HERRAMIENTAS FORMADO
7. Countersink
Uso
Used for sinking a countersunk screw head and for bottom parts of products such as OA machinery.
Resumen de formas
There are various drawing shapes such as round and square.
Also the type which has a bolt hole pierced in the center of the shape can be processed.
Ejemplos de
Example of the countersink with a bolt hole.
It's forming angle of one side is 45°.
Example of double“D”shaped hole.
The counterpart can be thought of a shaft for anti-rotation.
The bolt hole deforms when drawing.
It can be solved by processing a hole after drawing.
Shapes like this are used for nonslip.
Also Obround can be processed.