Series 311 High-Force Test Systems
Ultra-stiff, four-column servohydraulic load frames, dynamically rated to deliver loads ranging from 1 to 30 MN. Higher capacity load frames and unique features can be custom engineered to order.
Applications
- Pliage
- Compression
- Essai dynamique
- Fatigue
- Fatigue et Rupture
- Traction
- Mesure de la rigidité et de la force
Test Specimens
- Béton
- Matériaux
- Panneaux d’avion
- Sous-composants de pale d’éolienne
- Matériaux de construction
- Métaux
- Tuyauterie et tubes
- Barre d’armature
- Chaîne
- Acier de construction
- Fil et câble
Key Product Features
Industry Standard
A proven leader in developing servohydraulic technology
Versatile
Dozens of available accessories including bending fixtures, compression platens and high force grips are available to provide a wide range of testing capabilities
Accurate/Repeatable Results
Superior frame stiffness and alignment produces accurate results
High Performance
Systems can be engineered with higher performance packages to meet any testing requirement
Model Comparison
311.31 / 311.32
- Max force capacity: 1.0 MN / 1.2MN (265 kip)
- Column Diameter: 4 inches
- Load Frame Height: Approx. 5.5m (8 ft)
- Load Frame Weight: Approx. 4100 kg (9100 lb)
- Customized models and performance packages available
311.41
- Max force capacity: 2.5MN (550 kip)
- Column Diameter: 6 inches
- Load Frame Height: Approx. 6.7m (22 ft)
- Load Frame Weight: Approx. 9525 kg (21,000 lb)
- Customized models and performance packages available
311.51
- Max force capacity: 5MN (1100 kip)
- Column Diameter: 8 inches
- Load Frame Height: Approx. 8.5m (28 ft)
- Load Frame Weight: Approx. 21,500 kg (47,500 lb)
- Customized models and performance packages available
311.71
- Max force capacity: 10MN (2200 kip)
- Column Diameter: 10 inches
- Load Frame Height: Approx. 11m (36 ft)
- Load Frame Weight: Approx. 55,000 kg (120,000 lb)
- Customized models and performance packages available
311.91
- Max force capacity: 30MN (6600 kip)
- Column Diameter: 17 inches (425mm)
- Load Frame Height: Approx. 20m ( 65ft)
- Load Frame Weight: Approx. 275,000 kg (600,000lb)
- Customized models and performance packages available
Featured Case Studies
Full Product Information
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1. |
Optional Tie Bar |
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2. |
High-Accuracy Linear Variable Differential Transducer (LVDT) |
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3. |
Precision-machined, ultra-stiff columns |
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4. |
Optional Hydraulic Crosshead Positioning Cylinders |
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5. |
High-Stiffness Crosshead - Integrated Actuator - Integrated Hydraulic Manifold - Close-coupled Accumulators |
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6. |
Optional Hose Stand |
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7. |
Hydraulic Service Manifold (HSM) - Optional hose stand-mounted - Optional crosshead-mounted (shown) - Optional floor-standing |
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8. |
Crosshead Lift/Lock Controls - Optional hose stand-mounted (shown) - Optional floor-standing |
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9. |
Optional Hydraulic Grip Supply |
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10. |
Load Frame Base Options - Standard T-Slot (shown) - Integrated Strong Floor |
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11. |
Precision Force Transducer - Base-mounted (shown) - Actuator-mounted |
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12. |
Optional High-Force Accessories - Compression Platens - Hydraulic Wedge Grips (shown) - Bend Fixtures - Custom Fixtures |
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13. |
Crosshead Clamping Mechanism |
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14. |
High-Performance MTS Actuator - Crosshead-mounted - High-Stiffness - Doubled-ended - Dynamically rated |
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Standard Models |
Custom Models |
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Load Frame Specifications |
Units |
311.31 |
311.32 |
311.41 |
311.51 |
311.61 |
311.71 |
311.81 |
311.91 |
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Dynamic Force Ratings |
kN |
1000 |
1200 |
2500 |
5000 |
7500 |
10,000 |
20,000 |
30,000 |
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(kip) |
(220) |
(265) |
(550) |
(1100) |
(1650) |
(2200) |
(4400) |
(6600) |
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Standard Dynamic Strokes |
mm |
150, 250 |
150, 250 |
150, 300 |
300 |
Custom load frame dimensions vary according to customers' specific application requirements. Consult an MTS Applications Engineer for more information. |
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(in) |
(6, 10) |
(6, 10) |
(6,12) |
(12) |
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Column Diameter |
mm |
101.6 |
101.6 |
152.4 |
203.2 |
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(in) |
(4.00) |
(4.00) |
(6.00) |
(8.00) |
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Column Spacing (width) |
mm |
711.2 |
711.2 |
762 |
1016.0 |
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(in) |
(28.0) |
(28.0) |
(30.0) |
(40.0) |
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Column Spacing (depth) |
mm |
406.4 |
406.4 |
508.0 |
812.8 |
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(in) |
(16.0) |
(16.0) |
(20.0) |
(32.0) |
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Load Frame Height |
mm |
2946-5486 |
2946-5486 |
Note3 |
4470-8534 |
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(min-max) |
(in) |
(116-216) |
(116-216) |
Note3 |
(176-336) |
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Specimen and Grip Spacing |
mm |
254-2794 |
254-2794 |
Note2 |
450-4500 |
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(min-max) |
(in) |
(10-110) |
(10-110) |
Note2 |
(17.8-177) |
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Base Width (width) |
mm |
914.4 |
914.4 |
1066.8 |
1422.4 |
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(in) |
(36.0) |
(36.0) |
(42.0) |
(56.0) |
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Base Width (including lifts) |
mm |
1219 |
1219 |
1492.5 |
1903 |
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(in) |
(48.0) |
(48.0) |
(58.8) |
(75.0) |
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Base Depth |
mm |
1016 |
1016 |
1168.4 |
1397 |
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(in) |
(40.0) |
(40.0) |
(46.0) |
(55.0) |
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Base Height (from floor) |
mm |
280.9 |
280.9 |
332 |
450 |
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(in) |
(11.06) |
(11.06) |
(13.06) |
(17.8) |
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Hose Stand Spacing (max) |
mm |
921 |
921 |
2479 |
2479 |
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(in) |
(36.3) |
(36.3) |
(97.7) |
(97.7) |
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Hose Stand Width |
mm |
991 |
991 |
991 |
991 |
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(in) |
(39.0) |
(39.0) |
(39.0) |
(39.0) |
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Hose Stand Depth |
mm |
688 |
688 |
688 |
688 |
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(in) |
(27.1) |
(27.1) |
(27.1) |
(27.1) |
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Hose Stand Height |
mm |
2426 |
2426 |
2819 |
3200 |
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(in) |
(95.5) |
(95.5) |
(111.0) |
(126.0) |
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Approximate Crosshead Weight |
kg |
1225 |
1225 |
2903 |
7938 |
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(lb) |
(2700) |
(2700) |
(6400) |
(17,500) |
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Approximate Total Weight |
kg |
4100 |
4100 |
9525 |
21500 |
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(lb) |
(9100) |
(9100) |
(21,000) |
(47,500) |
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System Stiffness4 |
N/m |
1.6 X 109 |
1.6 X 109 |
3.1 X 109 |
3.9 X 109 |
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lbf/in |
9.3 X 106 |
9.3 X 106 |
17.4 X 106 |
22.6 X 106 |
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1.Model 311.31 & 311.32 with actuator retracted, 311.41 & 311.51 with actuator at mid-stroke |
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2.Model 311.41 150 mm stroke is 400 – 3000 mm (15.75 – 118.1 in), 311.41 300 mm stroke is 400 – 3385 (13.31 – 133.3 in) |
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3.Model 311.41 150 mm stroke is 3554 – 6154 (140.0 – 242.3 in), 311.41 300 mm stroke is 3720 – 6768 (146.5 – 266.5 in) |
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4.Stiffness calculated at a crosshead height of 2 meters (78.7 inch) above the base. |
Service and Support
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