What is drill EDM & hole poper?

Drill EDM is one of the essential machine tools in the machining industry. So what exactly does drilling edm do? Let Sammlite Machinery solve this doubt for you.

In industry, drill edm is often used. Hole poper is generally used as a supporting equipment for wire cut edm, used for starting hole of wire cut edm, chemical fiber spinneret, spinneret hole of spinneret, filter plate, group hole of sieve plate, engine blade, cylinder block Heat dissipation holes, hydraulic and pneumatic valve body oil circuit, air circuit holes, etc.

The electrode of the electrical discharge drill edm is a hollow copper rod, and the medium passes through the fine hole in the middle of the copper rod hole, which plays the role of cooling and chip removal. The discharge between the electrode and the metal produces high temperature corrosion of the metal to achieve the purpose of perforation. It is mainly used for processing fine holes of superhard steel, cemented carbide, copper, aluminum and any conductive substances. It can process small holes of 0.015mm, and can also process small holes with taper, which is widely used in precision mold processing.

In addition, after using the drill edm, you must pay attention to maintenance. Clean up the water and workpiece residue on the drill edm work surface. It is also necessary to regularly clean the dust inside the electrical box, such as the dust on the power resistor, the dust on the discharge bridge stack, especially the dust on the printed circuit board, which is beneficial to the heat dissipation effect of the electrical components. If the dust on the printed circuit board is not removed, it will easily absorb the moisture and corrosive things in the air for a long time, corrode the original small conductive copper skin, and cause the failure of the machine tool.

A very important point that is more likely to be forgotten by drill edm users is the maintenance of the hole poper pump. When drilling edm is working, the crank bearing inside is under very high pressure. If the lubricating oil is not replaced in time after a period of work, it will cause serious consequences. We should pay attention. Because the water pump is a very important part in the electrical discharge machine, if there is a problem with this part, it will affect the use of the entire machine tool.