China Spark Machine Precision EDM Machine

Main Unit Features:
1. The structural parts are designed and analyzed by applying the advanced Finite Element Analysis(FEA).
2. Precision linear ways on all axis assures smooth movement and high accuracy.
3. All structural casting are made of FC-30 cast iron, tempered and stress relieved for deformation free performance.
4. High precision spindle assembly insures excellent eroding performance.
5. Table surface is hardened and precision ground, assuring high machining accuracy and long service life.
6. Three axes movements are transmitted by precision ball screws.
7. Three axes are driven by DC servo motor.
8. Three axes are equipped with 1 µ Linear scale for closed loop control.
9. Each machine is compensated by laser interferometer, ensuring position reliability and increasing machine efficiency.

Controller box features:
1. The controller employs INTEL PENTIUM industrial grade mother board.
2.15" TFT LCD monitor.
3. Conversational man-machine interface.
4. Automatic table type editing for 10-step machining programs creation.
5. Table type program input interface.
6. Selection type 2D/3D orbital setting.
7. Graphic automatic touch mode interface.
8. Tungsten steel, extra hard and special material eroding circuit.
9. MPG handwheel for micrometric positioning adjustment.
10. Isolated modular circuit design increases convenience of maintenance and stability of circuit.
11. Full digital discharge pulse control combined with the use of FPGA extra large IC components.
12. This permits high efficiency discharge pulse control combined with the use of FPGA extra large IC components.
13. Extra hard material discharge circuit is available upon request.

Applications:
1. Precision tungsten steel moulds.
2. Injection moulds.
3. Mirror-finish injection moulds.
4. Electronic parts moulds.
5. Die casting moulds.
6. Progressive IC punching moulds.

Specification of controller:
Model
CR6CSpecification
50A75A100A #150A #250A #Input voltage 3 V220.346220.346220.346220.346220.346380.415380.415380.415380.415380.415Input powerKVA710152030Working voltage(No load)V100100100150250High voltageV140 or 250140 or 250140 or 250140 or 250140 or 250Min. ON TIMEµ S11111Min. OFF TIMEµ S11111Max. Cutting speedmm3/min480720105015002500Best surface finishµ mRa.0.20.20.20.20.2Min. Electrode wear rate%0.30.30.30.30.3Weightkg210248360490700
Specification of Machine
ModelUnitCNC-341STable travel(X axis)mm400Table travel(Y axis)mm300Quill travel(Z1 axis)mm260Work head travel(Z2 axis)mm210Work table dimensions(LxW)mm650x400Distance between plate and tablemm195-625Work tank inner dimensions(WxDxH)mm1066x560x424Max. capacity of dielectric fluidLiter400Max. electrode weightkg75Max. workpiece weightkg1000Machine unit dimensions(WxDxH)mm1210x1300x2150Machine unit weightkg950