Ball Bearing Rail Systems in 7-Axis Aerospace Machining: Dynamic Stiffness, Thermal Stability, and Micron-Level Accuracy
Modern aerospace manufacturers no longer debate axis count; they measure success in nanometres. In a 7-axis cell that rough-machines a 4-metre titanium bulkhead and finishes cooling grooves in a single clamp, the critical enabler is the ball bearing rail system that converts 150 kW of servo torque into motion repeatable within ±3 µm. Designing such rails is a multi-physics exercise...
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