Spark Erosion Countersinking

Knuth Spark Erosion Countersinking EDM 460/60 CNC

X, X, and Z axes travel on preloaded, zero-backlash ball screws and are driven by servo motors with high torque and high positioning accuracy (2 µm)
glass scales for 'closed loop' operation Higher accuracy is achieved by tuning the actual values with the theoretic value of the control
TURCITE-B coated guideways
square quill, hardened (HRC 60)
linear guideways of quill
The control adjusts impulse durations and purge durations to prevent possible problem conditions (arcs, risk of burning up electrodes, etc.)
Overlayed high-voltage can be selected to increase the surface quality for deep nests and to increase the finishing erosion capacity
also suitable for carbide machining
Generator has a PC-based structure for easy board replacement in case of a failure

working area
travel X-axis	420 mm
travel Y-axis	360 mm
table dimensions	750x400 mm
workpiece length (max.)	1100 mm
workpiece width (max.)	600 mm
workpiece thickness (max.)	400 mm
workpiece weight (max.)	1300 kg
head swivel range	300 mm
quill stroke	200 mm
generator
generator power consumption	7,5 kVA
removal rate (max.)	530 mm³/min
electrode weight (max.)	180 kg
electrode wear, min.	0,3 %
mean current	60 A
generator dimensions	760x650x2000 mm
generator weight	260 kg
dielectric system
filter	2
dielectric, tank capacity	370 l
dielectric container dimensions	920x800x700 mm
dielectric container weight	120 kg
best surface roughness	0,3 µm Ra
measures and weights
overall dimensions	1530x1500x2210 mm
weight	1600 kg

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