DIE-SINKING ELECTRO-EROSION

ONA HS 700

TECHNICAL SPECIFICATIONS

X axis travel: 1,500 mm
Y axis travel: 750 mm
Z axis travel: 500 mm

Worktable height: 820 mm
Open height (clearance): 920 mm

Maximum workpiece weight: 100,000 N
Maximum load on head: 4,000 N

Tank type: Fixed
Tank dimensions: 2,300 x 1,300 x 700 mm

Worktable size: 1,700 x 1,000 mm
Usable dielectric height: 620 mm

GENERATOR

Standard minimum surface finish: VDI = 0
Power: 60 A

MACHINE EQUIPPED WITH

Generator with 120 A Expert System

Fixed worktable 1,700 x 1,000 mm

CNC for simultaneous axis control

Integrated ONA C-axis with automatic System 3R Macro Standard chuck

Eco-friendly filter with automatic cleaning cycle

Dielectric temperature control system

Year of manufacture: 2003

MACHINE FEATURES

Fixed-table structure ensuring stable operating conditions, equipped with leveling supports
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Stabilized grey cast iron structure (base, column, tables)

X-Y-Z movements via high-precision class A ball screws, driven by three DC motors

Motion on prismatic roller guideways

Position detection via linear glass scales

Improved front accessibility with retractable front door system

Fixed working tank

Integrated C-Axis (mounted on the head)

Maximum speed: 40 rpm

Resolution: 0.001°

Maximum load (static C-axis): 500 N

Maximum load (dynamic C-axis): 120 N

Heidenhain encoder

Toothed belt transmission

Maximum current without rotation: 120 A

Maximum current with high-speed rotation: 60 A

Maximum current with slow rotation (0–1 rpm): 12 A

Moment of inertia: 2,000 kg/cm³

GENERATOR FEATURES

Modular design

Programmable parameters

Maximum power: 60 A

EXPERT SYSTEM

Controls the entire erosion cycle, from roughing to final surface finish, automatically adjusting spark parameters to ensure maximum generator efficiency and highest machining speed.

Dedicated software for deep ribs

Dedicated software for finishing large homogeneous surfaces

Fully unattended machining capability with maximum productivity and excellent final quality

Process parameter monitoring via screen and control panel display

Automatic anti-collision system preventing electrode damage in case of accidental contact with the workpiece

TECHNICAL DATA

Pulse duration (Ton): continuously adjustable from 1 to 6,500 microseconds

Pulse interval (Toff): continuously adjustable from 1 to 6,500 microseconds

Copper electrode volumetric wear: 0.2%

Graphite electrode volumetric wear: 0.1%

Surface finish Ra (CLA): 0.1 micron – VDI = 0

Maximum material removal rate: 600 mm³/min

Power consumption: 10.7 kVA

Current intensity: adjustable from 1 to 12 (manually or via program)

Highly sensitive servo control system

High erosion stability