The high-precision turntable, as an important test equipment in aerospace and aviation projects, is mainly used for camera parameter calibration. The high-precision one-dimensional turntable developed has a maximum load capacity of 150 kg, an angular measurement accuracy better than ±0.3", and features high repetitive positioning precision and precision maintenance capabilities, ensuring continuous operation of the rotary stage and meeting the calibration needs of high-resolution, large-aperture, and long-focal length cameras.

Indicator Item Indicator requirement
Load parameters Maximum load capacity 150kg
Rotary Stage mechanical parameters Load mounting table size Φ 1500 mm
External dimension ≤ Φ 1500 mm × 850 mm
Weight ≤5000 kg
Structure style Air-floating shaft system
Position parameters Angular range of motion ±150°
Angular position resolution Direct driven by motor: 0.4" Driven by micro drive mechanism: 0.05"
Resolution and accuracy Indicators of grating angle measurement system Absolute measurement accuracy (±30。measurement range): ±0.3" Resolution: 0.0003" Repetitive measurement accuracy: ±0.2"
Angular velocity and acceleration prameters Angular velocity range ±(0-20)°/s, adjustable

This equipment is an intelligent and efficient robot CNC polishing system combined with the characteristics of modern new industrial robots, such as low cost, small size, high precision, intelligent control, and strong focus on optical reflection mirror shape polishing. The surface shape accuracy can quickly reach 1/100 λ RMS (λ=632.8nm). It can be polished for a variety of materials, coaxial or off-axis special-shaped mirrors.

Component Function
Mass 665kg
Arm span 2,033 mm
Maximum Load 400 N
Maximum rotate speed 1000 Rpm
Maximum machined aperture φ1000 mm
Repeated positioning accuracy ±0.06 mm
Maximum word period 40hour
0perating ambient temperature 20-22℃
0perating ambient humidtiy 30-40%
Error convergence accuracy 0.01λ RMS