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7/6/2017 | 1 MINUTE READ

Heule Tool’s Deburring Tool for Elliptical or Contoured Surfaces

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Replaceable solid carbide-coated blades for holes from 6 - 26 mm are available from stock, with various coatings providing long tool life, the company says.

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Heule Tool Corp.’s COFA-C Series tooling is for deburring elliptical or contoured surfaces in larger diameters. Replaceable solid carbide-coated blades for holes from 6 - 26 mm are available from stock, with various coatings providing long tool life, the company says. This technology provides different blade and spring options to create an effective deburring tool for any application depending on hole geometry and material being machined. The series is designed for ID and OD elliptical deburring on even and uneven bore edges in a single operation. They are especially useful for automotive and aerospace applications.  

The large C-series tooling consists of an independent blade that is fit into a more guided blade holder. This is said to increase the tool life and process capability. The blade itself requires less material and can be changed quickly. Different blade sizes are available for the same tool body, allowing different cutting diameters based on a specific application.

Controlled by a simple spring, the carbide cutting blade follows the contour of the holes' surface, removing all burrs while creating an even tapered corner break. The blade does not cut as it passes through the bore and will not damage the hole's surface. The edge break begins only at the point where the blade contacts the material and then tapers the hole's edge. This allows for faster feed rates since the tool slows itself down as it enters the through hole.  

This simple concept has no adjusting screws or presetting requirements. The choice of spring is typically determined by the material being machined. Blades are available for cutting front and back or back cutting only.

 

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