Precihole Deep Hole Drilling Solutions for Aerospace Industry
Deep hole drilling is a critical process in aerospace manufacturing. It involves drilling holes with a high depth-to-diameter ratio, typically greater than 10:1. These types of holes are required for various aerospace components, such as turbine blades, engine components, and landing gear.
The aerospace industry demands high precision and accuracy in deep hole drilling, as any imperfection in the hole could compromise the structural integrity of the component. As a result, advanced drilling techniques, tools, and machines are used to achieve the required quality.
One of the most common methods for deep hole drilling in aerospace is gun drilling. It uses a long, thin drill bit with a coolant flowing through it to remove chips and cool the cutting edge. Gun drilling is suitable for drilling holes up to 50 times the diameter of the gun drill.
Another method is BTA drilling (Boring and Trepanning Association), which uses a tool with a single insert that removes the core of the hole while the coolant flows through the tool. BTA drilling is used for drilling holes larger than 19 mm (3/4th inch) in diameter.
Deep hole drilling has several applications in the aerospace industry, including:
1. Engine components: Deep hole drilling is used to create cooling holes in the engine components, such as turbine blades and vanes. These cooling holes help to regulate the temperature of the engine and prevent it from overheating.
2. Landing gear: Deep hole drilling is used to create holes in the landing gear components to attach bolts and fasteners securely.
3. Fuel systems: Deep hole drilling is used to create holes in fuel nozzles and other fuel system components. These holes must be precise and accurate to ensure efficient fuel flow and combustion.
4. Hydraulic systems: Deep hole drilling is used to create precise holes in hydraulic system components, such as valve bodies and manifolds.
5. Instrumentation: Deep hole drilling is used to create holes for sensors and other instrumentation in the aircraft structure. These holes must be accurately placed and sized to ensure proper functioning of the instrumentation.
6. Aerospace structures: Deep hole drilling is used to create holes for structural components such as wing spars, ribs, and stringers. These holes must be accurately placed and sized to ensure the strength and stability of the structure.
In summary, deep hole drilling is a critical process in the aerospace industry, used for various applications that require precise and accurate holes in complex components. The high-quality standards and demanding applications of aerospace manufacturing require advanced techniques, tools, and machines to ensure the quality and reliability of the components.
Precihole has over 30 years of experience providing solutions for aerospace industry. All Precihole solutions are industry proven and guaranteed for performance, reliability, and accuracy.