Peel test machine structure principle basic operation steps and configuration
The basic operation steps and configuration of the structure principle of Heng Aode New Stripping Tester
The peeling test is a mechanical property measurement and testing equipment for materials, which can be used for the detection of peeling and stretching of various adhesive materials and products, and the detection of annular initial tack. Various stress and strain curves can be displayed.
Characteristics
Main control system: It adopts high-speed DSP platform, and its high integration, powerful control, data processing capability and high reliability are unmatched by other test machines. High-precision 24Bit data acquisition system with high resolution and scalable to 8-channel AD acquisition. The system board adopts a 4-layer PCB unique anti-interference wiring method, which has strong anti-interference ability.
Load measurement: It adopts imported high-stability, high-precision strain-type imported load sensor and is equipped with a measurement controller. The load measurement range of the sensor is divided into 400,000 code words, ensuring that the measurement accuracy is better than ±0.3% of the indication value. Special requirements for simultaneous calibration of multiple sensors for a wide range of load measurements.
Displacement measurement: The displacement measurement of the movable beam adopts Japanese high-precision photoelectric encoder, which is controlled by AC servo high-speed system. The speed control mode is controlled by the calculator to control any setting, and the movable beam stroke is manually set. The accuracy is ±0.5% and the resolution is 0.001mm.
Transmission system: Panasonic AC servo controller is used to control Panasonic AC servo motor with high precision and high response frequency. It is connected with the imported arc toothed synchronous belt deceleration system. The system has high efficiency, low noise, stable transmission, high transmission precision, long working life and guaranteed speed accuracy within ±0.5%.
Main frame: The upper platform and the work surface are fixed by the column to form the frame structure. The ball screw driving fixture platform with high precision prestressing and no gap is moved up and down, the load is transmitted, the structure is reasonable, the rigidity and stability are good, under high speed loading. Smooth loading and long service life.
The fixture is used to realize the powerful test function of the machine. In addition to the basic configuration of stretching, compression, bending and other fixtures, it is also used for sheets, belts, wires, foils, strips, fibers, plates, rods, blocks, ropes, cloth, Jigs for testing such as stretching, compression, bending, shearing, peeling, tearing, etc. of various materials such as nets are interchangeable.
Folding and editing the structure principle of this paragraph
The machine adopts a horizontal structure, and the load chuck is driven by a high-precision gear reduction electronic speed regulating motor, and the loading performance is stable. The whole machine is composed of a drag motor, a main body casing, a microcomputer controller, a micro printer, etc., and the force measuring unit is composed of a high-precision force value sensor and a digital control system using a single chip microcomputer as a central processing unit.
Folding main technical parameters
Load range: 0~50N 0-100N 0-200N 0-500N
Accuracy: Level 1
Resolution: 0.01% Loading speed: 1-500mm/min
Sample width: ≤50mm
Stretching stroke: 600mm
Deformation measurement accuracy: within ±0.5% of the indicated value;
Test bench lifting device: fast/slow speed control, can be jogged;
Test bench safety device: electronic limit protection;
Test bench return: Manually return to the initial position of the test at the highest speed, and automatically return automatically after the test ends;
Overload protection: automatic protection when the maximum load is 10%;
Power: 4KW;
Host size: 960*650*2000mm;
Standard configuration: host + fixture 1 set + pressure roller 1 + experimental board 1 pair + sampling knife 1
Sample preparation for peel test
The ends of the sample in the width direction were removed by 50 m, and five longitudinal and transverse samples were uniformly cut in the width direction of the sample. Compound direction is longitudinal
to.
The composite layer and the substrate were peeled off 50 m in advance along the length of the sample, and the stripped portion was not damaged. If the sample is not easily peeled off,
The sample may be immersed in a suitable solvent at about 20 mm at one end, and the solvent is completely volatilized before the peel force test. If the composite layer passes
This treatment cannot be separated from the substrate, and the test cannot be carried out.
Precautions:
1. When you feel abnormal, please turn off the power immediately.
If you find that the machine is smoking, if there is fire, odor, abnormal sound, please turn off the machine immediately and unplug the power cord.
2. Never open the back cover
There is a very high voltage inside (host, meter), and if you open the back cover, you may get an electric shock. Non-professionals must not open the back cover.
3. Do not put any objects into the machine.
There are a large number of integrated circuits in the (host, instrument). The through hole of the meter is used for heat dissipation. If it is blocked, it may be damaged due to the heat of the meter being unable to be properly emitted. If metal objects are placed, the internal circuit of the machine may be damaged. And blocking with metal objects can also cause electric shock.
Structural principle
This machine adopts mechatronic design, which is mainly composed of load cell, microprocessor, load drive mechanism and computer. The main unit LCD large-screen liquid crystal display, high-precision seven-speed test speed. Each integrated component is connected by plug-in connection for easy maintenance. Both the modeling and painting have fully considered the principles of modern industrial design and ergonomics.
Basic steps
Power-on→Select test item→Set test parameters→Start test, Standby state→Clamp sample→Start test→Automatic return after test→Send test data→Display result and curve→Test result permanent storage→Output test result And curve
This paragraph configuration
Standard configuration: mainframe, universal fixture, computer, communication cable, professional software options: standard pressure roller, test plate, sampling knife, floating roller fixture, low speed unwinding device, non-standard fixture
equipment service
Basic inspection
1. Regularly check the screws on the jaws. If loose, find them in time;
2. The sliding surface of the inlaid steel plate and the lining plate and the dovetail groove surface of the lining plate should be kept clean, and a thin layer of MoS2 (molybdenum disulfide) grease is regularly applied;
3. Check the transmission condition of the sprocket regularly. If it is loose, please re-tension the tensioner.
Oil source maintenance
1. Regularly check whether there is any oil leakage at the main engine and the oil source. If oil leakage is found, replace the sealing ring or combination pad in time;
Second, according to the use of the machine and the life of the oil, regularly change the suction filter and filter, replace the hydraulic oil.
3. When not testing for a long time, pay attention to turning off the power of the host. If the machine is in standby mode, the transfer switch should be in the “loading†position, because if the transfer switch is in the “fast reverse†position, the electromagnetic reversing valve is always energized, which will affect the service life of the device.
Control system maintenance
1. Regularly check whether the connection line of the rear panel of the controller is in good contact. If it is loose, it should be tightened in time;
2. If there is a long time without the machine after the test, turn off the controller and the computer;
Third, the interfaces on the controller are one-to-one correspondence, and the wrong interface may cause damage to the device;
4. The interface on the plug-in controller must be powered off.
5. According to the use of the machine and the service life of the oil, regularly change the suction filter and filter element, replace the hydraulic oil, and regularly check whether there is oil leakage at the main engine and the oil source. If there is any oil leakage, replace the seal ring in time. Or a combination pad.
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