The blow molding machine is a crystallization of mechanical, electronic control, and hydraulic integration. It is complex in electricity, crossed by oil pressure pipelines, and has various controllers. Various fault phenomena are also strange and different. There are only thousands of parts in a large blow molding machine. If one of the parts fails, it will cause an abnormal phenomenon of the blow molding machine, as well as the connection of the wires, a little negligence will cause problems, plus Large-scale blow molding machines are bulky, and they are used in non-constant temperature blow molding workshops, and the impact of the environment can easily lead to failures. For this reason, the problem of difficult maintenance of imported blow molding machines is in front of us. How to quickly identify faults and hidden dangers and eliminate them in time? I think we should have a high sense of responsibility; secondly, we must work hard to master CNC hydraulic technology. After years of practice in maintaining blow molding machines, we believe that we should see more, ask more, remember more, think more, practice more, and gradually improve our technical level and maintenance. Ability to adapt to various complex situations, solve difficult problems, and repair the blow molding machine. 1. It is necessary to read more information on the electronic circuit of the blowing machine
, to understand the characteristics and functions of various blowing machines, the electronic circuit system and PC, PLC, PLC; to understand the electronic circuit system alarm blow molding machine and troubleshooting; to understand PC, The meaning of the parameter setting of the PLC blow molding machine; to understand the programming language learning of PC and PLC; to understand the action programming of the blow molding machine; because the internal circuit diagram of the blow molding machine controller is quite complicated, and the manufacturer does not provide it. Therefore, it is not necessary to clarify in detail. It is necessary to focus on understanding the function of each part, the function of each board, the whereabouts of the interface, the meaning of LED lights, etc. Now there are many models of blow molding machine controllers, which are updated quickly. Different manufacturers and different models are often very different. To understand their commonalities and personalities. 2. Look at the electrical diagram of the blowing machine and digest the electrical diagram of the blowing machine. For each electrical component, such as: contactor, relay, time relay, etc., as well as the input and output of PC and PLC, it should be noted on the electrical diagram. 3. Look at the hydraulic diagram of the blow molding machine, and deeply digest it for mechanical and hydraulic wire drawing machines to understand its function and event sequence. And mark them on the drawings one by one, such as which solenoid valve is actuated by the clamping mode? What are the corresponding PC and PLC outputs and inputs? It is stated on the diagram that the electrical to mechanical action is one step to the end, and at the same time, it is necessary to focus on understanding the parts that are closely related to machinery and electricity. Now the blow molding machine adopts electro-hydraulic proportional technology, and it is necessary to focus on understanding its function and function, especially To understand its adjustment method and adjustment data, the proportional valve current and the corresponding pump pressure in static and dynamic conditions, both electricity and mechanics, mechatronics, and a variety of skills, so that the ability to solve problems is great.
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