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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 | 1800W | ||
| Rated Voltage（V) | 220 | 380 | |
| Motor Pole Pairs | 5 | ||
| Rated Power(W) | 1800 | ||
| Rated Torque(NM) | 6.88 | ||
| Rated Speed(RPM) | 2500 | ||
| Rated Current(A) | 7.5 | 4.5 | |
| Maximum Torque(NM) | 20.63 | ||
| Maximum Current(A) | 0.85 | 48.97 | |
| Maximum Speed(RPM) | 3000 | ||
| Wire Resistance(Ω) | 0.85 | 48.97 | |
| Wire Inductance(mH) | 10.3 | 125.2 | |
| Counter-EMF(V/Krpm) | 57.11 | 114 | |
| Moment of Inertia (Kg.cm2) | No brakes | 5.458 | |
| Has brakes | 5.977 | ||
| 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 | 6.3 | |
| Has brakes | 7.2 | ||
| 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 
