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WAW-D series (crosshead moving by cycle chain & motor)

United Test make Universal Testing Machines are known for their long lasting trouble-free performance and highest quality material used in the manufacturing process. The Hydraulic universal testing machine can perform tension, compression, flexure/bending and shearing test for kinds of specimens. Suitable for metal and nonmetal material, such as iron, steel, steel bar, rebar, cement, concrete, steel rod and so on.

Specially design for production, research, student training and industrial laboratory. Available in wide range of loadframe capacities (300kN to 2000kN)/(10Ton to 200Ton) and with combination of control panels (Digital, Computerised) makes United Test product range suitable for every customer requirement.

Load weighing system meets or exceeds the requirements of the following standards: ASTM E4, EN10002-2, BS 1610, DIN 51221, ISO 7500-1.

Main features:

1), Computer controlled hydraulic servo operate loading model, double working space, tensile test at upside of crosshead, compression and bending test between working bench and crosshead;
2), It adopts the hydraulic pressure to drive the cylinder, so loading on the specimen to perform the test. Hydraulic station supplies super and stable pressure to the system; the soundproof insulation can reduce the noise level of the power pack to 75 dB (A), with lower noise, tiny energy consuming and lower heat.
3), Unique screw gap eliminating structure can guarantee the continuity of the test;
Total six columns structure, four column and two leading screw to make the machine more stable and life long working.  
4), Independent hydraulic clamping structure can guarantee the reliability of the system; it will not hurt person for falling specimen and ensure the safety of operator;
5), Limitation and electrical protection system can ensure the security of using;
6), The load frame adopts oil cylinder bottom type structure, hydraulic load, hydraulic clamping specimen;
7), Servo valve can control the speed arbitrarily through the software. It can carry out loading, unloading and oil quick feedback function (i.e. the cylinder come back to its original position after the test);
8), Crosshead (the middle beam) movement is by mean of motor, chain at the bottom of loadframe, driven leading screw to make crosshead up and down.

ModelWAW-300DWAW-600DWAW-1000DWAW-2000D
Max. load300KN600KN1000KN2000KN
Column Number4 column and 2 leading screw, total 6 columns
Measuring force range2%~100%
Accuracy of load±1% of indicated value
Accuracy of deformation ±0.5%, resolution: 0.01mm
Constant load, displacement, deformation control Range0.4%~100%FS
Deformation rate control accuracyRate<0.05%FS,accuracy ±2.0%
  Rate≥0.05%FS, accuracy ±0.5%
Deformation measuringClip-on extensometer, standard gauge 50mm, extension 5/10/25mm
Max. tensile space700mm700mm800mm900mm
Max. compression space600mm600mm700mm800mm
Flat specimen range0~15mm0~30mm0~40mm0~60mm
Round specimen rangeφ10~φ32mmφ13~φ40mmφ13~φ60mmφ15~φ70mm
Compression platen dia.200*200mm200*200mm200*200mm204*204mm
Bending support roller distance350 mm350 mm350 mm450 mm
Bending roller width100mm140mm140mm140mm
Bending roller dia.30mm30mm30mm50mm
Piston stroke250mm250mm250mm250mm
Max. piston speed100mm/min100mm/min100mm/min60mm/min
Clamping modeHydraulic automatic
Dim. of frame910*550*2370mm960*650*2600mm1160*1100*2600mm
Dim. of control box1100×700×950mm
Weight2600kg2600kg3900kg8500kg
Standard AccessoriesLoad frame, servo oil source, control box, servo valve, Japan Nachi Pump;
oil pressure sensor (Load cell is optional) , liner displacement sensor,
tensile test Jaws, compression platen, bending test accessory,
PC, printer, Professional software, tools, anchor bolts, operation manual

Load frame, servo oil source, control box, servo valve, Japan Nachi Pump;
oil pressure sensor (Load cell is optional) , liner displacement sensor,
tensile test Jaws, compression platen, bending test accessory,
PC, printer, Professional software, tools, anchor bolts, operation manual

Load weighing system meets or exceeds the requirements of the following standards: ASTM E4, EN10002-2, BS 1610, DIN 51221, ISO 7500-1.

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