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Home / Machine tools and equipment / Metalworking machine tools / Electrical discharge machines (EDM)

Electrical discharge machines (EDM)

EDM machines include wire-cut (WEDM), sinker, and copy EDM models with CNC for non-contact machining of conductive materials. They are used in mold & die making, aerospace, medical device manufacturing, and precision engineering to produce complex shapes from hardened steel, titanium, and exotic alloys.

Subcategories

Total: 60 products
CNC-EB EDM CNC-EB1880L
JSedm EB

CNC-EB EDM CNC-EB1880L

Working table size 1850mm x 1000mm
X/Y-Axis travel 1800mm / 800mm
Z-Axis travel 600mm
Max. weight of workpiece 7000kg
Price on Request
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Wire cut EDM Wi-50E
JSedm Wi

Wire cut EDM Wi-50E

Machining method Flushing type
Max. workpiece dimensions 870mm x 520mm x 295mm
X/Y-Axis travel 500mm / 300mm
Z-Axis travel 300mm
U-Axle travel 100mm
V-Axle travel 100mm
Price on Request
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CNC-EB EDM CNC-EB2610L-2H
JSedm EB

CNC-EB EDM CNC-EB2610L-2H

Working table size 2700mm x 1100mm
X-Axis travel 2150mm / Single-Axis
X-Axis travel 1075mm / Dual-Axis
Y-Axis travel 1000mm
Z-Axis travel 600mm
Max. weight of workpiece 10000kg
Price on Request
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CNC-EB EDM CNC-EB2210L
JSedm EB

CNC-EB EDM CNC-EB2210L

Working table size 2250mm x 1100mm
X/Y-Axis travel 1800mm / 800mm
Z-Axis travel 600mm
Max. weight of workpiece 9500kg
Price on Request
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CNC Die-sink EDM machine CNC-540
Triple Tech CNC

CNC Die-sink EDM machine CNC-540

Working table size 850mm x 500mm
X/Y-Axis travel 500mm / 400mm
Z-Axis travel 300mm
Max. weight of workpiece 2000kg
Price on Request
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CNC EDM machine H5040
HCM C

CNC EDM machine H5040

Die-sink EDM Machine design Movable table
Working table size 800mm x 450mm
X/Y-Axis travel 500mm / 400mm
Z-Axis travel 185mm
EDM system CNC
Price on Request
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CNC EDM machine H3025C
HCM C

CNC EDM machine H3025C

Die-sink EDM Machine design Movable table
Working table size 600mm x 300mm
X/Y-Axis travel 300mm / 250mm
Z-Axis travel 150mm
EDM system CNC
Price on Request
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CNC EDM machine H3025S
HCM C

CNC EDM machine H3025S

Die-sink EDM Machine design Movable table
Working table size 600mm x 300mm
X/Y-Axis travel 300mm / 250mm
Z-Axis travel 150mm
EDM system CNC
Price on Request
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CNC EDM machine H5040S
HCM C

CNC EDM machine H5040S

Die-sink EDM Machine design Movable table
Working table size 800mm x 450mm
X/Y-Axis travel 500mm / 400mm
Z-Axis travel 185mm
EDM system CNC
Price on Request
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CNC Die-sink EDM machine HQ-G40
Caiman G

CNC Die-sink EDM machine HQ-G40

Working table size 680mm x 400mm
X/Y-Axis travel 400mm / 320mm
Z-Axis travel 320mm
Max. weight of workpiece 500kg
Price on Request
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EDM (electrical discharge machining, also known as spark eroding or wire erosion) is a machining process that uses the electrical discharges to alter the shape of a workpiece - an electrical current passes between an electrode and a workpiece which are separated by a dielectric liquid and as a result spark erodes the workpiece to form a desired final shape. 

Types of EDM machines:

  • Wire-cut EDM (WEDM);
  • Die-sink EDM (Ram-type EDM);
  • Hole drilling  EDM;

Combined with computer numeric controls (CNC), EDM machines become an accurate and reliable machining method that is now standard among more conventional cutting methods. It is particularly popular for small-volume productions such as prototypes. Various processes are possible with electrical discharge machining, including turning, milling, grinding and small hole drilling. Besides die and mould-making, EDM is typically applied in the automotive and aerospace industry, for example, in the production of aircraft engines. 

Advantages:

  • Machining the hight hardness workpieces made from titanium or tungsten carbide;
  • Machining the shapes and depths what are impossible to process with a cutting tool;
  • Excellent surface finish;
  • High precision machining method

However, EDM machining is the rather slow method compared to traditional machining, therefore high-volume tasks are not suited for this method. At the same time, the spark eroding process requires high power consumption. If need to rough cut a lot of parts quickly, electrical discharge machining probably isn’t the right processing machine. 

Reliable and durability EDM machines from Asia by Knavi Group LLC.

Knavi Group LLC offers a large variety of reliable EDM machines for any task by the largest manufacturers from China, Taiwan (R.O.C), Korea and Japan. A wide range of high quality machine tools with a long warranty and lowest prices. Assistance in the selection of a needed machine and equipment, installation supervision and commissioning, training, warranty and post-warranty maintenance, door-delivery to any region of the country, supply of spare parts and tools.