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The difference between pneumatic riveting machine and hydraulic riveting machine

2019-10-21

    The working principle of the pneumatic riveting machine and the hydraulic riveting machine is basically the same. The pressure gas (or oil) is forcibly driven into the pipeline by the air pump or the oil pump to force the actuator to operate. The difference is that the medium used is different: one is air and the other is hydraulic oil. However, because of the different media, the work performance is different when working. The main points are as follows: 1. Pneumatic environmental protection and cleaning, while hydraulics are mostly oily. 2, work, pneumatic action is fast, fast response, but the vibration is also large; and the hydraulic action is slow, but the work is stable. 3. Hydraulics can produce large tonnage equipment, and pneumatics are limited in this regard. 4. In terms of construction and maintenance, hydraulic pressure is more complicated than pneumatics. Of course, the manufacturing cost is also higher. 5. In terms of speed regulation, hydraulic pressure is easier to achieve than pneumatics.

    

    Pneumatic press riveting machine inlet air pressure and set pressure riveting force matching problem

    

    The pneumatic riveting machine is driven by compressed air, and the inlet air pressure of the riveting machine is proportional to its output pressure. Therefore, when users want to have a stable output pressure when using a pneumatic riveting machine, it is necessary to pay attention to the matching of the intake air pressure and the output pressure. When the riveting machine returns automatically after the riveting work is completed, the intelligent pressure controller will display the current output pressure. When this value is greater than the intelligent pressure controller setting value of 15, please lower the intake air pressure. When this number is less than the pressure value set by the intelligent pressure controller, the machine will not return automatically. Please increase the air pressure. Repeat the comparison several times to have a matching output force.

    

    Hydraulic riveting machine performance

    

      Efficient and energy-saving: Since only a short period of time to rivet into the workpiece is made to "deep gas", and usually only by pneumatic pressure, the energy consumption is extremely economical, compared with full hydraulic or full cylinder The energy-saving effect is up to 90%. The operation is simple: since the intelligent control is realized, it is not necessary to adjust the mold during the riveting process, and the digital control mode allows you to control the output force with just a few buttons. The surface is flat: because the pressure is not the stroke, the surface of the workpiece is quite flat. For products with high surface requirements, it can be free from grinding and scraping, and it will not stay on soft substrates such as aluminum. The indentation of the lower mold. Soft in place: In the idle stroke, the upper die is driven by compressed air and contacts the workpiece quickly. In this process, the running force of the upper die is very small, so there is no impact and no noise on the lower die, and it is easy to achieve "soft in place".

    

      Intelligent force: With the help of the digital control system, the final force is simply set and then automatically controlled. Therefore, the thickness of the workpiece sheet is hard and soft, the rivet head is regular, and the spacing between the upper and lower molds is not reasonable. Consider that you only need to set the tonnage of the output force within a certain range, and then the rivet is automatically and accurately pressed until it is flush with the workpiece.

    

    Taicang rivet-free special plane daily maintenance

    

     1. Do not machine workpieces beyond the nominal capacity. 2. Do not work for a long time under high pressure. 3. The protruding length of the rivet head should not exceed the specified value. 4. In case of abnormality, immediately stop the vehicle for maintenance and repair, and directly eliminate the fault. 5. The guide rail of the equipment should be applied with butter once a month to make it lubricate and rust-proof. 6. The mounting and dismounting of the rivet head should be slow, especially when removing the rivet head. Do not use brute force to pull out. Rotate the rivet head and pull it out slowly. If the rivet seat of the rivet is pulled out of the normal position, there will be a significant deviation in the position of the rivet after the rivet is installed. At this time, the red safety cover should be removed, and the rivet can be used only after it is installed, otherwise the machine is easily damaged. . 7. In use, the rivet head will have a slight bonding phenomenon when processing certain materials. In order to ensure the quality of the riveting, the rivet head should be cleaned regularly to prevent the metal bond from thickening. The rivet head is fixed to the chuck of the lathe during cleaning and then polished with sandpaper.

    

     8. The equipment should be routinely maintained every two weeks. The main maintenance items are as follows. If problems are found, they should be dealt with in a timely manner.

    

    Taicang no rivet connection plane

    

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