The support bearing is used for supporting and fixing the guide rod to ensure the coaxial precision of the guide rod and the cylinder body. The outer diameter and precision requirements are the same as those of the sliding bearing of the rotor, and are fixed on the bearing seats at both ends of the cylinder block through the fixing bracket. The fixing bracket is used to fix the supporting bearing on the cylinder body, and the position of the bolt hole is determined according to the position of the bolt hole on the cylinder block. When the above parts are machined, it is necessary to formulate a reasonable processing technology and strictly control the tolerances. After the machining is completed and installed on the cylinder block, ensure that the sliding bearing has a higher cylindrical length on the entire length of the guide rod. Coaxiality. Thermal spraying of the cylindrical surface of the cylinder to ensure the quality of the spraying, firstly remove the impurities on the surface of the cylinder (especially in the pit), then install the auxiliary equipment on the cylinder, and place the spray gun on the sliding bearing. Once it has been fixed and commissioned, it can be sprayed.
The spray material (filament) used is the same or closest to the material of the cylinder. Spraying starts from one side of the cylinder and performs circumferential strip spraying in the circumferential direction. After the circumferential direction is sprayed, the sliding bearing is fed a certain distance along the axial direction, and takes this as a starting point for the next annular zone. Spraying (when the sliding bearing is rotated in the opposite direction to the previous step), this is continued until the sliding bearing moves axially to the end. At this time, the remaining part can be completely sprayed in the same way by adjusting the orientation of the spray gun. Spray one or several times depending on the thickness of the spray you need. The other side of the bottom plate is provided with bolt holes for fixing the weights so that the sides of the bottom plate are substantially balanced for ease of operation and easy control.
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