Program number O$1113$

$1.$ The blank of the part is $72$ mm x $42$ mm x $5$ mm$.$

$2.$ X$0$ is $51$ mm from the left$-$hand side, Y$0$ is $21$ mm from the far side, Z$0$ is the top of the part.

$3.$ The part is roughed and finished from inside by holding the blank against three pins by two clamps.

$4.$ For outside operations, stop the machine. Place clamps from inside and remove outside clamps and pins. Finish

as required.