Product Main

Specifications

Three axes employ roller and ball type linear ways, exhibiting outstanding structural rigidity and machining stability. Three axes are transmitted by C5 grade precision ball screws and equipped with 1 µ differential type precision linear scales and provide closed loop control.Applying Laser interferometer inspections during assembling .Mirror Finish circuit is equipped as standard.Special circuit design for fast cutting tungsten carbide is available.
 
 Specification for machine unit:  
 
 
Model Unit CNC850
Table travel(X axis) mm 800
Table travel(Y axis) mm 500
Quill travel(Z1 axis) mm -
Work head travel(Z2 axis) mm 400
Work table dimensions(LxW) mm 1000x600
Distance between plate and table mm 450-850
Work tank inner dimensions(WxDxH) mm 1600x983x588
Max. capacity of dielectric fluid Liter 1150
Max. electrode weight kg 120
Max. workpiece weight kg 2000
Machine unit dimensions(WxDxH) mm 1850x2800x2750
Machine unit weight kg 5400
 
 
 
Specifications of power supply unit:
 
Model   CR6C
Specification   50A 75A 100A # 150A # 250A #
Input voltage                                        3   V 220.346 220.346 220.346 220.346 220.346
380.415 380.415 380.415 380.415 380.415
Input power KVA 7 10 15 20 30
Working voltage(No load) V 100 100 100 150 250
High voltage V 140 or 250 140 or 250 140 or 250 140 or 250 140 or 250
Min. ON TIME µS 1 1 1 1 1
Min. OFF TIME µS 1 1 1 1 1
Max. Cutting speed mm3/min 480 720 1050 1500 2500
Best surface finish µmRa. 0.2 0.2 0.2 0.2 0.2
Min.Electrode wear rate % 0.3 0.3 0.3 0.3 0.3
Weight kg 210 248 360 490 700
 
  # One extra power unit. Continuing improvement will allow the maker to modify the design or specification without notice. 

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.