Motors and drives
Sustained torque, rapid motion and compact joints can build heat near bearings, windings and power electronics.
Robotic Systems
Custom Liquid Cooling for Robotic Equipment
We develop compact cold plates and liquid cooling modules for robotic equipment. The design accounts for heat load, movement, weight and hose routing, with the supplied cooling hardware and tests agreed for each application.
Discuss a Robot Cooling Project
Heat Sources in Robotic Equipment
We assess the heat generated during the robot’s actual operating cycle. Motor load, controller use, movement and ambient conditions help determine where cooling is needed.
Power and edge AI
Drives, control hardware and onboard compute may be concentrated inside sealed or noise-sensitive enclosures.
Battery and DC/DC
AMR or mobile-platform loads change with drive, charging, ambient and duty cycle.
End effector
Welding, laser or inspection tools can create additional heat loads and require separate coolant connections.
- Performance signal: reduced sustained torque, compute throttling or temperature-based derating.
- Availability signal: warning, shutdown or longer recovery between tasks.
- Integration signal: larger fans, filters or vents conflict with enclosure, noise or contamination goals.
- Data needed: heat by mode, duration, pose, speed, payload, ambient and allowed temperatures.
Choosing a Cooling Method
Liquid cooling can help when heat needs to move away from compact or sealed areas. The robot must also accommodate the pump, coolant, tubing and required service access.
| Robot context | Passive or air may fit when | Liquid may be worth reviewing when | Added constraints |
|---|---|---|---|
| Industrial arm or cobot | Joint and drive heat can leave through structure or local airflow. | Sustained motion or sealed joints require remote heat transport. | Joint motion, hose torsion, inertia, abrasion and safe stop response. |
| AMR / mobile robot | Controller and battery have sufficient airflow and ambient margin. | Battery, power or compute heat is concentrated in a sealed platform. | Weight, energy, shock, orientation, charging and service access. |
| Humanoid / service robot | Distributed loads stay within passive or fan limits. | Compact actuators and compute need controlled remote heat rejection. | Mass distribution, motion envelope, noise and multi-position bleeding. |
| Controller enclosure | Filtered or forced air meets the contamination and noise goals. | Sealed or high-density electronics need heat moved outside the cabinet. | Fluid connections, condensation, monitoring and external heat rejection. |
Design Around Motion, Weight and Hose Routing
The liquid path has to survive the actual movement without violating the robot’s mass, envelope, service or connector limits.
- Weight, center of gravity, inertia and allowable component position.
- Joint range, full motion path and collision or pinch zones.
- Minimum bend radius, torsion and repeated-flex requirements.
- Abrasion protection, clamps, supports and connector retention.
- Service loops, replacement access and installation sequence.
- Operating orientations, filling, bleeding, drainage and pump inlet condition.
- Ambient, contamination, ingress and condensation requirements.
- Motion-cycle profile and acceptance criteria for platform validation.
Custom Cooling Components for Your Robot
We evaluate each subsystem against the available drawings and operating conditions. Cold-plate geometry, mounting and fluid connections are developed for the specific equipment rather than a universal robot fit.
Actuator or motor interface
Match the contact surface and mounting to the heat source, with fluid connections clear of the moving structure.
Controller or edge AI
Develop cooling around the specified board, enclosure and contact areas, while preserving tube routing and remaining airflow.
Battery or power electronics
Assess the device contact, electrical separation, fluid path and operating conditions before selecting the cooling arrangement.
End effector or integrated module
Coordinate process heat removal with the tool’s weight, connections, motion and service requirements.
Cooling Monitoring and Robot Controls
Temperature, flow or leak signals can support system monitoring where included in the design. Your robot team defines the warnings, performance reduction and safe-stop response.
TEMPERATUREDevice, coolant or enclosure measurement at project-defined locations.
FLOW / PRESSUREEvidence of circulation or a blocked, leaking or disconnected path.
LEAK / CONDENSATIONDetection, drainage and electrical-separation inputs where required.
ROBOT RESPONSEOEM-defined warning, derating, controlled stop or service action.
| Risk | Possible signal | Cooling-component input | Robot control response |
|---|---|---|---|
| Loss of flow | Flow, pressure or temperature trend | Sensor or interface requirement included in the reviewed scope | Warning, derating and safe-stop logic |
| Leakage | Leak sensor or unexpected pressure condition | Leak routing, electrical separation and connection design | Isolation, service and recovery procedure |
| Condensation | Surface temperature, humidity or dew-point input | Surface limit, insulation or drainage requirement | Control logic and permitted operating conditions |
| Overtemperature | Device or coolant temperature | Measurement location and operating limits | Performance reduction, stop and fault retention |
Testing Under Actual Movement and Load
We agree component-level checks for the cooling hardware. The robot team then tests routing and operation through the intended poses, loads, speeds and duty cycles.
| Question | Potential test | Required project condition | Responsible team |
|---|---|---|---|
| Is the fluid path sealed? | Leak, pressure or connector-retention check. | Pressure, coolant, duration, orientation and acceptance criteria. | ThermalBro for agreed component scope |
| Does it move heat and fluid? | Flow, pressure-drop and thermal test. | Load by mode, inlet temperature, flow, ambient and fixture. | Shared; robot OEM validates real system |
| Does routing survive movement? | Motion-cycle, flex, torsion, abrasion or retention test. | Joint path, speed, cycle, payload, support and service life target. | Robot OEM / integrator |
| Does the platform survive its environment? | Project-defined temperature, vibration, shock, contamination or noise checks. | Installation, operating mode, standard, method and pass criteria. | Finished-system owner |
Robot Liquid Cooling FAQ
Answers about cooling arrangements, hose movement, monitoring and component testing.
When does a robot need liquid cooling instead of passive or air cooling?
Review liquid cooling when sustained heat, enclosure, noise or heat-transport distance limits simpler methods and the platform can support fluid, pump, weight, service and fault-response work.
Can several robot heat sources share one cooling loop?
We can evaluate a shared loop. The design must suit each device’s heat load and temperature limits, as well as coolant flow, pressure drop, routing and operating orientation.
How are hoses managed across moving robot joints?
Use the joint range, motion path, bend radius, torsion, abrasion, support, connector protection, service loop and expected cycle. Validate the actual routing on the platform.
Can the cooling design follow a robot weight and inertia budget?
Yes. Provide weight, center-of-gravity, inertia, envelope and motion limits so architecture and component placement can be reviewed early.
How are fluid temperature and flow faults communicated to the robot controller?
The project can define temperature, flow, pressure or leakage signals. The OEM owns the safety function, derating, stop response and system validation.
Can ThermalBro review cooling for AMR batteries, AI computers or motor drives?
We can assess these applications using the device layout, heat load, electrical separation and operating conditions. Feasibility and the supplied parts are confirmed for each project.
Which motion and reliability tests should be planned?
The program may require leak, pressure, flow, thermal, motion-cycle, vibration, shock, hose-wear, retention and noise tests with defined pose, load and criteria.
Does a cooling-module report certify the complete robot?
No. The OEM or integrator remains responsible for risk assessment, safety functions, applicable standards, ingress protection and complete-robot validation.
Discuss Cooling for Your Robot
Share the equipment layout, operating cycle and movement requirements. We will assess suitable cooling components and the information needed for a prototype.
- Heat load by operating mode
- CAD, keep-outs and joint path
- Weight and inertia budget
- Coolant and ambient or ingress conditions
- Power, sensors and controller interface
- Quantity and validation requirements