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Sine Drive Angular Stage

Sin216R Series
0.000069 Degree Accuracy
Precision High-Performance

The Sin216R series are ultra-precision computer controlled angular stages developed for accurate positioning applications. Sine-bar mechanism is employed in this device for higher resolution angular positioning. A precision linear translation stage with a high resolution optical encoder is used in the mechanism for achieving angular tilt of the sine bar. The absolute encoder allows instant initialization at the time of power up and eliminates the need for a home cycle. The stepper motor turns the drive lead screw which moves the drive block which in turn pushes the sine bar to rotate the platform, providing stable and excellent performances in angular positioning.

The principle of sine drive mechanism is shown schematically in Fig. When a lever of length L is rotated through an angle θ about one end, the other end moves through a distance X = L Sin θ perpendicular to the initial position of the lever. Standard metric M4 mounting holes patterns are provided on the top plate of these stages. Top plate can be used to position manually large optical and other components through with accuracy of 1°. Custom mounting patterns can be provided for easy integration with other systems / components.

The Sin216R series stages are perfect for rotary positioner testing, laser pointing, optical calibration systems and metrology systems. Other specific applications include optical encoder accuracy testing, missile seeker testing, photonic component alignment and precision wafer inspection.


# controller sold separately    [ read more + ]


    Angle Calibration

    Laser Nano Scanning

    X-Ray Mirror Deflection

    Nano Probe Positioning

Talk to our engineers, we will help you to select appropriate device for your application in precision rotary motion, from the drive and bearing system to the encoder and motion controller.

# Sine drive rotation stages are also offered in high vacuum and ultra high vacuum configurations. Please contact us for details.

Model No: HO-Sin216R HO-Sin216R8 HO-Sin216R4
Angular Measurement System Sin bar Sin bar Sin bar
Travel Range 16° ( ± 8° ) 8° ( ± 4° ) 4° ( ± 2° )
Platform Size 150 mm Dia 150 mm Dia 150 mm Dia
Rotation Axis Height 80 mm 80 mm 80 mm
Speed max. (Degree / sec.) 2 2 2
Stepper Resolution 0.125 Arc Sec (0.00003477 Degree) 0.0625 Arc Sec (0.0000174 Degree) 0.0625 Arc Sec (0.0000087 Degree)
Accuracy Arc Sec (0.0002778 Degree) 0.5 Arc Sec (0.000138 Degree) 0.25 Arc Sec (0.000069 Degree)
Repeatability 1 Arc Sec (0.0002778 Degree) 0.5 Arc Sec (0.000138 Degree) 0.25 Arc Sec (0.000069 Degree)
Tapped Holes on Carriage M6 M4 M4 M4
Interface USB 2.0 & RS 232 USB 2.0 & RS 232 USB 2.0 & RS 232
Size (L x W x H) 310 x 250 x 80 mm 520 x 250 x 85 mm 750 x 250 x 90 mm

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