Cost-effective pneumatic workpiece ejector

Clamping specialist Hainbuch is now offering users of its Mini Series, or the earlier Toplus or Spanntop chucks, an innovation that is designed to save time and money.

Vario Part and Vario Quick end-stop systems already in the product portfolio have now been joined by a third variant, the Vario Flex.
The pneumatic workpiece ejector pushes the component from the chuck automatically. Pneumatic workpiece ejector depth can be adjusted by means of a retaining mechanism, and can be positioned in the machine exactly as required for the component.
Hainbuch’s Vario Flex workpiece ejector can also be used as a basic end-stop for coolant wash or air flush. To do this, the pneumatic spring is removed and a feed tube attached. The optional workpiece-specific end stop with holes for the wash and air-flush can then be mounted directly to the interface.
According to Hainbuch, valuable time can be saved using the standardised end stops. Set-up times are reduced and the user always has the right end stop to hand. Whether to use Vario Quick or Vario Part is merely a matter of preference. For precise, rigid clamping, Hainbuch recommends using the Vario Part system, which works on the same principle as a gauge block. System height can be adjusted in 1 mm steps with gauge discs. Featuring axial run-out of less than 0.02 mm at the part of the end stop that touches the workpiece, Vario Part is suitable for machining finished components.
The Vario Quick variant, which is intended for fast, flexible clamping, has a trapezoidal thread screw to allow clamping length to be adjusted quickly. A half-turn is equivalent to an axial adjustment of 1 mm.
For further information www.hainbuch.com

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