Wire Cutting
EDM

NP400L

NP series

NP400L

Product Description
NANO PRECISION WIRE-CUT EDM
  • Comply with TUV CE comformity, both safety and desired design with easy operation.
  • Power slider door design to save installation space and light operation.
Product Introduction

Specification

NP400L (Submerged Type)
Maximum workpiece
750 x 550 x 215 mm
Max. Work piece Weight
500kg
Travel of X/Y axes
400 x 300 mm
Travel of U/V axes
80 x 80 m
Travel of Z axis
220mm
Wire diameter
0.15~0.3mm
Number of axes controlled
XY Axis Linear motor,UVZ Axis AC Servo Motor
Max taper angle
±22°/ 80mm with wide diamond guide and nozzle
Machine size
2260 x 2525 x 2100 mm
Machine Weight
3050kg
Water tank capacity
650L
* The content of this catalogue is subject to be changed by the factory.

Features

High Precision

  • Smart Corner Control
  • Stable Discharge Module
  • SFC Super Finish Circuit

Cost Saving

  • Intelligent Power Management
  • Save Wire Consumption
  • Low running cost

Automation

  • High speed Auto Wire Threading
  • Workpiece Transfer Robot
  • Auto Measurement and Correction

Intelligent Networking

  • Remote monitor and management
  • Connect all Controller
  • Portable device monitor

Efficiency

  • DPM module
  • Entrance mark control
  • EF Electrolysis Free generator system

Accessory

Standard Accessories
  • XY axis linear scale
  • Brass wire x 1 spool
  • AWT
  • Clamping tool x 1 set
  • Ion exchange resin x 10L
  • Vertical alignment jig x 1 set
  • Paper filter x 2 pcs
  • Diamond guide x 2 pcs
  • Upper and lower flushing nozzle x 2 sets
  • Energizing plates x 2 pcs
Options
  • Clamping Beam
  • W-Axis
  • AVR 15KVA
  • Jumbo Feeder L-50A
  • Transformer 15KVA
  • Short Message Service (SMS)
  • Signal Tower
  • Remote Monitor System
  • Auto measurement system
  • Super Finish Circuit

Technology

Mechanical Structure
Mechanical Structure
Intelligent machining mode
DPM-Digital Power Management
Auto Wire Threading
On-line measurement system
Cutting Technology
Remote Monitor System
np_series
High Precision
  • Smart Conrner Control、Stable Discharge Module、SFC Super Finish Circuit.
Efficiency
  • DPM module、Entrance mark control、EF Electrolysis Free generator system.
Cost Saving
  • Intellignet Power Management、Save Wire Consumption、Low running cost.
Intelligent Networking
  • Remote monitor and management、Connect all Controller、Portable device monitor.
Automation
  • High speed Auto Wire Threading、Workpiece Transfer Robot、Auto Measurement and Correction.
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Machine feature
  1. Rigid U, V truss design
  2. Stainless steel work table with hardness HRC 50°.
  3. Roller LM Guide Effect supper higher Rigidity.
  4. Cast machine base designed using FEA to achieve increased rigidity.
  5. Extra wide machine base.
Linear Sheft Motor Driver System
Mechanical Structure

Provides constant temperature of the entire machine during processing that is beneficial to precision, with its features of magnetic flux in high thrust, high efficiency, low energy consumption and low temperature varieties that can achieve lowtemperature circulation of liquid/flow within linear motor.

Povides high precision in shaping and mirror polishing during processing, with its features of linear scale in 0.1 μm high resolutions and of controller in high resolution.

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  1. Coil
  2. Magent
  3. Shaft
  4. Coil
  5. Magnetic flux
Improved Operability
4-side Hardened Stainless Steel Table
  • Comply with TUV CE conformity, both safety and metal desired design with easy operation.
  • Power slider door design to save installation space and light operation.
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Graphical Interface

The HMI panel is easy to operate, using class leading ergonomic technology

Intelligent Machining mode
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Workpiece postioning function

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Maintenance and Diagnosis information

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Technology data search function

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Graphical interface

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Useful function

DPM - Digital Power Manager

DPM is capable of detecting digital signale signals of sparking density, providing feedback to the CNC system and calculating the sparking size.
It controls the sparking energy, wire tension force and water pressure more precisely; increases cutting speed and accuracy when cutting on irregular thickness workpieces.

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Comparison using DPM technology
Mode Speed mode Accuracy mode
Enable 39 Min. ±3µm
Disable 58 Min. ±15µm

(Under factory test conditions)

Stable discharge module

50 holes, one cut, and shape accuracy within 4 micron.

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50 holes, one main cut and shape accuracy

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SGS vertification workpiece IMG

SCC II Smart Corner Control
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Corner eroded reduce 50%

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Shape error reduce 40%

SFC-Super Finish Circuit
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unit : Ra

High frequency sparking energy provides Ra0.2um surface roughness with 1 rough cut plus 6 sking cuts.
  • Material : Tungsten Carbide
  • Thickness : 30mm
  • Best Surface Roughness Ra 0.14 µm
Entrance Mark Control
Concave section depth within surface roughness, Greatly reduce polishing time.
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No control : Entrance mark depth 6µ

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EM control : Concave section depth within surface roughness

Smart Radius Control
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TypeWithout controlUsing control
A 5.001 mm 5.001 mm
B 4.994 mm 4.999 mm
Error 7 µm 2 µm
Auto Wire Threading
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200mm Submerge threading

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200mm Submerge threading

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400mm thickness threading in break point

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High Speed Auto Wire Threading System
Workpiece thickness 100mm
  • Wire annealing and cutting : 10 sec
  • Threading : 10 sec
Reliable Auto Wire Threading system

The EXCETEK AWT is very sophisticated design that provides continuous unmanned operation day and night. Unlike other systems it can thread at the point of the wire breakage.

A water jet function enables the machine to thread workpieces up to 500mm.

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On-line measurement system

CBefore the machining, on-line measurement and calibration instead of the conventional one, significantly reduce the time to calibrate the workpiece. With the macro command the automatic measurement calibrates the reference point; enhance the machining accuracy. After machining, directly on-line measure the workpiece on the table; avoid the unexpected error from dismount/mount the workpiece.

Multi-workpiece machining
  • Automatic compensating the 3D flatness of workpiece.
  • Automatic compensating the parallelism of workpiece (AR)
  • Automatic machining reference point measurement.
  • Processing AWT automatic wire threading
  • Go to the next workpiece to continue processing.
Processing automation
  • Automatic compensating the parallelism of workpiece (AR)
  • Automatically calibrate the reference point
  • Processing AWT automatic wire threading
  • Automatically measure the results after machining
  • Export the measurement report
Automatic Measurement Application
Cutting Technology
TypeWithout controlUsing control
A 0 0
B 0 ~ -2 µm -8 ~ -10 µm
C 0 0
D 0 ~ -2 µm -8 ~ -10 µm
Remote Monitor System