Operation process and key points of aluminum profile extrusion press machine plant line


The application of aluminum profile extrusion press machine plant line includes a series of stages, such as equipment, adjustment, trial operation, actual operation, maintenance and maintenance. Although it seems very complex, in fact, it only needs to follow the actual operation of the instructions. However, as actual operators, they must master the structural characteristics of their actual aluminum profile extrusion press machine plant line, properly master the kneading technical standards and properly operate the equipment. There are many kinds of aluminum extrusion machines. Although the importance of practical operation is different, there are similarities. We will actually introduce the operation process and importance of aluminum profile extrusion press machine plant line.

1. Used for kneading plastic. Raw materials shall meet the required boring requirements, and further boring is required if necessary. Remove agglomerated particles and mechanical equipment residues by sieving the material powder.

Check whether the raw water, electricity and gas management systems of mechanical equipment are normal, ensure that the water and gas supply are transmitted without leakage, whether the household appliance management system is normal, whether the heating management system, temperature control and various surfaces work firmly; The low-speed test run of boiler auxiliary air switch shall be conducted to investigate whether the mechanical equipment works normally; Start the mechanical pump of the setting table and investigate whether everything is normal; Lubricate the oil in the smooth position of various mechanical equipment. If common faults are found, clear them immediately.Computer mounting head and setting sleeve. Select the engine standard according to the product type and specification. Install the engine in the following order.

Second, drive.

1. Start up after temperature control. Before start-up, tighten the anchor bolts of the flange plate of the engine and kneader again to eliminate the difference between the anchor bolts and the thermal deformation of the engine. The sequence of tightening the engine anchor bolts is to tighten them at the top angle with even force. When tightening the engine flange nut, it is required to tighten it around, otherwise it will run off.

2. When driving, select to press the prepared driving button, then press the button, and then slowly turn the extruder screw speed ratio adjustment knob, and the extruder screw speed ratio starts slowly. Then it gradually accelerates, and very few materials are fed together. During feeding, pay close attention to the marking changes of server ammeter and various marking headers. And fill up the material as required. The single screw kneading machine adopts the metrological verification feeder to feed the material evenly and evenly.

3.When the feeding of the die mouth is uniform and the plasticity is excellent, the traction belt can be used to set the sleeve. The distinction of melting level needs to be passed. Generally, it can be distinguished according to the appearance of kneading raw materials, that is, the surface has gloss, no impurities, no polyurethane foam, coke material and fading, squeezing the kneading material to the inevitable level by hand, no burrs, cracks, and inevitable ductility. This indicates that the material melts well. If the melting is poor, the speed ratio of extruder screw and the temperature of barrel and engine can be adjusted appropriately until the requirements are met.

4. In the whole process of kneading production, timely query whether various performance parameters are normal according to the technical requirements, and fill in the technical description table. Query the product quality of aluminum profile according to the product quality inspection standard, and solve the problems immediately. Last page 3 of the first page, parking.

1. Interrupt the feeding, squeeze and knead the plastic of the machine body. When the extrusion screw is displayed, turn off the switching power supply of the barrel and the engine and interrupt the heating.

2. Turn off the switching power supply of aluminum profile extrusion press machine plant line and boiler auxiliary machine, and interrupt the work of extruder screw and boiler auxiliary machine.

3. Open the engine connecting flange and remove the engine. Comb the perforated structural plate and each component of the engine. During carding, in order to prevent damage to the inner surface of the engine, the residues in the engine shall be combed with steel law and steel plate, and then the plastic attached to the engine shall be ground off with sanding paper and coated with automobile oil or methyl silicone oil for antirust treatment.

4.Comb the extruder screw and barrel. After removing the engine, start the server, add parking materials (or crushed materials), and clean the extruder screw and barrel. At this time, the extruder screw adopts low speed (SR / min) to reduce damage. After the stop material is crushed and kneaded completely, the residual powder and particles can be blown out repeatedly from the feed inlet and outlet with air compression. Until there is no residue in the barrel and the screw speed ratio of the extruder is zero, interrupt the kneading machine and turn off the main switch power supply and the main cold water gate valve.

5. New safety items that should be paid attention to during kneading of aluminum profile extrusion press machine plant line include electricity, heat, turnover of mechanical equipment and loading and unloading of coarse parts. The kneading motor workshop must always be equipped with hoisting machinery and equipment to install and disassemble coarse parts such as engine and extruder screw to ensure safe production.


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