SVT 2 / 20 / 200 / 2000 - Technical Data
Fretting wear, reciprocating sliding contact
Type of motion	sliding
Mode of motion	Contineously, translational, unidirectional multipass, single passes to each other, reciprocating and uni-directional, rolling contact
Frequency	1Hz - 500 Hz. Max. Stroke: +/- 5 mm. The stroke of the specimen support decreases with the frequency applied.
Temperature	From room temperature up to 300°C. The temperature ist measured by a thermocouple.
Normal force	0 - 2 / 20 / 200 / 2000 N The load is applied by dead weights which can be shifted through a motor spindle. That way loading ramps can be preset through the control software. Using dead weights ensure that there are no changes in the load applied. Hydraulically generated loads may vibrate.
Triboelement	pin, ball. disk, toroid, component parts. Sample holder can be manufactured according to the customer’s specifications.
Specimen dimensions	Maximum: 90 mm x 90 mm x 20 mm
Contact dimensions	ball on disk pin on disk flat on disk
Counterbody dimensions	ball Ø: 5 mm - 10 mm pin Ø: 5 mm - 10 mm, height: 10 mm disk Ø: 20 mm x 20 mm x 5 mm
Interfacial Medium	None or lubricants. For corrosive lubricants the pot can be supplied with a golden coating.
Friction mode	solid state friction, boundary lubrication
Wear mechanisms	tribo-oxidation, abrasion, adhesion
Measurands	Normal force, friction force, linear wear amount, temperature, frequency
Standards	DIN 51834-1/2/3, DIN 13973-1, ASTM D 5706, ASTM D 5707, ASTM G 133, ASTM D 6079, ASTM D 2596, ASTM D 2783, ASTM D 2266, ASTM D 4172, IP 239, IP 300
Test Rig   - motor motion oscillation up to 500 Hz   - friction force transducer with measuring range from 5 to 2000 N   - force transducer for measuring the normal force (range 0 - 2000 N)   - upper specimen holder made of stainless steel   - displacement sensor for measuring the linear amount of wear
Control Rack   - Signal conditioning: For temperature, torque, friction force,     normal force, frequency, wear   - Displays all measured values on the control rack   - Control shaker for oscillating movements   - BNC sockets: to pick up analog signals of the measured values   - Emergency shut-down: The tribometer can be shut down in case of     malfunction.   - Overload module: turns off the shaker when the measuring range     is exceeded in order to prevent staff and tribometer from harm.   - Power supply for amplifiers
Data Aquisition and Control   - Data aquisition: For temperature, torque, friction force, normal force,     frequency, rotation velocity, wear.   - Control: Frequency of the shaker, temperature, load applied     Setup/configuration for test parameter   - Analysis: Display of all or single measured values in the same     graph. Display of the friction coefficient   - PC: Including multi function board for analog and digital input     and output.   - Printer: for coloured plots.