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We use different principles for load application. Depending on the test assignment, we will advise an appropriate principle.
Factors influencing choise:
Component
motor, gearbox, reducer, belt, chain, clutch, etc.
Load range
Range of rotation speed
Power range
Operating hours
Type of user
Test engineer versus production worker
Grade of automation
Type test
Production test, product development test, etc.
Purpose of the test
Check torque / speed, determine efficiency, etc.
Based on your challange and a (telephone) conversation, we make an estimate of the best option for your specific test assignment. We will discuss this with you. Based on the outcome we can make an offer.
Brake stand
We often use brake stands with air or water-cooled brakes. These have the advantage that they are easy to use and that torque and speed are independent of each other.
For example: With the same air-cooled brake stand we can test a component with 10 rpm and 500 Nm, but also a component with 1500 rpm and 10 Nm.
Much higher power and torque can be achieved with the water-cooled brake stands.
Power multiplier
Also called four square test machine. This set-up is very suitable for a high test power with a low electrical connection capacity.
The test range is relatively wide and the energy consumption is low.
This arrangement is very suitable for many operating hours.
The operation and assembly of the components to be tested is less simple than with a brake stand.
Motor-generator set-up
In this test setup, a generator (driven motor) provides the torque.
This arrangement is suitable for many operating hours.
However, the test range is quite small and the set-up and operation is more difficult.
Efficiency measuring machine
Usually this will be a motor-generator setup.
The most important thing with this machine is the way of measuring the efficiency.
The measurement of torque and speed on the input and output shafts of the test object is generally not accurate enough to determine the efficiency.
We use a different method that is more accurate.
Other testing machines
We are constantly developing new principles.
Examples include flywheel testing machines, inertia testing machines, magnetic testing machines. We are also always willing to look for a new way of testing for a customer.
Challenge us!