Checking Nozzle Balance
- Calibrate the air gaging system using the max and min masters in a normal manner.
- Orient the tool with a horizontal centerline so the jets are situated vertical and located midway within the width of the maximum setting master. This will produce a readout indication at the high limit end of the tolerance zone on the scale. Note the exact readout indication.
- Reposition the air tool so that the nozzles are reversed 180 degrees. Observe any difference in the indicator reading from step 1 above. Should a difference greater than one division on the scale be encountered, the tool should be considered for repair to correct "jet balance".
A New Dimension In Precision Measurement
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