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Dual-axis Pitch and Roll Stage

Home > Motorized Yaw, Pitch and Roll Stages  

 


The precise measurements of angles and the curvature of objects are easily determined using two new Pitch and Roll stages just introduced by OES.

The PR45-60-01 (pictured) is driven by stepper motors and the PR45-60-02 is driven by brushless servo motors with quadrature incremental optical encoders.

The Pitch axis (lower stage) is a high precision goniometer stage which features preloaded cross roller guides and a high ratio worm drive for smooth motion over a range of travel of +/- 45 degrees. It has a typical accuracy of 0.05 degrees and repeatability of +/- 0.01 degrees. Additionally, this axis has end-of-travel limit switches.   

The 60 mm diameter Roll axis (upper stage) has a 180:1 gear ratio for smooth motion and has a precise pattern of threaded holes for fixtures or tooling.  This axis has an accuracy of 0.05 degrees and repeatability of +/- 0.01 degrees. The Roll axis has a Home signal for initialization.

Each axis features a calibrated scale to visually display the angle. The maximum speed with stepper motors is 14 degrees/second and 45 degrees/second with servo motors. 
The knobs of the stepper motors can be replaced with optional optical encoders for position verification.

The resolution of the PR45-60-01 stepper motor driven duel-axis stage depends on the resolution of the step motor driver resolution or the optical encoder if a servo motor is used. A resolution of 0.001 degrees equivalent to 3.6 arc-sec can be achieved using a10 micro-steps per step stepper motor driver or an encoder with a resolution of 500 cycles per revolution.

The PR45-60-02 that features servo motors and optical quadrature encoders are used for very precise closed loop operation and greater speeds.
 
The Dual-axis Pitch and Roll Stages require a
Motion Controller that can be ordered as a complete plug-and-play system with joystick, trackball, and keypad.

Specifications

 

PR45-60

Total Weight

3.0 kg (6.6 lb)

Load Capacity

4.0 kg (8.8 lb)

Base Material

Aluminum Alloy

Surface Treatment

Black Anodized

 

 

   
DB-9 Male Connector
Stepper Motor
Pin Assignment and Description

1

+5 VDC

2

CCW Limit Switch, Open Collector, Normally Open, Needs Pull up Resistor (Pitch Axis)

3

CW Limit Switch, Open Collector, Normally Open, Needs Pull up Resistor

4

Common (Pitch Axis)

5

HOME Switch, Open Collector, Normally Open, Needs 1K Pull up Resistor (Roll Axis)

6 Stepper Motor Phase A+
7 Stepper Motor Phase A-
8 Stepper Motor Phase B+
9 Stepper Motor Phase B-
 
 

Roll (Rotary) Axis

Structure Description

Gear Ratio 1 degrees (stage) : 90 degrees (motor)
Drive Mechanism

Worm Gear

Travel Guide Bearing
Stage Diameter 60 mm

Typical Accuracy

Resolution 0.001 degrees = 3.6 arcsec (10 Micro-steps per Step Motor Driver in use)
Repeatability +/-0.01 degrees
Positional Accuracy 0.05 degrees
Maximum Speed with Stepper Motor 30 degrees per second
Maximum Speed with Servo Motor 45 degrees per second 
Typical Stepper Motor Phase Current 1.0 Amp
 

Pitch (Goniometer) Axis

Structure Description Range of Travel

+/-45 degrees

Gear Ratio 1 degrees (stage) : 296 degrees (motor)
Height of Rotation Stage

50 mm+/-0.2 mm

Drive Mechanism Worm Gear
Travel Guide Crossed-roller Guide
Rotation Center Deflection Accuracy 0.03 mm

Typical Accuracy

Resolution 0.001 degrees = 3.6 arcsec (10 Micro-steps per Step Motor Driver in use)
Repeatability +/-0.01 degrees
Positional Accuracy 0.05 degrees
Maximum Speed with Stepper Motor 14 degrees per second
Maximum Speed with Servo Motor 45 degrees per second 
Typical Stepper Motor Phase Current 1.0 Amp

Stepper Motor Driven Mechanical Drawing (Roll Table)


Ordering Information

Part No. Description Amount
PR45-60-01 Dual-axis Stepper Motor Driven Yaw and Pitch Stage, Table Diameter: 60 mm Click to Get a Quote
PR45-60-02 Dual-axis Three Phase Brushless Servo Motor with Quadrature Incremental Optical Encoder Driven Yaw and Pitch Stage, Table Diameter: 60 mm Click to Get a Quote
PR45-60-03 Dual-axis DC Brush Servo Motor with Quadrature Incremental Optical Encoder Driven Yaw and Pitch Stage, Table Diameter: 60 mm Click to Get a Quote
PR45-60-04 Dual-axis Stepper Motor Driven Yaw and Pitch Stage with 500 Cycle per Revolution Quadrature Optical Encoder, Table Diameter: 60 mm Click to Get a Quote

 

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