The flexible eroding and grinding machine
Basic Data

The HELITRONIC POWER DIAMOND 400 tool eroding machine with grinding/electrode changing wheels can erode tools made of PKD/CBN material and grind tools made of high-speed steel/carbide. 

It can machine tools with a diameter of  3 to 380 mm, a machining length of up to 520 mm and a piece weight of up to 50 kg.


Gantry design

The WALTER gantry design in cast iron with its good damping properties ensures optimal tool surfaces.

Linear axes

The machine has three linear axes X, Y, Z with ball screws and a maximum traverse speed of 15 m/min.

Grinding wheel changer 4/8

With a capacity of 4 to 8 grinding wheel adapters, the grinding wheel changer multiplies the grinding wheel capacity of the HELITRONIC POWER DIAMOND 400.

Fine Pulse Technology

The latest eroding technology for a perfect eroding process. Perfect surface finish and minimal chipping

Technical Data
kg / cm
lb / inches

Linear Axes

Max. Travel X 650 mm
Max. Travel Speed X 15.000 mm/min
Max. Travel Y 350 mm
Max. Travel Speed Y 15.000 mm/min
Max. Travel Z 720 mm
Max. Travel Speed Z 15.000 mm/min

Spindle drive

Max. Spindle Power 26 kW
Max. Number Of Revolutions 10.500 /min
Max. Grinding Wheel Diameter 254 mm

Swiveling Axes

Swiveling Range A ∞ °
Swiveling Range C 400 °

Workpiece Data

Workpiece Length 0 - 520 mm
Workpiece Diameter 3 - 380 mm
Max. Workpiece Weight 50 kg

Linear Axes

Max. Travel X 25,591 inch
Max. Travel Speed X 591 inch/min
Max. Travel Y 13,780 inch
Max. Travel Speed Y 591 inch/min
Max. Travel Z 28,346 inch
Max. Travel Speed Z 591 inch/min

Spindle drive

Max. Spindle Power 35,350 hp
Max. Number Of Revolutions 10.500,000 rpm
Max. Grinding Wheel Diameter 10,000 inch

Swiveling Axes

Swiveling Range A ∞ deg
Swiveling Range C 400 deg

Workpiece Data

Workpiece Length 0 - 20,472 inch
Workpiece Diameter 0,118 - 14,960 inch
Max. Workpiece Weight 110,3 lbs
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Automatic electrical measurement of machine reference
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Global Group
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