Portable edm broken tools extractor with the traveling spindle has been designed for local removal of broken taps,
reamers, drills, etc, without workpiece hole damaging and dismantling workpiece from the machine tool.
The machine unit operation is based on electro-erosion principles. The electrode can be made of any brass bar of proper diameter in range 1–6 mm. The broken tool can be removed directly from the workpiece clamped in the machine without disassembly. The machine can extract the tools made of the high-speed steel, carbide alloy.
The machine is completed with the built-in water pump unit and electrode cooling system. It features the cutting depth control function (maximum cutting depth setting — 100 mm).
The work head is mounted at the angle of ±60° to the workpiece surface.
The machine is provided with the shock-resistant and leak-proof case, retractable handle and polyurethane wheels to ensure the safe device storage and travel on the shop floor.
Average cutting speed
mm / min
Max Z – axis spindle travel
Max. spindle tilting angle (electrode length max 50 mm)
±90 (360 degree possible with special coolant supply)
Перемещения по Z
Max. electrode working stroke
V / kHz
220 / 50–60
Max operation current
Up to 8
Total power consumption
Electrode materials and range
Brass, copper bar round/square/flat shape (1-8mm)
Working unit dimensions (L х W х H)
240 х 60 х 55
Spindle unit weight, kg
Control unit dimensions (L х W х H)
360 х 210 х 55
Control unit weight
Shock-proof case dimensions (L х W х H)
550 х 345 х 250
Shock-proof case weight
PORTABLE EDM BROKEN TOOLS EXTRACTOR Series ERP01 APPLICATION SAMPLES
M2 broken tap removing (material: HSS) from titanium fixture for control system devices.
M38 broken tap removing (material: HSS) from the thrust bearing of the pump of a nuclear reator.
2 mm tungsten electrode drilling technological (Safety) holes in stainless nuts.
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