design of deep holes
Avoid interrupted cuts. Because the tungsten carbide head is fairly brittle, a gun drill should always cut into solid material to avoid breaking of the cutting edge. […]
rust prevention for the slot or channel should be taken into account in a mold
Rust prevention for the slot or channel should be taken into account, structure of the slot and channel should be designed for the convenience of cleaning. […]
the hot and cold medium channel of molds
the hot and cold medium channel of molds is usually in hole or slot form, […]