CNC Machining in Aerospace
CNC machining, or computer numerical control machining, uses advanced computer software to control fabrication tools such as mills, grinders, lathes, routers, and more. Although CNC technology is used throughout many industries, it is especially useful for the fabrication of parts for aerospace. As aerospace parts must function reliably for long periods of time in harsh conditions, they need to be produced with extreme precision. Even the smallest errors can lead to system failures during critical applications. By automating the production process, CNC machining reduces the potential for human error. Furthermore, it allows aerospace machine shops to produce parts more quickly, accurately, and repeatedly than traditional machining processes.
Additionally, CNC machining can be used to shape strong, lightweight specialty metals for aerospace components in tight tolerances. As aerospace components must be robust and temperature resistant, aerospace precision machining must utilize advanced software to ensure the physical integrity of the material. Precision machining is needed from commercial aircraft to interstellar spacecraft. Let’s take a look at the main areas where CNC machining is used in aerospace.
Spacecraft Parts
Robotic arms, electrochemical systems, tubing, encasements, and other high performance spacecraft components are all manufactured using precision CNC machining. Each part on a spacecraft must be lightweight, durable, and resistant to temperature and radiation.
Body Designs & Engine Parts
Aircraft body designs are critical to motion, speed, and efficiency. CNC machining helps ensure a seamless fit between exterior panels and surfaces for optimal aerodynamics. Aircraft engines are under extreme pressure, and therefore must also be able to withstand extreme temperatures. Accurate machining ensures the reliability of these parts over a wide range of conditions.
Communication and Computer System Parts
Aerospace equipment relies on computers and communication equipment for life support, ventilation, navigation, engine control, motion control, actuators, and other critical applications. CNC machined products are used to ensure these systems operate properly.
Exterior Components
Aerospace equipment features a variety of exterior components, such as wing flaps, lights, sensors, and exterior panels machined from high strength materials using CNC manufacturing processes.
Landing Gear
Landing gear is critical in ensuring safe takeoffs and landings. Aerospace CNC machining offers highly accurate landing gear components for safe and consistent landing operations.
Runners
Aircraft engines commonly consist of reciprocating engine induction systems that use runners and piping to direct air into the engine block. To precisely design these runners for use in systems with extremely tight tolerances, aerospace machining companies employ CNC machine tools.
Housings
Housings are used to encase electronics and other sensitive instruments to protect them from radiation, changing temperatures, and magnetic modulation. CNC machining helps manufacturers produce housings designed to protect sensitive components from dangerous interference.
Braking System and Parts
Braking systems rely on CNC machined parts to help control the speed and velocity of aircraft while on the ground. This includes brake pedals, cylinders, calipers, pistons, brake shoes, lines, and hoses.
Gearbox Components
Gearbox components including gears, rods, shafts, and housings all benefit from the accuracy of CNC machining. Precise manufacturing ensures smooth and efficient operation of transmission, steering, and other critical aerospace systems.
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