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Hollow Core Motorized Rotary Stage

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Hollow Core Motorized Rotation Stage, Stage Diameter: 15.748 in (400 mm)

The low profile 400 mm AY110-400-01 (step motor driven) and AY110-400-02 (servo motor driven) Rotary Stages feature a 180 mm (7.087 in) open aperture.  The height of the stage is just 71 mm  (2.795 in.).  A precise pattern of 16 threaded holes in two bolt circles allows for easy mounting of custom tooling and fixtures, and easily accessible mounting holes in the base are for easy integration into new and existing applications.   

The diameter of the rotary table is 400 mm (15.748 in.) and the range of travel is a full 360o of continuous rotation.  The table is driven by a smooth 360:1 worm gear and has a resolution of 0.0005o (18 arcsec) with a 10 micro-steps per step stepper motor driver and repeatability is +/- 0.02o (72 arcsec).  The AY110-400 Rotary Stages also features positional accuracy of +/- 0.05o, surface roundness of 20 microns and parallelism of 120 microns.

The AY110-400-01 rotary stage is equipped with stepper motor and a knob for manual adjustment which can be replaced with an optical encoder for precision position verification. The AY110-400-02 rotary stage is fitted with a DC servo motor and quadrature incremental encoder for closed loop operation.  These black anodized stages have a load capacity of 75Kg (165.3 lbs). 

This stage is compatible with OES' line of Motion Controllers..




Structure Description

Range of Travel

360 degrees

Stage Diameter 400 mm
Aperture Diameter 180 mm (7.087 in)
Gear Ratio 1 degrees  (stage) : 360 degrees  (motor)
Drive Mechanism

Worm Gear

Travel Guide Bearing
Stepper Motor

2 Phase Stepper Motor
Typical Phase Resistance 2.5 Ohms
Typical Phase Current 3.0 Amps
DB-9 Male Connector
Pin Assignment and Description


+5 VDC for HOME Switch


Not Connected


Not Connected




HOME Switch, Open Collector, Normally Open, Needs 1K Pull up Resistor

6 Stepper Motor Phase A+
7 Stepper Motor Phase A-
8 Stepper Motor Phase B+
9 Stepper Motor Phase B-
Base Material Aluminum Alloy
Surface Treatment Black Anodized
Load Capacity 75 kg
Weight 29.6 kg (65 lbs)

Typical Accuracy

Resolution 0.005 degrees = 18 arcsec (Full Step)
0.0005 degrees =1.8
arcsec (10 Micro-steps per Step Motor Driver in use)
Repeatability +/-0.02 degrees =72 arc-sec
Positional Accuracy 0.05 degrees

Mechanical Drawing

Mechanical Drawing of Hollow Core Motorized Rotation Stage, Stage Diameter: 15.748 in (400 mm)

Click to Get the STEP file

 Ordering Information

Part No. Description Amount
AY110-400-01 Stepper Motor Driven Rotary Stage, Stage Diameter: 400 mm, Load Capacity: 75 kg Click to Get a Quote
AY110-400-03 DC Servo Motor with Quadrature Incremental Optical Encoder Driven Motorized Rotary Stage, Stage Diameter: 400 mm, Load Capacity: 75 kg Click to Get a Quote

Related Products
OES Line of Motion Controllers Motion Controllers
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