Dynamometer and Loading Unit
Selected for rated and peak torque, maximum speed, power, duration, inertia, and dynamic response.
Controlled Motor Loading and Measurement
Dynamometer Test Bench for Motor Performance and Durability Testing
Weiheng designs custom dynamometer test benches for controlled loading, torque-speed measurement, efficiency mapping, thermal tests, and durability validation.
The loading unit, measurement range, cooling, fixture, control mode, software, and safety functions are configured around your motor and test profile.
SystemLoading, measurement, control, and software integration
Direct Answer
What is a dynamometer test bench?
A dynamometer test bench applies a controlled mechanical load to a motor while measuring torque, speed, electrical input, mechanical output, efficiency, and thermal or dynamic behavior. Weiheng configures the system according to motor power, torque, speed, load profile, fixtures, software, and laboratory environment.
Test Coverage
Typical Dynamometer Test Items
Test sequences and limits are confirmed against the motor, controller, standard, and validation plan.
- Torque-speed curve
- Power and efficiency
- Efficiency map
- Rated load
- Peak torque
- Peak speed
- Temperature rise
- Durability
- Torque ripple
- Dynamic response
- Overload test
- Automatic reports
System Architecture
Dynamometer Test Bench Configuration
Torque and Speed Sensors
Measurement ranges and accuracy are matched to the motor and required test standard.
Electrical Measurement
Voltage, current, input power, output power, and efficiency are synchronized with mechanical data.
Motor Fixture and Coupling
Custom base, shaft alignment, coupling, guard, and fixture design for the device under test.
Control and Safety Cabinet
Closed-loop loading, emergency stop, overload protection, interlocks, and operating status control.
Test Software
Automated sequences, curve display, data storage, report generation, and optional English workflow customization.
Selection Inputs
Configure the Dynamometer Around the Test Profile
| Motor under test | Motor type, rated power, rated torque, peak torque, rated speed, and maximum speed |
|---|---|
| Load profile | Steady-state points, ramp loading, speed sweep, torque sweep, transient, or endurance cycle |
| Operating mode | Torque control, speed control, forward/reverse operation, and project-specific modes |
| Mechanical interface | Shaft dimensions, installation drawing, coupling, base, guard, and alignment requirements |
| Measurements | Torque, speed, voltage, current, power, efficiency, temperature, vibration, and custom channels |
| Test environment | R&D laboratory, production QC, teaching laboratory, or integrated validation line |
Engineering Value
One Integrated Loading and Measurement Platform
Closed-loop loading and synchronized acquisition produce repeatable data across the complete test sequence.
Controlled Load Profiles
Run steady-state points, sweeps, cycles, and project-specific loading sequences.
Synchronized Data
Align mechanical and electrical channels for torque-speed and efficiency analysis.
Custom Mechanical Design
Match the shaft, coupling, fixture, base, guard, and installation conditions.
FAQ
Dynamometer Test Bench Questions
What is a dynamometer test bench?
A dynamometer test bench applies a controlled mechanical load to a motor while measuring torque, speed, electrical input, mechanical output, efficiency, and other performance data.
How do I select a dynamometer for motor testing?
Selection starts with rated and peak torque, maximum speed, power, test duration, dynamic response, cooling, and the required loading profile.
Can Weiheng customize the fixture and coupling?
Yes. Weiheng can design the base, fixture, shaft connection, coupling, guard, alignment structure, and mechanical layout around the motor drawing.
Can the system run automatic torque-speed tests?
Yes. The software can execute configured load points or sweeps, collect synchronized data, display curves, judge results, and generate reports.
What should I send for a technical proposal?
Send the motor specification, rated and peak values, maximum speed, test items, load profile, drawing, application, installation country, and laboratory or production requirements.
Request a Proposal
Send load profile and motor data. Get a dynamometer configuration.
Share the motor specification, rated and peak values, maximum speed, loading profile, duty cycle, mechanical drawing, application, and installation country.