WDW-200 Computer Controlled Electronic Universal Testing Machine

Product Description

Application and Features:
This machine is widely used to analyze the mechanical properties of metal and non-metal materials, having three closed loop control modes: stress, strain and displacement, able to determine the maximal force, tensile strength, shear strength, compression strength, elastic modulus, Poisson's ratio, elongation at fracture, yield strength and other parameters, in accordance with GB, MT*****7, CECS******5 and ISO, JIS, ASTM, DIN and other national standards.
 
Standard Configuration:

1. Host machine: Double-space gate-type high stiffness frame structure
   1. High efficiency, low noise AC servo motor and speed regulation system
   2. High stability, high precision force sensor and deformation sensor
   3. Precise ball screw
   4. Deceleration system (ARC-teeth synchronous belt driving)

1. maximal testing force: **0kN
2. precision grade: 0.5
3. testing force measuring range: 0.4%~**0%FS
4. testing force indication relative error: higher than±0.5%
5. testing force resolution:±1/*****0
6. deformation measuring range: 0.2%~**0%FS
7. deformation indication error: higher than±0.5%
8. deformation resolution: 1/*****0 of the maximal deformation, even up to 1/*****0
9. displacement indication error: higher than±0.5%
10. displacement resolution: 0.**5um
11. forcecontrol velocity controlling accuracy: 0.**5~5%FS/s
12. forcecontrol velocity controlling accuracy:

1. deformation velocity regulating range: 0.**5~5%FS/s
2. deformation velocity controlling accuracy:

1. displacement velocity regulating range: 0.**1~**0mm/min
2. displacement velocity controlling accuracy:

1. effective testing width: **0mm
2.  effective stretching space: **0mm
3.  effective compression space: **0mm
4.  host machine dimension: ***0 mm×**0 mm×***0 mm
5.  host machine weight: ***0kg
6.  power: **0V *0Hz 3KW

1. host machine
   1. using high stiffness gate-type frame structure, of high strength and small deformation
   2. using high precision ballscrew, and driving efficiently and steadily
   3. ARC-teeth synchronous belt is used to realize bidirectional gapless transmission
   4. Imported AC servo motor and driving system is used to ensure steady transmission and stable moment, having the function of over-current, overvoltage and over-load protections
   5. Specialized clamps realize firm clamping, convenient operation and no slipping
   6. Specialized design makes testing machine coaxial, avoiding influences of abnormal specimens on sensors

1. Automatic control system

1. realizing closed loop control of testing force, specimen deformation, crossgirder displacement and testing process;
2. datum acquisition system is comprised of four high precision A/D shift channels, resolution being 1/*****0;
3. applying BB, AD, Xilinx and other original brand integrated device, all-digital design;
4. comply with the PCI bus standard, automatic identification and installation
5. Electronic measurement system no potentiometer and other analogue elements ensure interchangability, convenient for maintenance.

1. Computer control system has high degree of integration, stable performance, convenient regulation and other advantages. It is able to do real-time datum acquisition and display testing curves in real-time. Testing datum files can be stored in the form of Access universal database or SQL serve large database, so it is easy for clients to realize resource sharing and NetWare management and users’ reanalysis. This software can easily visit various user defined report forms, in this way, the problem that different users have different needs at different periods. This software can also process testing force, displacement, time and derivative curves;
2. protection function: this tester has two limit protection methods: software limit and mechanical limit; the proportion at which it automatically stops over the maximal load can be freely set; it has over-current, overvoltage, over-load and other protection functions;
3. automatically mark load channel, obvious and convenient;
4. hierarchically display batch testing curves, and testing curves automatic following;
5. realizing user defined speed setting, computer regulating speed, high precision speed calibration, and speed gears and codes regulation at any time;
6. monitoring the testing process: able to display the testing force, displacement, curves and other parameters in real-time;
7. software authority hierarchical management: different passwords can be set to improve the safety of software and testing datum, realizing software authority hierarchical management;
8. results reappearance function: after all testing operations and storages, users can open all testing datum at any time to do reanalysis;
9. users can select the load-time, load-displacement, displacement-time and other testing curves to do analysis, storages and printings;
10. curve point-by-point traversal function: using the mouse to click force and deformation value on the curve to determine various parameters on each point;
11. result contrast function: able to observe several testing curves at the same time, and realize specimen feature contrast by several curves overlapping or partially amplifying;
12. force interface: force channel interface and testing software can be equipped with various sensors according to users’ requirements, also be able to demarcate, revise parameters and conduct tests;
13. datum sampling frequency: according to users’ requirements