Gauge assembly for measuring diameter and total indicated...

Details Gauge assembly for measuring diameter and total indicated... Gauge assembly for measuring diameter and total indicated...

2007-04-03

2007-04-03

Guadalupe-McCall, Yaritza (Department: 2859)

Geometrical instruments

Gauge

Circular size

C033S558010

Reexamination Certificate

active

11081693

ABSTRACT:
The invention is directed to a gauge assembly that is used to measure parameters of camshaft journals or other objects with cylindrical surfaces. The gauge assembly includes two gauges, the first is an air snap gauge and the second a linear variable differential transducer. The air snap gauge is slidingly attached to the base and the second gauge is attached to a base as well. Air resistance measurements, taken through the air snap gauge provide a measure of diameter of the journal while relative linear motion between the base and air snap gauge, measured by the second gauge, provides a measure of journal runout relative to the center axis of the camshaft. Control logic is used to calculate other parameters such as runout of a journal relative to another journal on a common camshaft.

REFERENCES:
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