Tribometer PTRM 500
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- MEASUREMENT APPLICATION
- TECHNICAL PARAMETER
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Description
Characteristics
- Tribological testing in rotational movements
The tribometer is used for examining and simulating friction and abrasion processes of polishing materials under sliding load. It can be operated without lubrication with solid objects and with fluid lubricants with boundary or mixed friction. Thus both materials and lubricants can be examined.
In the standard testing procedure two discs are pressed onto each other under a defined normal force. Both specimen are arranged vertically and both test-discs rotate. The upper test-disc can be displaced vertically.
The normal force is provided by the movement of the motor block via a motor spindle system. Two springs situated in the sensor block under the linear table are used as absorption of the normal force. The drive unit is a servomotor which can be regulated continuously variably between 0.1 and 3000 / 4000 / 6000 min-1. The actual testing device consists of the motor unit, the drive unit and the load component. The assemblies are fixed n top of each other in a slideable manner to two vertically positioned bars. During testing the normal force, the rotational speeds and the friction torque are continuously measured. The active torque is registered by a torque shaft. All measurement signals are sent to the control cabinet and processed accordingly. The data collection is provided by a multi-functional data collection modulewith a resolution of 16 Bit and the software provides a measuring frequency of 0.01 – 100 Hz. The rotational speed is registered digitally with a measuring frequency of 4 Hz. The software is used for controlling and measurement data recording purposes.
Type of motion: | Sliding |
Kind of motion: | Continuous – rotating / oscillating / vibrating |
Overlapping movement: | Oscillation / Vibration |
Geometry of specimen: | Disc – disc |
Lubricant: | Without / fluids |
Actuating elements: | Normal force / rotational speed |
Sensory functions: | Normal force / active torque / rotational speed |
Normal force: | 5 – 500 N (dynamic transfer of force) |
Rotational speed: | 0,1 – 3000 min-1 / 0,1 – 4000 min-1 / 0,1 – 6000 min-1 (depending on model) |
Temperature: | RT |
Friction radius: | 0 – 30 mm |
Active torque: | 0,5 / 1 / 2 / 5 Nm torque shaft (depending on model) |
Spindle drive unit: | Air bearing spindle / roller bearing spindle |
Power input: | 3 ~ 400 VAC / 10 kVA (depending on model) |
Compressed air | |
Dimensions (testing device): | ca. 850 x 1000 x 1500 mm (W x D x H) |
Weight (testing device): | ca. 550 kg |
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