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A AGIE CUT AC150F HSS low-speed wire cutting machine uses a high-pressure water pump M2 for flushing and threading. It has high vibration noise, low water pressure and instability, and the automatic threading work is not normal. The water nozzles and filters were dismantled separately, and the noise became smaller; plugging the water nozzle and replacing the filter were all invalid. Preliminary analysis has doubts about problems with the pump blades and couplings between the motor and the pump body.
Because the high pressure water pump of this machine tool is replaced by domestic water pump, the effect is poor and the service life is short. Many AGIE CUT users now directly purchase imported high-pressure water pumps, but they are expensive and have a long arrival period. After analysis, we are ready to dismantle and repair ourselves.
Disassembly process and solutions: 1 Remove the high-pressure water pump power cord and make a mark; 2 remove the attached line plate and filter; 3 remove the pump body and the motor connection nut, so that the motor and the water pump body separation, coupling No problem; 4 remove the pump body, first use a pipe wrench to turn the cast copper connection seat (connecting seat and the pump body for threaded connection), after unscrewing the connection seat, you can directly remove a bunch of centrifugal pump blades, in which a cast copper bracket , Up and down 11 blades, a total of 22 pieces. After cleaning with water, it was found that the shaft bores of the blades were worn out and could not be repaired, but they could also be used. The wear of the motor bushing in the cast copper bracket is the most serious, and the gap between the motor bushing and the cast copper bracket is approximately 1 mm.
First, solve the problem of large lateral oscillations, and reconfigure a motor bushing (combined with the inner hole of the cast copper bracket) so that the motor bushing can be turned on the inner wall of the cast copper bracket to reduce the gap; and then solve the axial turbulence problem. , And hexagonal motor shaft with a hexagonal washer, thickness 0.6mm.
Assembly process: According to the sequence of disassembly, the prepared motor shaft is set inside the cast copper bracket; 22 centrifugal blades are then installed at the two ends of the cast copper bracket through the motor shaft, and a hexagon socket is placed on every other blade pad. Washers can not be overfilled, too much will cause no gaps between the shaft; then into the pump body, tighten the cast copper connection seat, pump body assembly is completed; Finally, the pump body and the motor are assembled together, install the filter With the line plate, the high pressure water pump was successfully installed.
After the repair, the effect of the high-pressure water pump reached the requirement of flushing the thread, basically no noise. Users of AGIE CUT may wish to try it when a similar fault occurs in the high pressure threading water pump.
Because the high pressure water pump of this machine tool is replaced by domestic water pump, the effect is poor and the service life is short. Many AGIE CUT users now directly purchase imported high-pressure water pumps, but they are expensive and have a long arrival period. After analysis, we are ready to dismantle and repair ourselves.
Disassembly process and solutions: 1 Remove the high-pressure water pump power cord and make a mark; 2 remove the attached line plate and filter; 3 remove the pump body and the motor connection nut, so that the motor and the water pump body separation, coupling No problem; 4 remove the pump body, first use a pipe wrench to turn the cast copper connection seat (connecting seat and the pump body for threaded connection), after unscrewing the connection seat, you can directly remove a bunch of centrifugal pump blades, in which a cast copper bracket , Up and down 11 blades, a total of 22 pieces. After cleaning with water, it was found that the shaft bores of the blades were worn out and could not be repaired, but they could also be used. The wear of the motor bushing in the cast copper bracket is the most serious, and the gap between the motor bushing and the cast copper bracket is approximately 1 mm.
First, solve the problem of large lateral oscillations, and reconfigure a motor bushing (combined with the inner hole of the cast copper bracket) so that the motor bushing can be turned on the inner wall of the cast copper bracket to reduce the gap; and then solve the axial turbulence problem. , And hexagonal motor shaft with a hexagonal washer, thickness 0.6mm.
Assembly process: According to the sequence of disassembly, the prepared motor shaft is set inside the cast copper bracket; 22 centrifugal blades are then installed at the two ends of the cast copper bracket through the motor shaft, and a hexagon socket is placed on every other blade pad. Washers can not be overfilled, too much will cause no gaps between the shaft; then into the pump body, tighten the cast copper connection seat, pump body assembly is completed; Finally, the pump body and the motor are assembled together, install the filter With the line plate, the high pressure water pump was successfully installed.
After the repair, the effect of the high-pressure water pump reached the requirement of flushing the thread, basically no noise. Users of AGIE CUT may wish to try it when a similar fault occurs in the high pressure threading water pump.
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