Metal Measuring and Laying-out Tool
What Is Meant by Laying Out?
Laying out is the marking of lines, circles, and arcs on metal surfaces; such work is called layout work. It is the transferring of information from a working drawing to metal surfaces to show the machinist or the fitter at the workbench how much metal should be cut away. Laying out on metal is the same as making a drawing on paper, the difference being specific tools are used.
Measuring tools are tools used when taking measurements or to transfer measurements to metal parts or components that are being worked on in the workshop. Some tools are used in conjunction with other tools when taking measurements
Scriber:The scriber is a piece of high carbon steel hardened and tempered they are
Centre punchThe center punch is used only to make the the centers of holes that are to be drilled.
Common callipers used in the workshop may be
- firm or plain joint or
- spring type
and may be identified according to their function and style of manufacture. These include