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If V0 is close to zero value - it means that unbalance is close to zero too.In the right chart we can see diagrams of the vibration timing function and spectrum of vibration function.
There are 2 harmonic peak - about 5 mm\s on the 50 Hz and about 2 mm\sec on the 100 Hz. As we see V0 is close to Vs, so we can conclude that main reason of the vibration is unbalance.
1. Set New rotorif you balance rotor first time or Select rotor if you balance already known rotor 2. Weight trial mass. We use a digital scales to weighing mass. 3. If you need to split weight – select Blades, else select Polar 4. Set radius of trial mass mounting place. Now we can begin to balance. Start electromotor. Wait for stability of the rotation speed value. Then press (or click) button F9 – Run
Run#2
After this software show mass and place of the correcting weights.
Remove test weight from the 2nd plane and add correction mass M1 and M2 on the angles f1 and f2 , as shown on the screenshot.
Then we should check result of our balancing. Run machine again (RunC)
Then check result again
Vibration in the 1st correction plane is redused more than 200 times and in 2nd plane - more than 40 times.
Date: 2015-12-18; view: 1466
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