1. Identifying the Start and End of Motor Windings Using a Multimeter When the six terminals of a three-phase asynchronous motor are lost, unclear, or rewound, it is necessary to determine which two terminals belong to the same phase, which is the start of the coil, and which is the end. Below are several methods … Read more
How to use a multimeter to check if the water pump motor coil is burned out? To determine the quality of the motor, three conditions must be measured: the absence of open circuits and short circuits between the coil windings, and the insulation resistance. First, check whether the motor is a three-phase motor or a … Read more
New friends click on the blue text “Mechanical Industry Press E Vision” to follow 1. Identifying the Start and End of Motor Windings with a Multimeter When the six output terminals of a three-phase asynchronous motor are lost or unclear, or when the windings are rewound, it is necessary to determine which two output terminals … Read more
Search on WeChat Technical Training 1. Correct Usage of Multimeter To use a multimeter correctly, familiarize yourself with the dial. Adjust the two zero position knobs gently. Choose the correct terminals, and insert the red and black probes into the appropriate holes. Rotate the switch to the correct gear, and ensure the range is selected … Read more
An oscilloscope is an indispensable instrument in modern electrical repair. With it, technicians can quickly and accurately locate common faults, making the proper and skilled use of an oscilloscope a required skill for electrical repair personnel. Although there are various models, specifications, and types of oscilloscopes, their basic structure and function are quite similar. This … Read more
Please follow the WeChat official account and Toutiao account “Finger Motorcycle” to read the latest motorcycle maintenance and repair news in real-time. Please search for ID mscmoto directly in WeChat to follow! The oscilloscope is a device widely used in electronics, electrical engineering, appliance repair, and specialized teaching in schools. With the advancement of technology … Read more
(Warm reminder: The article is quite long, totaling 3300 words; it is recommended to bookmark it for later reading.) During automobile maintenance, oscilloscopes are extremely useful, especially when performing non-disassembly diagnostics, troubleshooting analysis, and bus diagnostics, making them indispensable. When combined with other diagnostic tools (such as diagnostic computers, test lamps, multimeters, etc.), they can … Read more
Tip:Click the above “Nenjiang Information Platform“↑Follow us In daily life, especially when expanding the memory capacity of our phones, we often use SD cards. Many applications and photos on our phones default to being stored on the SD card. Over time, frequent read and write operations can easily lead to SD card damage, making it … Read more
By Xiao Cheng As an engineering student, it’s essential to have some basic scientific knowledge! Today, I will share a simple method to fix an SD card, avoiding formatting it and losing your phone data. Steps Connect your phone to your computer via a data cable. Then, in “Computer” (or “My Computer” on XP systems), … Read more
Many users often encounter the issue of their phone displaying the message “SD card is damaged, you may need to format it” after prolonged use, rendering the SD card unusable. Recently, a friend faced this issue with their phone, and after researching the cause and finding some information online, they managed to resolve the damaged … Read more