During the operation, the operator shall not scratch or cut the winding core with a knife or a hard object, nor shall he use too much force during the operation, otherwise it will be dangerous. If the operator needs to leave temporarily, he must turn off the power supply, and if anything happens during the operation of the machine, he should also turn off the power supply immediately and take measures. When the paper tube mechanical automatic edger is running, remember not to touch the running film roll or core with your hands, so as not to get your hands involved and endanger your personal safety. Before use, that is, before starting, ensure the correctness and stability of voltage and galvanometer hydraulic equivalence. Carefully check whether all electrical switches and protectors of the machine are normal, and do not operate until there is no abnormality. Next, the Textile Equipment Research Institute will share with you the matters needing attention in purchasing and using textile instruments. In order to ensure the accuracy and consistency of the measurement results of textile instruments and keep their values within a certain tolerance range, we must pay full attention to their good metrological performance and carry out necessary metrological verification when purchasing and using textile instruments.