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November 2017

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Automated Deburring of Cross Bores

Heule Tool Corporation has introduced new X-Bore series tooling for the automated precision deburring of cross bores. Four chip making tool versions are available to address four different challenge areas associated with deburring.

The first solution is COFA. COFA allows for easy deburring of cross bores by removing burrs on the front and back of a drilled through-hole on even and uneven surfaces in a single cycle. It radially removes the burrs without requiring the workpiece to be turned or the spindle to be stopped. COFA is the standard solution for round tubes, yokes and other uneven, angled surfaces. All COFA tooling is available from stock and shipped from Heule's Cincinnati-area warehouse location.

For more complex situations, Heule offers three specialized tool solutions for cross hole deburring. The first is the COFA-X system, which is designed to handle three types of bores: those with an identical or nearly identical diameter crossing each other; bores which merge into one another; and crossing bores with offset centers. Machining these types of contours was impossible with carbide tools before the creation of the COFA-X system. This system is effective on fittings, hydraulic manifolds and other components with 1:1 ratio of holes.

Also available for specialized applications is the main bore tool, which deburrs cross bores that leave sharp edges-ideal for a central bore where several cross bores of various diameters lead in from different angles. This tool allows several cross bores to be machined right at the burr base and is effective on shafts and drive train components with intersecting cross holes.

The most specialized solution in Heule's X-Bore series tooling is the cross bore deburring tool (CBD). CBD was developed to deburr oil bores by penetrating the cross bore and deburring the bore intersection in a process-safe manner. In addition to the classic crankshaft oil bore, CBD tooling is suitable for complex intersecting bores and through holes with interrupted surfaces.

For more information contact:

Gary Brown, President

Heule Tool Corporation

131 Commerce Dr.

Loveland, OH 45140

800-213-4341 / 513-860-9900

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