1.1 Technical parameters
1.1.1 3D scanning system
Integrated cast aluminum frame and stainless steel guide screw, with an error of<0.1mm for each axis
The frame and water tank are independent of each other, with 3 independent horizontal adjustment buttons for necessary precise horizontal adjustment
Special calibration line for the outer wall of the water tank
Driving mechanism: stainless steel worm drive screw/stepper motor
Number of motors: 3 independent drive shaft motors
Repetitive positioning accuracy: £ 0.1mm
Scanning range ≥ 480mm × 480mm × 410mm
External dimensions: 683 mm x 692 mm x 542 mm
Maximum water storage volume: 227L
Main water tank weight: 50kg
Wall thickness: 19cm, made of PMMA organic glass
Feedback system: Three high linearity precision potentiometers - achieving position signal measurement
Scanning speed: ≥ 50 mm/sec
Positioning accuracy: ≤ 0.1mm
Positioning repeatability: ≤ 0.1 mm
Minimum step size: ≤ 0.01mm
Supports FFF mode
Support for half field scanning image expansion mode
1.1.2 Main control system and dual channel dosimeter
Dual channel dosimeter, used for measuring reference signal and beam signal respectively. Dosimeter range: 2pC-999.999nC, resolution ≤ 10Fa
Dynamic range: 0-350uA
Leakage current: ≤ 1 × 10-15A
Measurement circuit time constant: ≤ 20ms
