The use of the extruder includes a series of links such as machine installation, adjustment, test machine, operation, maintenance and repair. Its use has the common characteristics of general machines, mainly in the drive motor and speed reduction device. However, the working system of the extruder is the extrusion system, but it has unique characteristics. Pay special attention to its characteristics when using the extruder.
Extrusion machine
1. Operators must be familiar with this regulation, pass the examination, and wear protective equipment before operating this equipment.
2. Production preparation:
1. Before starting the machine, the operator should check the lubrication, transmission, electrical control and other conditions of the unit of each part of the equipment, and find the problem to find the relevant personnel to solve it in time. All kinds of production tools should be complete, and the measuring tools should be checked accurately.
2.Select the mold according to the requirements of the product, and adjust the mold spacing.
3. To start the heating system 2-3 hours in advance, the temperature of each section should be adjusted according to the process regulations to prevent the temperature control from being too high or too high.
4. During the pre-production process, checked the high-quality semi-finished products, which should be free of oil, water, cables, used for cholera and other phenomena, checked the project record card, noticed the label of the operation, and there is an operation check to the previous Only one pass certificate can be produced.
5. The length of the product is ready for the corresponding production line, and check whether the cable reel has a threaded hole.
6. Prepare the traction rope, and observe again the oil pump pressure, air pressure, traction speed, down, turn on the ribbon cable, automatic paper feeding device, heating control system, the electrical switch of this part, and the flow of water to confirm that there is no problem. Car production behind.
Extrusion machine manufacturers
Three. Boot
1. Put the qualified plastic into the hopper, open the insert plate, and start the screw to continue running the glue. The operator should pay attention to the feeding situation, observe the screw pressure, and pay attention to whether there is any abnormal noise in the screw gear box, that is, the barrel. At this time, the operator should not Leave the machine to prevent problems.After the plastic is extruded from the outer die, observe the plasticization of the plastic.When the plastic is almost ready to be plasticized, start to adjust the mold to adjust the thickness of the plastic evenly to prevent the deviation of the plastic layer.
2. Take samples to check the thickness of the plastic according to the process regulations, and check the quality of the plastic after extrusion, such as pores, trachoma, surface plasticization, bumps and other impurities, the cross section should not be visible to the naked eye, everything is normal, and the production can meet the process After the requirements are stipulated, personnel should be actively organized to start, and the operation should be divided and closely cooperated when driving. The lead wire should be worn, the semi-finished product and the lead wire should be firmly connected to prevent it from being pulled. The joint should be tightly wrapped to prevent water from entering the cable core and excessive joints. The sink must be watched by a dedicated person. Record the label, track the data sheet, record the list of processes and so on.
3. In the normal production process, attention should be paid to the quality of the product, the mechanical operation of the equipment, the control of the heating system, the change of the screw and the traction speed, and the three things: frequently measure the outer diameter, frequently check the quality, and frequently Observe the equipment.
