The conical angle rolling swing mechanism for micro-sized inverted conical holes in electrical discharge machining.

Conical Hole Magnetic Control Electric Discharge Machining Device and Method

A collision protection system and method for an electrical discharge machine.

A normally open clamping mechanism for an electrical discharge machining (EDM) machine.

A missing wire detection device for an electrical discharge machining (EDM) machine.

A fixture for electrical discharge machining of valve seat spray holes.

An automatic grabbing mechanism for a control valve.

An automatic loading and unloading device for control valves.

A positioning mandrel for the processing of nozzle spray holes.

A water positioning mandrel for the processing of nozzle spray hole machining tools.

An axial double-claw fixture for processing the nozzle spray hole of a fuel injector.

A type of pneumatic inflatable electrode wire normally open clip.