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New high performance solid carbide drills from Dormer

The latest exciting innovation from Dormer is a range of high performance solid carbide drills specifically for machining composite materials.

Used increasingly in the aerospace industry, the aerodynamic qualities and excellent strength-to-weight ratio of composite materials will help manufacturers to meet targets for weight and fuel efficiency. As such, composites look set to become the predominant material used in aircraft manufacture over the next 3-5 years. They are, however, more brittle than metals, and their machining has brought new challenges.

David Goulbourne, development manager for drills at Dormer, explains: "Machining of composite materials can cause problems such as delamination between layers at a hole entry or exit, fraying, hole erosion and splintering. The new drill – developed in cooperation with the University of Sheffield Advanced Manufacturing Research Centre with Boeing in the UK - addresses these issues, providing the perfect solution for the market."

Designed for use in Polymer Matrix Composites (PMCs), also known as Fibre Reinforced Polymers (FRPs), the drills work equally as well in Carbon Fibre Reinforced Polymers (CFRPs) and Glass Fibre Reinforced Polymers (GFRPs).

The range features a unique, patented point design which reduces thrust and torque requirements. This improves cutting efficiency and significantly reduces splintering and delamination at exit.

There is an internal coolant option for wet machining and a diamond coated option to further enhance tool life. The range is available from 2.38mm to 20mm diameter and with overall lengths up to 310mm as a 'special order', allowing the end user to specify their own requirements, including sizes, applications and cutting conditions.

Press release issued by Dormer Pramet on May 15, 2009

 

 Contact details from our directory:
Dormer Pramet Drill Bits, Cutting Equipment, Metal Removal Tools, Hand Tools, Machine Tools, Countersinks, Dies, Metal Working Tools, Milling, Reamers, Tooling, Cutting Tools, Tapping, Riveting Tools

 

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Machining

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