Below is a comprehensive list of marking out tools and their uses listed out and these marking-out tools include:
READ MORE: BRIEF INTRODUCTION TO MARKING OUT
(1) SURFACE PLATES
This is a thick rigid and very flat plate which is used as the horizontal datum. It is made of cast iron and have very flat rectangular surface.
(2) ANGLE PLATES
These are heavy and rigid, and the workpiece may be clamped finally to them on the surface plate. Angle plates are made from cast iron.
(3) VEE - BLOCKS
Vee Blocks are supplied in pairs. They are rectangular with a vee-shaped recess in one side and are used on the surface plate to support cylindrical works. Vee Blocks are made of chilled cast iron.
(4) SCRIBERS
The Scriber is a thin rod with very hard, fine pointed ends which is used to cut the lines in the surface of the workpiece. Scribers are made from hardened and tempered high carbon or cast steel.
(5) SCRIBING BLOCK
The Scribing Block has an accurately machined flat base and a supporting pillar upon which is mounted a scriber with a hooked end. The scriber can be clamped at any desired position on the pillar, and then brought into contact with the work.
Finally, the base of the scribing block is held firmly against the surface plate and moved slowly so that the scriber marks a line on the component. By raising or lowering the scriber point, lines parallel to the first can be marked on the work. Scribing Block is made from high carbon or cast steel.
(6) STEEL RULE
The rule is usually graduated in millimeters and inches measurements are picked from the steel rule.
(7) TRY SQUARE
The Try Square is used with the feeler gauges to check the accuracy of right angled corners and with a scriber to mark out lines at 90 degrees to an accurate edge.
(8) DIVIDERS
This is used to transfer measurements from a rule and to scribe circles and arcs.
(9) HERMAPHRODITE CALIPERS
They are used to to scribe lines parallel to an accurate edge, The hooked end being drawn along the edge.
(10) CENTER PUNCH
The center punch is used to mark light points on scribed lines which are the limits of a surface or edge.
READ MORE: TOP 7 PRECAUTIONS TO TAKE WHILE USING THE MARKING OUT TOOLS
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