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New ‘Minis’ now compatible with the Hainbuch modular system
Sometimes small things turn out to be a big success. And that’s true for the mini chucks. But one thing they haven’t had until now was compatibility with the Hainbuch modular system. That’s no longer the case, and of course this includes both series of chucks: the round Spanntop and the hexagonal profile Toplus. Because of its reduced interference contour, to be able to use the modular system the Spanntop mini chuck comes with an adapter ring. The existing Mando Adapt mandrel and jaw module work perfectly with the new Spanntop mini. The Toplus version does not use an adapter ring, instead it has ring of attachment holes for fixing the jaw module, and next year it will get its own Mando Adapt series of adapters. And finally, as another piece of good news, Spanntop and Toplus minis both have full through-bore and are available in three standard lengths to suit all machines and drawtubes.
Reduced clamping device interference contour and less mass
These two factors play an ever more important role in any machining process. Tool accessibility and low energy consumption are key criteria for modern workholding making them ready for the challenges of the future. Increasingly parts have smaller dimensions and higher tolerances than in the past, So the emphasis is no longer on the chuck size but rather on the complete process. Thanks to greater tool accessibility, the mini chucks can use shorter and therefore more stable tools on the main and counter spindles. This again has a direct influence on the surface finish.
Not only is the mass reduced by over 38%, the chuck diameter and the total lengths have also been considerably reduced [by a third or a quarter]. So the “little” chucks make a “big” difference. The reduced interference contour makes it easier to choose the right tool and this helps with the issue of reduced space especially in counter spindle machines. The reduced mass is also results in lower energy consumption especially in mass production. Because spindle acceleration and deceleration are more dynamic this shortens the cycle times, and all this contributes to lowering the cost per workpiece.