Jaw-clamping-in-SPANNTOP-chuck 15
Page 1 and 2: SPANNTOP SPANNTOP ® : Systematic c
Page 3 and 4: SPANNTOP. The original Drawtube ada
Page 5 and 6: Circumferential clamping Axial forc
Page 7 and 8: effective clamping forces Material:
Page 9 and 10: The example shows a situation where
Page 11 and 12: SPANNTOP. Numbers and facts Chuck S
Page 13: Clamping head change-over Set-up fo

SPANNTOP

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