PRECISION MEASURING AND GAGING - OD1642 - LESSON 1/TASK 2
(e) Gaging Flat Parts.
Gaging flat parts with the snap gage is
illustrated in figure 16, views A through D.
Inspection of machined
components or parts is vital when they are being matched or assembled with
other parts to form a completed unit.
Therefore, the inspector must be
proficient in the use of gages to be able to accept or reject parts being
tested by the GO or NO GO standards.
GAGING FLAT PARTS.
1 To gage flat parts, position the gage so that the pins or
buttons (1) (view A) are square with the flat surfaces on the part (2).
2 Take the work to be measured and place it at the front of
the first pin or button. Using a slight hand pressure, push the gage (3)
(view B) over the part.
3 If the part is within limits, the NO GO pins will stop the
part (view C). However, if the