Computerized Universal Material Testing Machine Stretch Tearing Fabric Analysis Computer-Controlled Tester

• Customization: Available
• After-sales Service: Support Operation Guidance
• Power Supply: 220V
• Model NO.: Universal
• Certification: CE
• Warranty: 1 Year
• City: Dongguan, Guangdong
• Uses: Computerized Universal Material Testing
• Purpose: Computer-Controlled Stretch Tearing Tester
• Accuracy Level: Class a
• Transport Package: Wooden Box
• Specification: Universal
• Trademark: MENTEK
• Origin: China
• HS Code: 9024800000
• Production Capacity: 1000PCS/1year

Product Description

Computerized Universal Material Testing Machine Stretch Tearing Fabric Analysis Computer-controlled Tester

Product Description

Meet the standards:
GB/T528,GB/T529,GB/T532,0B/T2710,QB/T2711GB/T4689.20.0B/T2886.GB/T3903.8.GB/T3903.9.GB/T3903.12,GB/T3903.14,GB/T3903.20,GB/T3903.21,GB/T3903.22,GB/T3903.23.GB/T3903.24.GB/T 3903.25GB/T 3903.26,GB/T 3903.28,GB/T 3903.29,GB/T3903.32

This model is widely applicable to various materials such as rubber and plastic, shoes, leather, clothing, textiles, insulators, terminals, etc. It is used for testing their tensile strength, tearing, peeling, bending and other material research and development, inspection and testing, with complete functions and wide applications.

Software features:
1. Software environment: software packages in both Chinese and English on the Windows 7 platform.

2. Language selection: It has multiple language interfaces such as Simplified Chinese, Traditional Chinese, English, etc., which can be freely switched during operation, greatly facilitating the use of the operator.

3. Unit conversion: Commonly used forces and displacements, energy both possess and can be freely converted.

4. Basic functions: Can calculate and list data graphics: Basic parameters of material testing machine:
1) Drop point
2) 0.2% offset
3) Drop strength
4) Tensile strength
5) Elongation rate
6) Energy absorption
7) Maximum value
8) Fracture value
9) Deformation
10) Average value
11) Comparison graphics and other 20 model parameters.

5. Multiple curve display modes: stress-strain, force displacement, force time, strength time, and other curve modes.

6. Utilize data: Use database management to test and standardize, allowing authors to use pre built data or build their own.

7. Test mode: including settings for tensile, bending, compression, bending, adhesion, tearing, peeling, elongation, and elongation.

8. Control modes: positioning displacement, constant speed, constant strain rate, constant load, constant load rate, constant stress rate, stress rate.

9. Convenient and practical zeroing function: Force, extension, and displacement can be manually zeroed by pressing one key, and the system also has an automatic zeroing function at the beginning of the test.

10. Dynamic display: During the testing process, the load, elongation, displacement, and selected test curve are dynamically displayed in real-time on the main control screen as the test progresses.

11. Peak holding: Throughout the entire testing process, the maximum value of the test item is always displayed on the screen window following the progress of the experiment.

12. Manual point picking function: It has a special manual point picking function during the testing process.

13. Automatic discrimination: After the sample is damaged, the system automatically recognizes and switches to the next function according to the expected testing requirements.

14. Automatic storage: Test conditions, test results, and gauge positions are automatically stored.

15. Automatic regression: It has the function of automatically returning the intermediate board to the starting point of the test after the test is completed.

16. Graphic analysis: After the experiment is completed, the data can be viewed with a mouse on the test curve. Any point on the test curve can be zoomed in locally for analysis, and printing can be selected.

17. Curve comparison: The curves of the same group of samples can be overlaid for comparison.

18. Report output: The graphics and parameters are open for customers to modify as needed, and different report formats can be output, which is convenient, easy to learn, and practical.

19. Range extension function: It can be equipped with sensors, extensometers, and fixtures of different capacity specifications to expand the measurement range and achieve more accurate test accuracy.

Main Parameters

Load element	0.5 level high-precision force sensor
Capacity selection	2kg, 5kg, 10kg, 20kg, 50kg, 100kg, 200kg, 500kg (choose)
Accuracy level	Level 1
Scope of experimental force testing	0.4%~100%FS
Strength accuracy	Within plus or minus 1%
Power decomposition degree	1/200000
Power amplification factor	X1, X2, X5, X10, X20, X50, X100, and other seven gears are automatically shifted throughout the entire process
Displacement indication error	Positive or negative 1% of the displayed value

Displacement resolution	0.005min
Deformation measurement range	2%~100%FS
Limit of deformation indication error	Within 0.5% of the displayed value
Large deformation measurement range	(10~1000)mm
Maximum error limit of large deformation indication	Positive or negative 1% of the displayed value
Large deformation resolution	0.008mm
Control system	Frequency converter
Transmission mode	AC variable frequency motor

Motor function	1.5kW
Deceleration device	Italy Otes Precision Hollow Cast Aluminum Reducer
Transmission plate	Forged from high carbon steel, with good mechanical strength and no deformation
Transmission screw	Adopting Taiwan's dual structure precision rolling ball screw
Guiding rod	Made from two 50 Korean Taijing guide rods, the surface is treated with high-frequency and hard chrome electroplating, with HRC60 or higher
Active bearings	Adopting Japanese NSK high carbon ball bearings
Drive system	Japanese high-strength synchronous belt
Body structure	Adopting a separate design of main frame and control box

Test speed range	Choose from (25~100) mm/min, (50~200) mm/min, (100~500) mm/min
Speed accuracy	Within 1% of the displayed value
Test itinerary (excluding fixtures)	1000mm
Effective pillar spacing	410mm
Fixture processing	All fixtures are treated with hard chrome plating, with HRC55 or higher
Dust prevention device	Adopting Taiwan anti stacking dust cover to protect the ball screw from dust entering, ensuring the service life and accuracy of the ball screw
Surface treatment of the body	Using DuPont powder from the United States and electrostatic spray painting process, it is cured at a high temperature of 200ºC to ensure long-lasting color retention
Display system	MTK-V independently developed material testing machine specialized software based on XP leveling

Data transmission	Adopting 16 bit data transmission RS-232 data transmission, all parameters are saved on the peripheral hardware. Computers do not require the installation of any external hardware, making it extremely convenient for users to replace, upgrade, and maintain their computers themselves
Multiple protection devices	1. The mechanical switch protects the upper and lower limits of travel. 2. Emergency stop switch brake protection in case of emergency. 3. Overcurrent, overvoltage, undercurrent, undervoltage, leakage overload protection. 4. Software overload limit protection. 5. Breakpoint shutdown protection.
Volume	(560*420*1800)mm
Power supply	AC220V 50Hz
Weight	About 260kg

Masterful Craftsmanship

Structural Process
1. Company's Hardware Equipment:
1 imported German laser machine; 1 Amada AIRS - 255NT punching machine from Japan; more than 10 German carbon dioxide welding machines and argon arc welding machines. We use Autodesk Inventor 3D drawing software for 3D sheet metal disassembly drawing and virtual assembly design.

2. The outer shell is made of high - quality galvanized steel plates and finished with electrostatic powder spraying and baking paint.

3. The inner chamber is made of imported SUS#304 stainless steel and adopts the argon arc full - penetration welding process to prevent the leakage and penetration of high - temperature and high - humidity air inside the chamber. The rounded - corner design of the inner chamber liner can better drain the condensate water on the side walls. 

Refrigeration System Technology
1. 3D Refrigeration System Management Drawing.

2. Frequency Conversion Control Technology of the Refrigeration System: In the frequency conversion refrigeration system, even if the power supply frequency of 50Hz is fixed, the frequency can be changed through the frequency converter, thereby adjusting the rotational speed of the compressor, and making the cooling capacity change continuously. This ensures that the operating load of the compressor matches the actual load inside the test chamber (that is, when the temperature inside the test body rises, the frequency of the compressor increases to enhance the cooling capacity; conversely, when the temperature drops, the frequency of the compressor decreases to reduce the cooling capacity). This greatly saves unnecessary losses during operation and achieves the goal of energy conservation. At the beginning of the operation of the test chamber, the frequency of the compressor can also be increased to enhance the capacity of the refrigeration system and achieve the purpose of rapid cooling. The test chamber adopts a frequency conversion refrigeration system, which can accurately control the temperature inside the chamber, keep the temperature inside the chamber constant with small temperature fluctuations. At the same time, it can also ensure the stable suction and discharge pressures of the refrigeration system, making the operation of the compressor more stable and reliable. Electronic Expansion Flow Servo. 

Refrigeration system technology and other energy-saving technologies
1. VRF technology based on the principle of PID + PWM (the electronic expansion valve controls the refrigerant flow according to the thermal energy working conditions) is adopted. The VRF technology based on the principle of PID + PWM (refrigerant flow control) enables energy-saving operation at low temperatures (the electronic expansion valve controls the refrigerant flow servo according to the thermal energy working conditions). In the low-temperature working state, the heater does not participate in the operation. By adjusting the refrigerant flow and direction through PID + PWM, and regulating the three-way flow of the refrigeration pipeline, the cold bypass pipeline, and the hot bypass pipeline, the temperature of the working chamber can be automatically kept constant. In this way, under low-temperature working conditions, the temperature of the working chamber can be automatically stabilized, and the energy consumption can be reduced by 30%. This technology is based on the ETS system electronic expansion valve of the Danish company Dan-foss and can be applied to adjust the refrigeration capacity according to different requirements for refrigeration capacity. That is, it can realize the adjustment of the refrigeration capacity of the compressor when different cooling rate requirements are met.

2. The technology of grouped design of two sets of compressors (large and small) can automatically start and stop according to the load working conditions (large series design). The refrigeration unit is configured with a binary cascade refrigeration system composed of a set of semi-hermetic compressors and a set of fully hermetic single-stage refrigeration systems. The purpose of the configuration is to intelligently start different compressor units according to the load working conditions inside the chamber and the requirements for the cooling rate, so as to achieve the best matching between the refrigeration capacity working conditions inside the chamber and the output power of the compressor. In this way, the compressor can operate in the best working condition range, which can extend the service life of the compressor. More importantly, compared with the traditional design of a single large set, the energy-saving effect is very obvious, and it can reach more than 30% (cooperating with the VRF technology during short-time constant temperature control).

Refrigeration circuit technology

The electrical components shall be installed according to the power distribution assembly drawings issued by the Technology Department during the power distribution layout operation.

Internationally renowned brands shall be selected: Omron, Sch-neider, and German Phoenix terminal blocks.

The wire codes shall be clearly marked. A time-honored domestic brand (Pearl River Cable) shall be selected to ensure the quality of the wires. For the control circuit, the minimum size of the selected wire is 0.75 square millimeter RV soft copper wire. For all main loads such as the motor compressor, the wire diameter shall be selected in accordance with the safety current standard for wiring in the EC wire trough.
The cable openings of the compressor terminal box shall be treated with sealant to prevent the terminals in the terminal box from short-circuiting due to frosting.

All the fixing screws of the terminals shall be tightened with the standard fixing torque to ensure reliable fastening and prevent potential hazards such as loosening and arcing. 

Refrigeration series process
1. Standardization

1.1 Standardization of the piping process and welding of high-quality steel pipes; The piping layout shall be carried out in accordance with the standards to ensure the stable and reliable operation of the machine model system.

1.2 The steel pipes are bent in one piece by an imported Italian pipe bender, which greatly reduces the number of welding points and the internal pipe oxides generated during welding, and improves the reliability of the system!

2. Pipe Shock Absorption and Support

2.1 MENTEK has strict requirements for the shock absorption and support of the refrigeration copper pipes. Taking full account of the shock absorption situation of the pipes, circular arc bends are added to the refrigeration pipes, and special nylon fixing clamps are used for installation. This avoids the pipe deformation and leakage caused by circular vibration and temperature changes, and improves the reliability of the entire refrigeration system.

2.2 Oxidation-free Welding Process As is well known, the cleanliness inside the pipes of the refrigeration system is directly related to the efficiency and service life of the refrigeration system. MENTEK adopts standardized gas-filled welding operation to avoid a large amount of oxide contamination generated inside the pipes during welding.

 

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