The automatic loading and welding of the small mixer door are actually adhered to the sealing strip, which is also an operation to ensure sealing. Otherwise, these gaps can easily be filled with sand particles from the outside, causing corrosion, etc. Check the seal of the small mixer for large cracks. Today, I would like to share with you the daily maintenance of the sealing strip.
1. Check whether the seal of the automatic loading mixer truck has large cracks. If the seal is broken, it can be corrected using adhesive. In particular, using adhesive on seals can easily fill large crack areas. Of course, if the seal is severely damaged or aging is significant, please replace it with a new seal.
After the driver cleans the door and window sealing strips with concrete mixed detergent, a layer of penetration protection agent should be applied to avoid aging of the sealing strips and significantly improve the sealing effect of the sealing strips. In addition, the gap between the sealing strips is easily filled with dust and rust. To do this, you need to use a brush to remove dust.
When replacing the entire fuselage, it is necessary to apply a layer of sealant to the stacked portion of the welded portion. The thickness of the adhesive layer is approximately 1 mm, and the adhesive layer must be free of improper adhesion, bubbles, and other defects. The entire underside of the floor and the underside of the front wheel cover should be coated with a 3mm to 4mm elastic coating and anti-corrosion coating. These measures not only significantly improve the sealing function of the vehicle body, slow down the corrosion rate of the vehicle body, but also greatly improve ride comfort.
Sealing the door and vehicle body is a relatively difficult part. Sealing requirements are relatively strict. The parts to be sealed are relatively long, the cross-sectional shapes of the parts to be sealed are different, and the doors are often turned over and closed. Install the three-way and four-way sealing gasket on the concrete mixer truck, and install the four-way sealing structure of the front pillar and top beam side beam. This type of multi-channel seal is generally placed in the gap between the front doors. In addition to its sealing function, it also has the effect of reducing vehicle noise.
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