MARK OUT & MEASURE – ANSWERS ASS. ONE- PART 1. -  GAUGES

NAME:

 1       (a)     Screw pitch gauge

          (b)     Radius gauge

          (c)     Feeler gauge

          (d)     Thickness gauge

2         Setting the valve clearance on an engine

       Checking the end float of a machine spindle

       Checking the amount of bend in a shaft

       Setting the spark plug or points gap on an engine

3       A

4       Avoid impact forces on the blades

     Avoid contact with moving machine parts

     Clean and lubricate after use to avoid corrosion.

5      Radius gauges are used when grinding a radius form lathe tool

     Radius gauges are used to check the radius being machined or filed on a workpiece

6       Working from left to right across the page - radius too big, radius too small, radius too small, radius too big.

7       1.      Checking a part which has been form turned

          2.      Checking the shape of a form tool while it is being ground

          3.      Checking the shape of a moulded or cast component which cannot be measured with conventional tools

          4.      Checking the shape of a gear tooth which is being repaired

8       (a)     Form is correct

          (b)     The left hand side of the tool has a radius

          (c)     The angle is too big

          (d)     The angle is too small

9       Clean after use

          Lightly oil or wrap in oiled paper

          Store in dry place

          Store in case or box to protect from outside damage.

10     The tool should be immediately taken out of service and reported to a supervisor to be repaired or scrapped.