Motorized Precision Goniometer

Transcription

1 Motorized Precision Goniometer Compact, Clear Aperture WT-85 Rotation range 10 Repeatability to 8.7 µrad Load capacity to 2 kg Option: Direct position measurement with angle Combination with WT-100 with common pivot point Precision-class goniometer stage Drive with high gear ratio for precision positioning. Two limit switches. Large clear aperture with 30 mm diameter. Can be combined with WT-100 for 2-axis motion with common pivot point. Versions DC servo motor with rotary encoder on the motor shaft Stepper motor Option: High-resolution optical angle for direct position measurement Vacuum versions available on request Application fields Precision microassembly, Metrology, Photonics, Optical alignment

2 Specifications Unit DC motor with rotary encoder DC motor with angle and rotary encoder Stepper motor Stepper motor and angle measuring system Toleranc e Active axes θ X θ X θ X θ X Motion and positioning Rotation range Integrated sensor Sensor signal rotary encoder Sensor signal angle measuring system Sensor signal periods angle Sensor resolution rotary encoder Rotary encoder AB quadrature, RS- 422 Incremental angle Rotary encoder AB quadrature, RS- 422 Sin/cos, 1 V peakpeak Incremental angle Sin/cos, 1 V peakpeak µrad Design resolution (full step) 2.11 µrad Counts/r ev. Minimum incremental motion µrad typ. Unidirectional repeatability µrad typ. Bidirectional repeatability ±69.8 ±8.7 ±69.8 ±8.7 µrad typ. Wobble ±125 ±125 ±125 ±125 µrad typ. Angular velocity /s max. Limit switches 2 mechanical 2 mechanical 2 mechanical 2 mechanical Mechanical properties Drive screw type Ball screw Ball screw Ball screw Ball screw Drive screw pitch mm Guide type Ball bearings Ball bearings Ball bearings Ball bearings Gear ratio 675:1 675:1 675:1 675:1 Load capacity N max. Torque M x, power on N m max. Permissible lateral force N max. Permissible torque in θ y, θ z N m max. Drive properties Motor Type DC motor DC motor 2-phase stepper motor 2-phase stepper motor Operating voltage, nominal V nom. Operating voltage, max V max. Step resolution Miscellaneous Operating temperature range 5 to 40 5 to 40 5 to 40 5 to 40 C Material Full steps/rev. Mass kg ±5%

3 Connection Recommended s/drivers Unit (motor/sensor) C-863 (single C-884 (up to 6 axes) C885 (to 40 axes) (motor) Sub-D 9 (m) (sensor) C-863 (single C-884 (up to 6 axes) C885 (to 40 axes) C (single SMC Hydra (double C885 (up to 20 axes) (motor) Sub-D 9 (m) (sensor) C (single SMC Hydra (double C885 (up to 20 axes) Toleranc e Connecting cables for motor and sensor are not in the scope of delivery and must be ordered separately. Ask about custom designs!

4 Drawings and Images WT-85 goniometer stage, dimensions in mm

5 WT-85 goniometer stage, DC motor, dimensions in mm WT-85 goniometer stage, stepper motor, dimensions in mm Direction of the axes and torques for goniometer stages

6 Ordering Information WT-85 goniometer stage, 85 mm width, DC motor, ±5 rotation range, clear aperture 30 mm diameter, mechanical limit switches WT-85 goniometer stage, 85 mm width, DC motor, ±5 rotation range, angle with A/B quadrature signal transmission, clear aperture 30 mm diameter, mechanical limit switches WT-85 goniometer stage, 85 mm width, stepper motor, ±5 rotation range, clear aperture 30 mm diameter, mechanical limit switches WT-85 goniometer stage, 85 mm width, stepper motor, ±5 rotation range, angle with sin/cos signal transmission, clear aperture 30 mm diameter, mechanical limit switches For accessories, please specify when ordering Connection cable for stages with stepper motor, 3 m Connection cable for stages with DC motor, 3 m Cable set for stages with, 3 m