Wire cutting machine flushing wire with high pressure water pump repair

An AGIE CUT AC150F HSS low-speed wire cutting machine flushing with high-pressure pump M2, vibration noise when working, water pressure is small and unstable, automatic threading work is not normal. Respectively split spray nozzle, filter, the noise becomes smaller; plug the nozzle, replace the filter are invalid. Preliminary analysis, suspected pump blades and motor and pump body coupling and other problems.

Due to the machine's high-pressure pump instead of using domestic pumps, poor results, short life expectancy. Now many AGIE CUT users are direct purchase of imported high-pressure pump, but expensive, and the arrival cycle is longer. After analysis, we prepare to disassemble and repair.

Disassembly process and solution: â‘  Remove the high-pressure pump power cord and make a mark; â‘¡ Remove the attachment plate and filter; â‘¢ Remove the pump body and the motor connection nut, the motor and the pump body separation, the coupling No problem; â‘£ demolition of the pump body, the first use of pipe clamp rotation bronze connector (connector and the pump body for the threaded connection), unscrew the connector, you can directly remove a string of centrifugal pump blades, the middle of a bronze bracket , The upper and lower leaves of the 11, a total of 22. Clean with water and found that the blade shaft hole wear larger, can not be repaired, but can also be used. Copper bushings in the motor shaft sleeve wear the most serious, the motor shaft sleeve and cast bronze stent gap is about 1mm.

First of all, to solve the problem of large lateral swing, re-made a motor shaft sleeve (with copper support bore hole made), so that the motor shaft sleeve cast copper stent just to the inner wall, reducing the gap; then solve the problem of axial movement , With Hexagon motor shaft with Hexagon washer, thickness 0.6mm.

Assembly process: according to the demolition of the order, the well with the motor shaft sleeve cast bronze stent; and then turn the 22 centrifugal blades through the motor shaft are mounted on both ends of the cast bronze brackets, every other blade pad a hexagon Gaskets, can not pad too much, too much will make the shaft clearance; re-install the pump body, tighten the copper connection seat, the pump body assembly is completed; Finally, the pump body and motor assembly together, fitted with filter And attached plate, high-pressure pump on the success of the renovation.

After the repair of high-pressure water pump to achieve the effect of flushing wire requirements, basically no noise. AGIE CUT users, high-pressure wire pump wear a similar failure may wish to give it a try.
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