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Wheatstone
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Product Description
The WHEATSTONE Vacuum Rated Servo Motors is designed to deliver precise motion control and long-term reliability in high-vacuum (HV) and ultra-high-vacuum (UHV) environments. Standard motors are unsuitable for vacuum due to outgassing, lubrication issues, and thermal stress. By incorporating low-outgassing materials, vacuum-rated insulation, and specialized cooling solutions, this motor achieves stable operation in the most demanding scientific, aerospace, and industrial applications.
Vacuum Compatibility – Manufactured from low-outgassing metals, ceramics, and polymers to minimize contamination in vacuum chambers.
High Precision – Closed-loop servo design ensures accurate positioning and smooth motion control.
Thermal Management – Optimized for heat dissipation in vacuum, with options for conduction or radiation cooling.
Lubrication System – Utilizes solid lubricants or vacuum-compatible coatings to ensure durability without outgassing.
Customization Options – Available with custom windings, feedback devices, and housing designs for specialized integration.
Long Service Life – Designed to withstand continuous operation in UHV and cryogenic conditions.
Motor Type: Vacuum-Compatible Servo Motor
Frame Sizes: Available from 40 mm to 180 mm series
Control: Closed-loop with encoder feedback
Insulation: Vacuum-rated, low-outgassing insulation system
Torque Output: High torque-to-size ratio, customizable
Operating Pressure: 10-7 pa (application dependent)
Temperature Range: -196°C to +200°C (custom versions available)
Cooling Methods: Conduction or radiation cooling; optional liquid cooling jackets
Applications: Space technology, satellite systems, semiconductor equipment, vacuum robotics, particle accelerators, and research laboratories
Motor Dimensions
Electrical Parameters
| Servo Motor Series | 5500W | |
| Rated Voltage（V) | 220 | |
| Motor Pole Pairs | 5 | |
| Rated Power(W) | 5500 | |
| Rated Torque(NM) | 26.26 | |
| Rated Speed(RPM) | 2000 | |
| Rated Current(A) | 23 | |
| Maximum Torque(NM) | 78.78 | |
| Maximum Current(A) | 69 | |
| Maximum Speed(RPM) | 3000 | |
| Wire Resistance(Ω) | 0.097 | |
| Wire Inductance(mH) | 1.84 | |
| Counter-EMF(V/Krpm) | 78 | |
| Moment of Inertia (Kg.cm2) | No brakes | 73 |
| Has brakes | 75.5 | |
| Motor Feedback Methods | Optional: Resolver feedback, Hall effect, incremental, and multiturn absolute encoders | |
| Motor Insulation Class | F | |
| Motor Protection Rating | IP54（Excludes shaft ends） | |
| Weight(Kg) | No brakes | 22 |
| Has brakes | 24 | |
| Vacuum Environment | Resolver feedback: 1×10⁻⁷ Pa; other encoders: maximum 1×10⁻⁴ Pa | |
| Work Environment | Resolver feedback: -196°C to +200°C; other encoders: -40°C to +105°C | |
Application Industry
1.Semiconductor and Electronics Manufacturing
In core processes such as wafer handling, lithography, and coating, we provide oil-free, particle-free precision motion control to ensure high yield and reliability in chip manufacturing.
2.Scientific Research and State-of-the-Art Instruments
In equipment such as electron microscopes, surface analyzers, and particle accelerators, these systems meet the demanding requirements for ultra-high vacuum and nanometer-level positioning accuracy.
3.Automation in Extreme Environments
Suitable for industrial applications involving high temperatures (up to 300°C), cryogenic temperatures (as low as -196°C), or intense radiation, such as nuclear industry equipment, wind tunnel testing, and vacuum welding.
86-0519-86163211，86-0519-86163212 
