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Subject single or multiple damper specimens to millions of durability cycles, or run short bursts of high-performing cycles to measure damping characteristics. MTS damper durability systems combine highly stiff, self-supporting bases to withstand high inertial loading and selectable three-stage servovalves to perform high velocity durability testing on even the largest dampers and struts.
Models 850 & 852 deliver the force required for multi-specimen durability testing while supporting an array of optional hardware for a wide variety of performance testing
Capable of generating a full spectrum of control waveforms, including sine, ramp, square, sine-on-sine, sine sweep, dual rate sine, dual rate ramp and user defined block cyclic.
A certified, safety-rated Programmable Logic Controller (PLC) ensures the safety of human operators and ISO 13849 compliance
MTS Damper Testing Software enables easy test setup, flexible yet comprehensive data acquisition, automated test data reports and numerous methods of presentation and analysis
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Units |
Model 849.15 |
Model 849.25 |
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Actuator Maximum Dynamic Force |
kN |
15 |
25 |
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kip |
3.3 |
5.5 |
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Actuator Rod Diameter |
mm |
70 |
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Actuator Stroke |
kN |
250 |
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Actuator Hydrostatic Bearing |
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Standard |
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Actuator Anti-Rotate |
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Standard |
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Servovalve |
lpm |
126 |
188 |
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gpm |
33 |
50 |
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Friction Force Servovalve |
lpm |
3.8 |
3.8 |
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gpm |
1 |
1 | |
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Servovalve Shutoff |
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Manual |
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Hydraulic Low Flow |
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Standard, limits actuator to 10 mm/s |
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Friction Force Load Cell |
kN |
7 |
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lbs |
1500 |
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Sideload |
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Hydraulic, dynamic (optional) |
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Pneumatic, static (optional) |
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Accumulators |
liters |
8 |
15 |
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Test Space |
mm |
1200 |
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HSM |
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Integral to accumulator manifold |
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Performance:
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m/s @ kN |
3.2 @ 0 |
2.9 @ 0 |
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2.3 @ 5 |
2.5 @ 5 |
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0.7 @ 10 |
2.0 @ 10 |
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1.4 @ 15 |
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0.6 @ 18 |
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Machine Specifications |
Units |
Model 850.25 |
Model 850.50 |
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Actuator Rod Diameter |
mm |
80 |
80 |
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in |
3.15 |
3.15 |
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Test Space (Actuator Face to Load Cell) |
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maximum |
mm |
1560 |
1540 |
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minimum |
mm |
160 |
132 |
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Frame Dynamic Load Rating |
kN |
50 |
50 |
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kip |
11 |
11 |
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Floor Mount |
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Frame Bolted to Concrete (optional vibration isolation system available) |
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HSM |
lpm |
Integral to Accumulator manifold, 300 lpm max |
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Actuator Hydrostatic Bearing |
Yes |
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Actuator Stroke |
mm |
250 |
250 |
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in |
10 |
10 |
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Heavy Duty Anti-Rotate |
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Yes |
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Safety Low Flow |
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Yes |
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Accumulator |
l |
19 Liter Pressure and Return |
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Machine Specifications | Units | Model 852.25 | Model 852.50 | Model 852.67 | |
Actuator Rod Diameter | mm | 80 | 80 | 80 | |
in | 3.15 | 3.15 | 3.15 | ||
Test Space (Actuator Face to Load Cell) |
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maximum | mm | 1575 | 1575 | 1575 | |
minimum | mm | 180 | 180 | 180 | |
Frame Dynamic Load Rating | kN | 67 | 67 | 67 | |
kip | 15 | 15 | 15 | ||
Floor Mount |
| Frame Bolted to Concrete (optional vibration isolation system available) | |||
HSM | lpm | Integral to Accumulator manifold, 284 lpm max | |||
Actuator Hydrostatic Bearing | Yes | ||||
Actuator Stroke | mm | 250 | 250 | 250 | |
in | 10 | 10 | 10 | ||
Heavy Duty Anti-Rotate |
| Yes | |||
Safety Low Flow |
| Yes | |||
Accumulator (pressure and return) | l | 19 | 19 | 38 | |
Servovalves (high and low flow modes): Achieve higher-precision in low-velocity tests while in low-flow mode with the addition of secondary servo valves.
Custom Accumulation: Increase system performance with additional accumulators. System can be customizable to meet unique testing needs.
Multi-specimen Fixtures: Enable testing of up to 8 specimens simultaneously. Individual force transducers for each specimen are used to provide accurate data acquisition
Side-load Actuators: Simulate real-world loading conditions by providing an adjustable lateral force on damper test specimens.
Environmental Chamber: Test dampers in real-world hot and cold conditions with an environmental chamber mounted in the test frame.
Water-jacket Cooling: Reduce testing downtime by keeping dampers within a test specification’s required temperatures ranges.
Vibration Isolation: Reduce force transmission into the floor and allow test systems to be installed into facilities sensitive to vibration.
Mud & Slurry Simulation: Simulate testing dampers in real-world muddy conditions. Regulate the amount and consistency of mud slurry with this self-contained mud-slurry option.
ISO 13849-compliant MTS damper test systems employ a certified, safety-rated Programmable Logic Controller (PLC) to manage all safety functions and subsystems, including:
