Präzisionsdraht-EDM mit Linearmotoren und AWT

Wire EDM with linear motors and AWT, AL-Series, ACCUTEX

DELIVERY IN 3 MONTHS! TESTWORKS POSSIBLE!

PURPOSE:
The machines are equipped with cylindrical linear motors and high resolution optical rulers of 0.1µm with closed loop control to the motors drivers. Smooth motion on all axes, low friction rate and closed loop control makes possible continuous cutting with highest repeatability, roughness and accuracy on the workpiece. Quick servo motion allows to increase the spark gap control sensitivity and as a result the cutting efficiency by 8-10% comparing with similar machines.

FEATURES

ACCUTEX Machines AL-series are capable to reach a surface roughness of Ra 0.35 µm and even Ra 0.08 µm (optionally) and a machin¬ing accuracy of ±2.5 μm. In the basic version, cylindrical linear drive units and linear optical scales with 0.1 μm resolution ensure the full loop control over the machines.
The fast servo response causes a higher discharge sensitivity in the spark gap thus increasing cutting speed by 8–10% when compared with similar machines.
The machine structure has a T-shape design with a shorter Y-axis (work table) mounted on the X-axis. The broad frame prevents buckling in the extreme points during work table travel
AL series of EDM wire-cut machines are designed to perform challenging tasks such as high-precision gapless dies cutting

Parameters

Specifications	Unit	AL-400SA	AL-500SA	AL-560SA	AL-600SA	AL-750SA
Cutting accuracy	μm	±2,5
Max. workpiece size	mm	790 x 610 x 215	990 x 610 x 295		990 x 650 x 295	1190 x 800 x 295
Max. workpiece weight	kg	400	500		550	750
XY-axes travel	mm	400 x 300	500 x 300	560 x 360	600 x 400	750 х 500
Z-axis travel	mm	220	300
UV-axes travel	mm	100 x 100
Best surface roughness, Ra	μm	0.35 (0.06 — optional)
Applicable wire diameter range	mm	0.15 ~ 0.3 (0.1 — optional)
Water tank	l	630	900			1060
Min. value of step setting	mm	0.0001
Machine size	mm	2051 х 2990 х 2070	2480 х 2980 х 2210		3000 х 3200 х 2250
Machine weight	kg	3000	3600		3700	4300

Features

«AC Servo Tension Wheel», wire tension control during cutting, has reverse tension when wire broken.
«Wire End Needle-Shaping», special cut-off wire features, when wire burnout the reverse tension pull wire back and needle shape of wire end forming automatically.
«Waste Wire Auto Removing Device» – exclusively designed by Accutex. Automatically remove the remains of broken wire by pressed air into the wire rubbish container.
SD-Master – the system that provides high repeatability in accuracy by applying the same cutting data on different machines. Improves the quality of the workpiece and simplifies the management procedure. The SD-Master high-speed cut with a stable feed rate stabilizes the cutting process, especially in high-speed mode.
AccuteX intelligent current generator – it can work with changing conditions of the workpiece thickness and water washing, which allows processing with high cutting speed and no problems with wire breaks.
High resolution signal processor – provides a smoother control of speed and increases the stability of position control. Can match the best contour accuracy.
Taper cutting control system – For different cutting parameters, wire diameters, angles and thicknesses of the workpieces, the Accutex controller automatically optimizes the parameters to maintain the best angular performance with high accuracy, as well as the cutting speed. Even at small and continuous angles, Accutex can still provide better accuracy.
Anticollision system – The machine has a built-in protection against mechanical collisions of the upper head with devices or workpieces.
6th axis rotary table as option – can be completely submerged in water and will still maintain high performance and accuracy, IP68 protection class. The built-in motorized spindle has an ultra-high resolution of 720,000 pulses per revolution, eliminating problems with backlash. The turntable can be used in both vertical and horizontal positions.

Standard options

Windows CE-based CNC and touch screen
AWT — automatic wire thread unit
SD-Master — extended system of automatic adaptive control
Cylindrical linear drives
Optical scales on XY axes with 0.1 μm resolution
Collision prevention system on XYUVZ axes
Water chilling system
Upper and bottom water jet nozzles
Diamond wire guides, Ø _0.25 mm
Current-carrying electrode (collectors)
Device for diamond guides replacement
Brass wire 0.25 mm (wire spool – 5kg)
Toolbox with tools kit
Container for spent wire
Container for ion-exchange resin
Ion-exchange resin
Set of filtering elements
Wire alignment device
Package of technical documentation in English
Voltage transformer 380 / 220V+ AVR stabilizer

Extra options

Electric lock on the tank door
Wire Threading by High Pressure Water Jet (if ordered, the collision prevention system on Z-axis is inactive)
MST device for roughness improvement to Ra0.08
Remote master — remote monitoring of machine operation status
Alarm messenger – text alert of machine status by smartphone
Submerged-type rotary table (W axis)
Accessory for spools up to 45 kg
Accessories for 0.1 mm thick wire
Three-color lamp indicating machine operation status
PCD-Module – special generator for graphite and polycrystalline diamond cutting
Spent wire chopper

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