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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 | 2600W |
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| Rated Voltage（V) |
220 | 380 | |
| Motor Pole Pairs |
5 |
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| Rated Power(W) |
2600 | ||
| Rated Torque(NM) |
9.93 | ||
| Rated Speed(RPM) |
2500 | ||
| Rated Current(A) |
10 | 5.8 | |
| Maximum Torque(NM) |
29.8 | ||
| Maximum Current(A) |
30 | 17.4 | |
| Maximum Speed(RPM) |
3000 | ||
| Wire Resistance(Ω) |
0.434 | 1.45 | |
| Wire Inductance(mH) |
2.83 | 7.83 | |
| Counter-EMF(V/Krpm) |
67.67 |
115.26 | |
| Moment of Inertia (Kg.cm2) |
No brakes |
18.927 | |
| Has brakes |
19.757 | ||
| Motor Feedback Methods |
Optional: Resolver feedback, Hall effect, incremental, and multiturn absolute encoders |
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| Motor Insulation Class |
F | ||
| Motor Protection Rating |
IP54（Excludes shaft ends） | ||
| Weight(Kg) |
No brakes |
9 | |
| Has brakes |
10.2 | ||
| Vacuum Environment |
Resolver feedback: 1×10⁻⁷ Pa; other encoders: maximum 1×10⁻⁴ Pa |
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| Work Environment |
Resolver feedback: -196°C to +200°C; other encoders: -40°C to +105°C |
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| Servo Motor Series | 3800W |
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| Rated Voltage（V) |
220 | 380 | |
| Motor Pole Pairs |
5 |
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| Rated Power(W) |
3800 | ||
| Rated Torque(NM) |
15 | ||
| Rated Speed(RPM) |
2500 | ||
| Rated Current(A) |
13.5 | 7.5 | |
| Maximum Torque(NM) |
45 | ||
| Maximum Current(A) |
40.5 | 22.5 | |
| Maximum Speed(RPM) |
3000 | ||
| Wire Resistance(Ω) |
0.277 | 0.85 | |
| Wire Inductance(mH) |
2 | 5.6 | |
| Counter-EMF(V/Krpm) |
74.92 |
132 | |
| Moment of Inertia (Kg.cm2) |
No brakes |
31.048 | |
| Has brakes |
31.878 | ||
| Motor Feedback Methods |
Optional: Resolver feedback, Hall effect, incremental, and multiturn absolute encoders |
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| Motor Insulation Class |
F | ||
| Motor Protection Rating |
IP54（Excludes shaft ends） | ||
| Weight(Kg) |
No brakes |
13.2 | |
| Has brakes |
14.3 | ||
| Vacuum Environment |
Resolver feedback: 1×10⁻⁷ Pa; other encoders: maximum 1×10⁻⁴ Pa |
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| Work Environment |
Resolver feedback: -196°C to +200°C; other encoders: -40°C to +105°C |
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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.
