Tunnel support small pipe punching machine, precise and fully automatic small pipe forming machine for use

Description :

　　Tunnel support small pipe punching machine, precise and fully automatic small pipe forming machine for use

　　Punching machines have been widely used in tunnel construction. The punching machine can set 200 holes on one pipe, and the machine is matched with a servo motor. The hole spacing error is within ± 0.3mm, and the punching speed is fast, which greatly improves the manual cutting speed compared to before. The circular holes are also relatively neat and beautiful.

　　Use and maintenance of small pipe punching machine

　　1. The working fluid should be replaced once a year, and the replacement time should not exceed three months

　　2. The slider should be regularly lubricated, and the exposed surface of the column should be kept clean. Before each operation, oil should be sprayed first.

　　3. If the machine is not used for a long time, the surface should be cleaned and coated with anti rust oil.

　　4. The pressure gauge should be calibrated and checked every six months.

　　6. Regularly check whether the transmission, connection, lubrication, and protective devices of the small pipe punching machine are normal. The screws used to install the mold must be firm and not moved.

　　7. At the end of the operation of the small pipe punching machine, cut off the power supply of the small pipe punching machine, wipe the machine tool, and organize the environment. The tunnel support small pipe punching machine is used in the Jingheng fully automatic small pipe forming machine.

　　The small conduit bears the pressure of the formation during excavation. To ensure the quality of grouting and prevent leakage, a sealing hole needs to be set at the tail of the small conduit. The grouting construction should choose the grouting method according to the soil conditions, and the infiltration grouting method should be adopted in sandy gravel formations; It is advisable to use infiltration grouting method in sand layers; Splitting or electric silicification grouting method should be used in clay layers; It is advisable to use high-pressure grouting method in the soft soil layer of silt. The grouting material should have good injectability, and after consolidation, it should have a certain strength, impermeability, durability, and small shrinkage. The grout should be used, and the grouting process should be simple and convenient. The selection and proportioning of grouting materials should be determined through experiments based on engineering conditions. The grouting construction period should monitor whether the groundwater is contaminated, and prevent the grouting slurry from overflowing the ground or exceeding the grouting range. The tunnel support small pipe punching machine and the precision automatic small pipe forming machine should be used.

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• Tunnel support small pipe punching machine