The components of the friction and wear testing machine and the precautions during operation
The components of the friction and wear testing machine and the precautions during operation
Friction and wear tester is used to test the wear resistance of various metal materials and non-metallic materials (nylon, plastic, etc.) under various conditions such as sliding friction, rolling friction, rolling and sliding composite friction and intermittent contact friction. It is used to evaluate the friction mechanism of materials and determine the friction coefficient of materials. It can also simulate the friction and wear test of various materials under different working conditions such as dry friction, wet friction and abrasive wear. So, how much do you know about the components of the friction and wear testing machine and the precautions in the operation of the equipment? One, the components of the friction and wear testing machine 1. The drive system spindle and its drive system are composed of a series of hardware products, such as Motors provide horsepower, gears drive equipment, and so on. The system is similar to the prelude before the system is started. With the assistance of the drive system, the equipment can be started normally. 2, friction and wear testing machine force system force system can apply a certain force value to the testing machine through manual mode and stepper motor closed-loop control mode, and control the components through buttons of different colors on the equipment. 3, friction pair The friction pair directly determines the purpose of this equipment. It is usually composed of a series of metal parts. Many testing machines are named according to the function of the friction pair, such as pin disc, reciprocating, etc. 4. Data acquisition system of friction and wear testing machine (1) The photoelectric encoder transmits the measured speed signal to the spindle speed measurement control system and the spindle speed measurement display system respectively; (2) The pressure sensor is converted into an electrical signal and transmitted to the test force measurement The system carries out the digital display of the test force; (3) The friction force measurement sensor transmits the measured signal to the friction force measurement display system of the friction and wear tester for digital display and automatic recording. 5. Microcomputer control system of friction and wear testing machine The microcomputer control system mainly implements a series of commands for the above four parts to control the equipment, display data, save data, and print. 2. Matters needing attention in the operation of friction and wear testing machine 1. Adjust parameters: check the displayed value of friction and test force, use it carefully, with password protection 2. Adjust the zero point: adjust the hardware zero point (it has been set before leaving the factory, and the user does not need it Modification) 3. Calibration friction force: used to calibrate the friction force (it has been set before leaving the factory, the user does not need to change it) 4. After the change, garbled characters will appear after the change, and the measurement data will be inaccurate. 5. When a lot of data is added, and the system is in a state of crash, do not perform any operations on the computer. 6. The test personnel should not be too far away from the test equipment during the test or directly perform operations other than the test. Sometimes the test force is unloaded to the limit When the position is not stopped actively and the unloading continues, it must be stopped manually by emergency stop. 7. Do not connect the plug of the heating device to the socket when the friction and wear tester is doing the room temperature test. The above is the relevant introduction about the components of the friction and wear testing machine and the precautions in the operation of the equipment. I hope it will be helpful to everyone. The majority of users can choose according to their own conditions in the selection process, and only after they have a certain understanding of it, can users choose more suitable products and equipment. If you have any other questions, please contact us.
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