Motorized Rotation Stage, 80 mm, High-Speed DC Drive

The RVS80CC High Speed Rotation Stage provides high-precision angular positioning accuracy combined with high load capacity. This 80 mm diameter stage features a high speed DC drive enabling speeds up to 40°/s. All RV stages are constructed of tool steel, with rotation accuracy ensured by ground bearing surfaces. A double row of preloaded bearings allows for high off-center loads in a reduced footprint. The single monolithic design offers improved stiffness without compromising dynamic performance. Precise rotation is ensured by a precision ground and hardened worm gear. A rotary encoder mounted on the worm gear shaft provides 0.00025° position feedback resolution.

Steel Construction

The tool steel construction ensures enhanced rotation accuracy due to the ground bearing surfaces. The single monolithic design offers improved stiffness and thermal stability without compromising dynamic performance.

Highest Load Capacity

The double row of preloaded ball bearings allows for higher off center loads for its small footprint. The largest member of the RV DC motor product family can bear up to 650 kg or rotate up to 80 °/s while maintaining eccentricity of less than 4 µm.

High Speed and High Torque DC Motor Versions

High speed (CC and HAT) and high torque (CCHL, HAHL and HAHLT) versions of the RV DC motor stages are available. The high speed versions enable speeds up to 80°/sec. The high torque versions are equipped with a reduction gear which provides higher torque and payload inertia capacity. A rotary encoder is mounted on the worm gear shaft of the CC and CCHL versions. When superior repeatability, position stability and speed regulation is needed, the high speed HAT and high torque HAHLT versions feature a high-resolution direct reading encoder and tachometer. (RV120HAHL includes direct reading encoder, but no tachometer.)

Metrology Report Included at No Additional Cost

Newport guarantees specification values which are measured and recorded following ASME B5.57 and ISO 230-2 standards. The typical performance values are two times better than the guaranteed specifications.

Specifications

Technical Specs

Angular Range
360°
Maximum Speed
40°/s
Minimum Incremental Motion
1.0 mdeg
Maximum Torque
2 N·m
Centered Load Capacity
900 N
Uni-directional Repeatability, Typical
±0.36 mdeg
Uni-directional Repeatability, Guaranteed
±0.50 mdeg
Bi-directional Repeatability, Typical
±1.2 mdeg
Bi-directional Repeatability, Guaranteed
±1.5 mdeg
Accuracy, Typical
±7.0 mdeg
Accuracy, Guaranteed
±10 mdeg
Wobble, Typical
±8.0 µrad
Wobble, Guaranteed
±20 µrad
Eccentricity, Typical
±0.5 µm

Inertia
0.1 kg.m²
Transversal Compliance
3.5 µrad/N·m
Origin
Optical, centered
Origin Repeatability
±0.25 mdeg
Encoder Resolution
0.25 mdeg
MTBF
20,000 h (25% load, 10% duty cycle)
Cable Length
3 m
Diameter
80 mm
Aperture Diameter
50 mm
Connector Type
DB15 Male
Thread Type
M4
Weight
1.8 kg
Compliance
RoHS 3, CE

Angular Range
360°
Maximum Speed
40°/s
Minimum Incremental Motion
1.0 mdeg
Maximum Torque
2 N·m
Centered Load Capacity
900 N
Uni-directional Repeatability, Typical
±0.36 mdeg
Uni-directional Repeatability, Guaranteed
±0.50 mdeg
Bi-directional Repeatability, Typical
±1.2 mdeg
Bi-directional Repeatability, Guaranteed
±1.5 mdeg
Accuracy, Typical
±7.0 mdeg
Accuracy, Guaranteed
±10 mdeg
Wobble, Typical
±8.0 µrad
Wobble, Guaranteed
±20 µrad
Eccentricity, Typical
±0.5 µm

Inertia
0.1 kg.m²
Transversal Compliance
3.5 µrad/N·m
Origin
Optical, centered
Origin Repeatability
±0.25 mdeg
Encoder Resolution
0.25 mdeg
MTBF
20,000 h (25% load, 10% duty cycle)
Cable Length
3 m
Diameter
80 mm
Aperture Diameter
50 mm
Connector Type
DB15 Male
Thread Type
M4
Weight
1.8 kg
Compliance
RoHS 3, CE

Resources & Downloads

3D Product Models

2D Product Drawings

RVS80CC(466.3 kB, PDF)
RV Data Sheet.pdf(3.2 MB, PDF)
RVS80 - User's Manual.pdf(1.5 MB, PDF)

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