WDW-300S Microcomputer-Servo-Controlled Electronic Universal Testing Machine (300 kN, High-Capacity Model)

Product Introduction:

The WDW-300S microcomputer‑servo‑controlled electronic universal testing machine (300 kN capacity) is a next‑generation, microcomputer‑controlled device specifically designed for universities and research institutes. The computer system employs a fully digital controller to drive the servo motor via a speed‑regulation unit; after deceleration through a reduction gear set, the motion is transmitted via a precision ball‑screw assembly to raise or lower the crossbeam, enabling tensile, compressive, flexural, shear, and other mechanical property tests. Additionally, it can be equipped with a wide variety of test fixtures, offering broad application potential in the mechanical testing of metals, nonmetals, composite materials, and related products. This machine is widely used for material testing and analysis across industries such as construction materials, aerospace, machinery manufacturing, wire and cable, rubber and plastics, textiles, and home appliances, making it an ideal testing instrument for research institutions, higher education establishments, industrial and mining enterprises, technical supervision agencies, and commodity inspection and arbitration bodies.

Applicable Standards (some standards require the optional selection of corresponding fixtures and accessories):

GB/T 2611 “Testing Machines — General Technical Requirements”

JB/T 7406.1 “Terminology for Testing Machines — Material Testing Machines”

GB/T 16491 “Electronic Universal Testing Machine”

GB/T 16825.1 “Verification of Static Uniaxial Testing Machines — Part 1: Verification and Calibration of the Force-Measuring System of Tensile and/or Compressive Testing Machines”

GB/T 22066 “Evaluation of Computer Data Acquisition Systems for Static Uniaxial Testing Machines”

JJG 139 “Tensile, Compression, and Universal Material Testing Machines”

JJG 157 “Verification Regulation for Non-Metallic Tensile, Compressive, and Universal Testing Machines”

JJG 475 “Verification Regulation for Electronic Universal Testing Machines”

JB/T 6146 “Technical Specifications for Extensometers”

JB/T 6147 “Technical Requirements for Packaging, Packaging Marking, and Storage and Transportation of Testing Machines”

GB/T 228.1 “Metallic Materials — Tensile Testing — Part 1: Method of Test at Room Temperature”

GB/T 7314 “Metallic Materials — Method for Compression Testing at Room Temperature”

GB/T 232 “Metallic Materials — Bend Test Method”

GB/T 528 “Determination of Tensile Stress–Strain Properties of Vulcanized Rubber or Thermoplastic Rubber”

GB/T 528 “Determination of Tear Strength of Vulcanized Rubber or Thermoplastic Rubber”

GB/T 13022-91 “Test Method for Tensile Properties of Plastic Films,” among others.

Technical specifications:

WDW-300S Microcomputer-Servo-Controlled Electronic Universal Testing Machine (300 kN, large capacity) – Overall Configuration:

Host

1.1 The main unit features a floor-mounted frame structure, offering high strength, minimal deformation, and an elegant, aesthetically pleasing appearance.

1.2 Employs imported high-precision ball screws for efficient and smooth transmission;

1.3 Employs a high-precision spoke-type load cell, offering high measurement accuracy and excellent stability.

1.4 The transmission system employs an arc-tooth synchronous belt drive, ensuring backlash-free operation in both directions during transmission.

1.5 Employs imported AC servo motors and drive systems to ensure smooth transmission and stable torque, equipped with protection features against overcurrent, overvoltage, and overload; the speed ratio can reach as high as 1:100,000.

1.6 The fixture is specially designed to provide secure clamping, convenient operation, and eliminates jaw slippage.

1.7 Special manufacturing processes ensure the coaxial alignment of the testing machine, effectively eliminating the influence of irregular specimens on the sensor.

Control software

It complies with the relevant provisions of more than thirty national standards, including GB 2611-2022 and GB 228-2021, and can also perform tests and process data according to a variety of standards such as GB, ISO, JIS, ASTM, DIN, as well as user‑provided specifications, while offering excellent scalability.

It complies with the relevant provisions of more than thirty national standards, including GB 2611-2022 and GB 228-2021, and can also perform tests and process data according to a variety of standards such as GB, ISO, JIS, ASTM, DIN, as well as user‑provided specifications, while offering excellent scalability.

1. The computer control system boasts high integration, stable performance, and convenient adjustment. It enables real-time acquisition of experimental data and provides dynamic, real-time display of experimental characteristic curves. Experimental data files can be saved in either the widely used Access database format or the more robust SQL Server database, facilitating resource sharing among clients, network management, and subsequent user reanalysis. Moreover, the software seamlessly supports user‑defined Word 2000–style reports, effectively addressing the challenge of varying reporting requirements across different users or within the same user at different times. The system can process raw data for test force, displacement, and time, as well as derived curves.

2. Protection Features: This machine is equipped with both software‑based and mechanical limit‑protection mechanisms, with the percentage of automatic shutdown upon exceeding the maximum load dynamically adjustable; it also incorporates multiple protection functions, including overcurrent, overvoltage, and overload protection.

3. The load channels can be automatically labeled, providing intuitive and convenient visualization.

4. Batch testing enables hierarchical display of curves and automatic curve tracking.

5. This software allows users to define custom speed settings and perform computer‑based speed adjustments. It also supports high‑precision speed calibration, enabling real-time adjustment of speed levels and encoder settings.

6. Monitoring the testing process: Real-time display of various parameters, including test force, displacement, and load–displacement curves, is available during the test.

7. Software Permission Hierarchical Management Function: To enhance the security of the software and its data, this software supports role-based access control by configuring distinct password protections.

8. Result Reproduction Function: After completing the test procedure and saving the data, users can reopen the file at any time to re-analyze the experimental data as needed.

9. Users can select load–time, load–displacement, displacement–time, and other curves as needed for testing, with options for data display, storage, analysis, and printing.

10. Point-by-point traversal of the curve: Users can click on the curve with the mouse to obtain the force and deformation values at each point, thereby calculating various parameters for every data point.

11. Result Comparison Function: Allows simultaneous viewing of multiple test curves and enables comparison of the characteristics of samples under analysis through curve superposition and local magnification.

12. Force Interface: The force-channel interface and test software can be equipped with various sensors according to user requirements, and support calibration, parameter modification, and routine testing.

13. Data sampling frequency: A high-speed sampling frequency can be selected according to the user’s test requirements.

Basic configuration:

1. Testing machine mainframe (floor-mounted frame structure)

1.1 AC Servo Motors and Servo Drives

1.2 High-Precision Load Sensor

1.3 Imported precision ball screw assemblies

1.4 Reduction System (Arc-tooth Synchronous Belt Drive)

2. STC300 dual-channel programmable amplifier, with a resolution of 1/500,000.

3. Dedicated Control Software

4. Optical Encoder

5. The complete set of accessories includes tensile, compressive, and bending fixtures (with various types of grips available upon customer request).

6. Lenovo-brand computers

7. HP A4 Inkjet Printer

8. Technical Documentation: User Manual, Software User Guide, Certificate of Conformity, Packing List