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Product Description
The WHEATSTONE High-temperature liquid-cooled explosion-proof servo motors are specialized motors capable of precise operation in flammable, explosive, and high-temperature environments without overheating. They integrate three core technologies: precise servo control, a rugged explosion-proof housing, and a highly efficient liquid cooling system.
High-efficiency cooling to handle high temperatures: This is its most notable feature. Liquid cooling removes heat by circulating coolant (water or oil) through channels inside the motor or its housing, making it much more efficient than air cooling.
Precise Control, Rapid Response: As a servo motor, it is inherently capable of high-precision positioning, rapid response, and stable torque output.
Built with high-quality materials and designed for extreme environments: The interior features Class H (180°C) and even Class C (200°C+) high-temperature insulation materials, along with special permanent magnets and high-temperature lubricants, ensuring that the product does not demagnetize or fail at high temperatures.
Motor Dimensions
Electrical Parameters
Application Industry
The industrial applications of high-temperature, liquid-cooled, explosion-proof servo motors are primarily concentrated in the chemical, lithium-ion battery, petroleum, mining, and emerging precision manufacturing sectors. These motors are designed to address the “dual challenge” of flammable and explosive environments combined with high temperatures and pressures, ensuring absolute production safety while enabling high-precision automated control.
1.Petrochemicals and Pharmaceuticals
Stirring in Chemical Reactors: In processes such as refining, petrochemicals, and polymerization,
electric motors are required to drive stirring blades with precise control over speed and torque,
while withstanding the high temperatures and highly corrosive volatile substances present near the reactor.
Liquid cooling systems ensure that the motor’s surface temperature remains strictly
below the ignition temperature of flammable gases (such as hydrogen and ethylene) during long-term operation.Precision Metering and Valve Control: In chemical powder conveying or liquid precision batching systems,
multiple servo motors are often synchronized via a bus network. This requires high dynamic response and
extremely low torque fluctuations to ensure mixing accuracy.
Pharmaceutical Filling Lines: To meet the dual requirements of explosion protection and hygiene in cleanrooms,
these systems drive filling needles to perform high-precision positioning and metered dispensing operations.
2.Lithium-Ion Battery and New Energy Manufacturing
Processes such as electrolyte filling and formation in lithium-ion battery production are filled with flammable electrolyte vapors and require extremely high motion precision.
Electrolyte Filling and Coating Equipment: On lithium-ion battery electrolyte filling or electrode sheet coating production lines, high-precision explosion-proof servo motors are used to drive pumps and valves, controlling the precise dispensing of small volumes of electrolyte or slurry. At the same time, any sparks or heat sources that could ignite the vapors must be strictly prevented. Explosion-proof servo series from manufacturers such as ABB are specifically designed to serve this emerging market.
3.Downhole Oil and Mining Applications
These are the scenarios that place the most extreme demands on a motor’s ability to withstand high temperatures
and high pressures.
Measurement While Drilling/Logging While Drilling (MWD/LWD): At depths of several thousand meters below
ground, ambient temperatures can exceed 200°C, and pressures can reach as high as 1,700 bar. Specialized
brushless servo motors drive the rotation of measurement tools, transmitting real-time data back to the surface.
Underground Coal Mining Equipment: Motors drive mining machinery, conveyor belts, and other equipment.
The motor housing must be capable of withstanding internal explosions (flameproof type) and be equipped
with a temperature control system to prevent methane or coal dust explosions caused by overheating due to
overload.
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