Please help me use two meters to quickly find the alignment and determine the motor’s weak pin within the specified time.
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For an unknown machine pump, the alignment must be completed within the specified time. In addition to the calculation method, is there any fastest method? How can we judge the motor's weak foot? It is all in the shortest time because there are time requirements.
Inspection of Motor Soft Feet This inspection is to ensure that there is no excessive pressure on the driver hold-down bolts; due to an uneven base or deformation. To inspect, remove all gaskets, clean surfaces, and tighten the drive down onto the base. Set the dial indicator, pay attention to the reading of the dial indicator as shown in the figure, and loosen the compression bolt. The maximum acceptable deviation is 0.05mm. Any large deviations will need to be corrected by adding shims, for example if the dial indicator shows a foot lift of 0.1mm then this is the thickness of the shims placed under that foot. Tighten down and do the same with the other legs until they are within tolerance.
It depends on experience, everyone uses different methods
There is also a relatively simple method, which is to use a laser alignment device. You can first check the weak foot and then find the alignment, which is very fast.
It can only be calibrated with two watches, and it can be completed within an hour. If I use a dial indicator to measure the feet one by one, I will not have enough time.
Everyone has different experiences. Who has the best and fastest way to determine the weak foot of a motor?
Or does anyone have a better method for correcting the double tables? Using calculation method plus empirical method, the fastest and most practical method
Let me talk about my little experience. A common problem with double-meter alignment is that there is still a deviation in the radial value after calculation. After many years of practice and summary, this kind of deviation is also traceable. Generally speaking, when the axial deviation is too large, it will lead to failure to find it in one pass, and the upper opening will cause the motor to be lower (I usually use the motor to pump).
Regarding the virtual angle of the motor, loosen the motor anchor screws, remove all the pads, and try which corner can be stepped on. Find this angle and measure the specific number of virtual angles on the meter.