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Question:

How can the dynamic balance be accurately removed on the impeller?

Horizontal balancing machine is used to detect Schenck balance, such as using structural drawings to weight in accordance with the actual test results, unable to get accurate value. If the original unbalance 5g, after removing 5g, there will be 3~4 grams remaining.

Answer:

For example: diameter 200 and diameter 400, between them 5 grams difference is very big. When I operate, it is corrected by working experience.
If the original unbalance 5g, after removing 5g, there will be 3~4 grams remaining. That you corrected the workpiece D is relatively small, in reality 5 grams can not offset the unbalanced centrifugal force of 5 grams; also have to continue to weight. Besides, see how much your workpiece speeds, and 3--4 grams can be within the tolerance range.
The 5g shown on the panel is determined by the size of the workpiece diameter.

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