CNC Disk Eroding machine for PCD tools

EM-400 Functions

  • Automatic electrode trimming and compensate.

  • Five axes cnc servo controlled with high precision reliability.

  • Automatic touch probe for profile detection.

  • Super fine erosion circuit up to 0.2u Ra roughness.

  • Automatic saw blades top tip edge detect function.

  • Erosion oscillation mode for better surface finish.

  • Automatic extinguisher for safety consideration.

Product Category

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EM-400 Cutting Tools Variety


  • Pre-milling cutter

  • PCD Saw blade outer diameter

  • PCD side

  • VCUT

  • Trimming cutter

  • Profile Spark

EM-400 Feature

  • ROUTER Machining

  • Pre-milling cutter Machining

  • Saw Outer Diameter spark machining

  • Saw blade of tooth side spark machining

  • Saw blade of special tooth top spark

  • VCUT Machining

  • Full cutting edge PCD blade anchor chamfer

  • Integrated diamond dresser tool holder

  • DD C axis (BT 40/BT 50)

  • Rotary head / Ceramic spindle / Probe

  • Linear Roller Guide / Full-closed loop feedback

EM-400 Specification

close loop cnc servo controlled axes

  • X axis travel 400mm with linear scale feedback

  • Y axis travel 300mm with linear scale feedback

  • Z axis travel 300mm with linear scale feedback

  • C axis for tool index 0~360 deg

  • A axis for electrode angle -120 ~120 deg

Rotary electrode

  • Outer diameter max. 125mm

  • Thickness (worn) min. 10mm

  • Bore diameter 60mm and 32mm

Rotary electrode spindle

  • Rotational speed 10 ~1000rpm

  • Dielectric pump delivery rate 50 l/min

  • Dielectric tank capacity approx. 100 l

  • Connected load 5.0kVA

  • Dimensions 2540mm x 2090mm x 2400mm

  • Weight approx. 3800kgs

The manufacturer reserves the right to modify the design, specifications, mechanisms, etc. without notice. Please kindly contact us to make sure to get the information up to date.

EM-400 Sparking

Jeffer Machinery Co., Ltd.

No. 211-8, Dongzhou Rd., Shengang Hsiang, Taichung district 429, Taiwan