Hydraulic universal testing machines, electronic tensile ...

The pressure testing machine developed by Liang Gong Co. is primarily used to assess the compressive properties of materials. Different sample materials require varying equipment.

Currently, the pressure testing machines provided by United Inspection are mainly categorized into:
YAW Series Full-Automatic Pressure Testing Machines (200T, 300T)
The machine features microcomputer control, constant-speed loading, and automatic completion of the testing process. It is ready for use once it is placed on the ground smoothly and horizontally. It is commonly used for force values of 200 tons and 300 tons, primarily for compressive strength tests of construction materials such as rock, concrete, cement products, hollow bricks, fly ash bricks, refractory materials, engineering materials, stone, and rubber bearings. It is an essential piece of equipment in testing laboratories for industries including highways, railways, bridges, construction, building materials, and colleges and universities.
2 YAW-300B Microcomputer-Controlled Hydraulic Pressure Testing Machine
The testing machine features an electro-hydraulic servo pressure testing system with force closed-loop control, offering constant stress control and load holding capabilities. It is suitable for compressive strength tests of cement, concrete, and rock. The machine is characterized by its stable and reliable operation, high environmental adaptability, and high resolution and precision.
3 YAW-300C Microcomputer-Controlled Hydraulic Bending and Compression Tester
The machine's control system utilizes high-precision digital servo valves with force closed-loop control capabilities. It can achieve equal load rate loading or equal stress rate loading, offering high control accuracy and reliability. It fully complies with the requirements of GB/T 17671 "Cement Sand Strength Testing Method (ISO Method)." The system employs microcomputers for electronic measurements, automatically completes compressive strength tests, calculates, and prints reports. It is widely used in the construction industry and cement production enterprises.
4 YAW-E Series Microcomputer-Controlled Electronic Flexure and Compression Testing Machine
The testing machine is primarily used for flexural and compressive strength tests of materials, consisting of three main units: a servo electric main unit, a controller, and a computer control system. It fully meets the requirements for uniform loading rate and uniform displacement rate during testing, effectively solving the closed-loop control method for specimen loading. With the necessary fixtures, it can also be used for uniform loading flexural and compressive strength tests on materials such as bricks, carbon, and stone.
5 JYAW Series Manhole Cover Press
The testing machine employs a microcomputer-controlled high-precision electro-hydraulic servo valve to drive a precision bidirectional hydraulic cylinder. It performs automatic control of various modes for test force and displacement deformation, completing testing and detection of various materials and specifications of manhole covers, grates, and water grate covers.
GYB-2000 Pipe Bending Test Machine
This machine is specifically designed for the compression strength test of flattened steel pipes. It fully complies with the standard "GB/T246 Metal Material Flattening Test Method." Equipped with dedicated software and high-precision electro-hydraulic servo valves, it drives precise hydraulic cylinders to automatically control the test force and displacement deformation in various modes, completing compression tests and inspections on samples of various materials and specifications.
7 LGYJ Series Microcomputer-Controlled Electro-Hydraulic Servo Press Shear Test Machine
This machine features a submounted hydraulic cylinder and a four-column structure, offering high rigidity and strength with minimal deformation. It meets the testing requirements for highway, railway bridge plates, bowl-shaped, and spherical supports. The test space is infinitely adjustable for different height testing needs. It employs a multi-channel closed-loop coordinated electro-hydraulic servo control system independently developed by our company, featuring microcomputer control of multi-level hydraulic loading, smooth continuous loading, multi-level force retention, automatic loading hold, automatic data collection and storage, curve plotting, automatic report printing, real-time computer control of the test process, display of test forces and curves, and simple and reliable operation.
8 YAW-6A Autoclaved Aerated Concrete Panel Structural Performance Test Bench
The testing bench is primarily used for the structural performance testing of autoclaved aerated concrete panels used in civil and industrial buildings. It employs the concentrated force quarter-point loading test method to ensure that the panels meet the requirements of Appendix B of GB/T15762 "Autoclaved Aerated Concrete Panels." The system utilizes a full digital servo control based on a neuron adaptive PID algorithm, featuring a three-loop control system (force, deformation, displacement) to achieve full digital three-loop control of force, deformation, and displacement. It is also equipped with dedicated measurement and control software for the statistical analysis and processing of test data, as well as automatic data handling and storage.
9 YAW-300S Automatic Duct Pressure Tester
This testing machine is primarily used for compressive strength tests of flue gas products, in accordance with the standard JG/T194.
10 CMT Series Paper Box Press Machines
The compressive strength tests and stacking strength tests for various corrugated cardboard boxes meet the performance parameters and technical specifications stipulated by ISO2872 "Packaging – Complete, filled transport packages – Pressure tests", ISO2874 "Packaging – Complete, filled transport packages – Stacking tests using a pressure tester", and GB4857.4 "Basic tests for transport packages – Pressure test methods".
11 LGPY Series Sponge Foam Fatigue Compression Tester
Rebound Compression Test for Foamed Aggregate Materials, determining the residual deformation rate. This helps understand the material's dynamic fatigue characteristics. The number of tests, displayed force values, and impact frequency can be freely set. The machine operates simply and is easy to maintain. High reliability. Meets the requirements of QC/T850-2011, QJQ7001-2011, and ASTM3574 standards for foam fatigue performance testing.
LGYX Series Sponge Foam Compression Hardness Tester
Specialty foam testing, catering to tensile and compression tests for non-metallic materials, including measurement functions for foam sheet tensile strength, tear strength, and elongation. Additionally, testing capabilities and data processing for automotive and motorcycle seat features such as static deflection, indentation hardness index, indentation hardness characteristics, indentation hardness testing, damping and resilience, headrest hardness, and headrest indentation.
For specific inquiries, please call 15689523180 for details.
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