Calipers and Feeler Gauges

what are calipers and feeler gauges

Caliper: an instrument for measuring external or internal dimensions, having two hinged legs resembling a pair of compasses and in-turned or out-turned points.

Gages: the thickness, size, or capacity of something, especially as a standard measure, in particular.the thickness, size, or capacity of something, especially as a standard measure, in particular.

What are they made of

Feeler Gage is made from high carbon (C1095), close grain, spring steel. The high carbon content ensures that the material does not compress, producing consistent accuracy, which is the most important aspect of this precision measuring tool

caliper Ordinary 6-in/150-mm digital calipers are made of stainless steel, have a rated accuracy of 0.001 in and resolution of 0.0005 in. other types of calipers are made from high carbon steel

questions

What combination of feeler gauges would you use to verify a gap is .024 inches wide?


a. .008

b. .016

c. .019

d. .006




question 2




Match the object to the device you might use to measure its dimensions.


clearance between a door and sill gauge

diameter of a bolt caliper

width of a tennis court Choose tape measure

wingspan of a paper airplane ruler

question 3

Identify the DIAL on the dial caliper

sources

"How to Use a Thickness ('feeler') Gauge." How to Use a Thickness (feeler) Gauge. Reluctant Mechanic, n.d. Web. 11 Dec. 2014. <http://www.reluctantmechanic.com/using-tools/thickness_gauge.php>.


2014. Web. 11 Dec. 2014. <http://www.wisegeek.com/what-is-a-feeler-gauge.htm>.


"Vernier Caliper (measurement Instrument)." Encyclopedia Britannica Online. Encyclopedia Britannica, n.d. Web. 11 Dec. 2014. <http://www.britannica.com/EBchecked/topic/626328/vernier-caliper>.