Chày cối tạo hình
7. Countersink
Usage
Used for sinking a countersunk screw head and for bottom parts of products such as OA machinery.
Shapes Overview
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.
Examples
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.