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Drilling Unit Designed For Aerospace Applications

The Pneucon Selfeeder family of portable pneumatic drilling units from Sugino is designed specifically for the aerospace industry to streamline drilling applications on large wing and fuselage assemblies. The air-powered units feature a TIR of less than 0.

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The Pneucon Selfeeder family of portable pneumatic drilling units from Sugino is designed specifically for the aerospace industry to streamline drilling applications on large wing and fuselage assemblies. The air-powered units feature a TIR of less than 0.0006" and deliver 0.0008" repeatability on depths.

The prototype units incorporate a design feature from the company’s Double Hydro-Speed Regulator technology, which is said to produce fine holes without burrs. The rapid approach of the drill slows when the primary control feed rate regulator is engaged prior to entering the part. As the drill approaches its preset depth, the secondary control feed-rate regulator further slows the drilling unit to virtually eliminate burrs on breakthrough.

Other features include through-coolant delivery for extended tool life and a precision-machined turbine for smooth operation with limited vibration. The drilling units operate with positive air pressure in both forward and reverse directions. The drilling units’ precision spindles and a built-in guide bar enable tighter tolerances than common pneumatic drills, the company says.

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