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Can drill a deep hole with diameters 0.3mm ~ 3mm (the depth-diameter ratio is 300:1).
The speed of the drilling hole is 30mm~60mm depth per minute (it is different for different materials).
Can drill wire-cut starting hole, filter hole, jet hole, gas hole, group holes and hole of super depth, etc.
Can drill small holes on the various conductive materials, even semiconductor material, especially stainless steel, chilled steel, copper, aluminum and hard alloy, etc. This is a useful funtion of small hole drilling machine.
Can easily erode the drill and screw tap etc. which is broken in the workpiece and not destroy the screw thread of the holes.
The working water can be normal water or saponification fluid and no pollution is brought.
The operation of the EDM hole drilling machine for sale is easy and convenient
X, Y, Z three axes digital display with scale.
No. | Item name | Specification | Quantify |
1 | Inner hexagon spanner | M3 M4 M5 M6 M8 | 1 piece each |
2 | Double-head screwdriver | 1 piece | |
3 | Shear for electrode | 1 piece | |
4 | Guide | Φ0.5mm | 1 piece |
5 | Guide | Φ1.0mm | 1 piece |
6 | Electrode | Φ0.5mm | 100 pieces |
7 | Electrode | Φ1.0mm | 100 pieces |
8 | Electrode seal | 10 pieces | |
9 | Chuck | 4H | 1 set |
10 | Balance bar mount | 1 set | |
11 | Tap connector | 1 piece | |
12 | Foot block | M16 | 4 pieces |
13 | Water tank | 1 piece | |
14 | Water barrel | 1 piece | |
15 | Water cover | 1 set | |
16 | Manual | 1 set | |
17 | Packing list | 1 set |
There are three types of typical applications of electric discharge machining (EDM)， wire cut EDM, EDM penetration(sink EDM) and small hole drilling EDM, they were developed for different purposes. Sometimes, when a tiny and deep hole needs to be done on a super hard material, diameter 0.8mm and depth 120mm, it becomes impossible to process by conventional drilling machine due to hardness of material and drill tool is easy to break. Thanks to advantage of EDM technology, small hole EDM can process all kinds of hard material without actual touching the workpiece, besides, it’s fast and cost-effective. Usually, the diameter of small hole EDM to process ranges from Φ0.1-3.0mm, for some special applications, diameter of the hole could be less than 0.06mm, which is impossible to achieve with any other machining methods.
Some typical applications of small hole drilling EDM are listed below.
1. Start hole for wire cut EDM, when it needs to cut a male die, it must cut from inside of the workpiece, so it needs to make a start-hole with small diameter for wire cut EDM to thread wire through, small hole drilling EDM is the most perfect partner for wire cut EDM.
2. As small hole drilling EDM can process super hard material like titanium alloy for aerospace, energy industry, the most widely application is to make small air holes on the blades of turbine. With 5-axis or 6-axis control, CNC small hole EDM drilling machine can process small holes at different positions with different titling angles on the blades of turbine.
3. Other applications: chemical fiber spinneret, spinneret hole of spinneret plate, filter plate, group hole of sieve plate, heat dissipation hole of cylinder block, oil circuit and air circuit hole of hydraulic and pneumatic valve body, flushing hole of cutting tools, and etc.
Notes for maintenance of EDM small hole drilling machine
The 2016 National EDM Machining Technology Seminar was successfully held in Beijing
N85 5-axis Simultaneous Control Cnc Die Sinking Edm Machine Has Been Added Into “qualified Suppliers Catalog Of Domestic Made High Rank Cnc Machine Tools For Military Industry”
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