China National Machinery & Technology (Tianjin) Co., Ltd.

Technical Performance of the ZNC System:
● LCD display with computer-aided logic control system
● Automatic ARC (Carbon Deposits Sensitivity) anti-carbon deposit inspection device to prevent workpiece damage
● Very large-scale integrated circuit, power transistors use composite high-power VMOS field-effect transistors
● Large area and deep gap separate design
● High-voltage overlapping synchronous discharge system
● Equal pulse width energy output
● Ultra-fine machining circuit
● Voltage regulation capability ±10%
● Separate circuits for copper and graphite electrodes, individual parameter machining
● Fuzzy control, input machining information, the rest is completed automatically
● Automatic editing of discharge parameters, and selection of rough, medium, fine, and ultra-fine machining conditions
● Automatic matching of machining parameters according to electrode shape and material (this technology is unique to our company)
● Ultra-precision Z-axis machining position repeat confirmation
● Nine-segment programming input, enabling one-time machining from rough to fine
● Periodic electrode return can be set during deep machining for more thorough chip removal
● Optional pulsed oil flushing function for more convenient machining
● The circuit has multiple safety devices:
⑴ Self-diagnostic system and LED (light-emitting diode) status display for easy maintenance
⑵ Oil level control, automatically stops the processing device when the oil level is below the set safe height
(3) Oil temperature control, automatically stops the processing device when the oil temperature is above the set safe temperature
(4) Automatic fire alarm detection device, automatically cuts off the power supply in case of early warning
(5) Limit height protection, automatically lifts the tool to a safe position when the processing depth is reached
(6) Powdered automatic response fire extinguisher, high safety, no pollution, does not damage the machine tool and mold
(7) Carbon deposit retraction safety protection device

Machine tool features
● The machine tool structure is designed by computer tensile, compressive and reactive force analysis to maintain the machine tool accuracy for a long time
● The machine tool structure is reasonable, does not deform, has good rigidity, and ensures processing accuracy
● Z-axis precision "pre-tightened" double nut Taiwan-made ball screw. The slide rail features a V-shaped and flat design, ensuring smooth and precise sliding even under heavy pressure.
● The Z-axis uses a DC servo motor.
● Triple safety detection includes infrared fire detection, liquid level control, and automatic fire extinguishing equipment.
● It uses either a Taiwan WALRUS oil pump or an Italian PEDROLLO oil pump.
● Feedback from a 5µm or 1µm precision grating ruler enables closed-loop control.
● It allows for flexible slag removal methods such as flushing or pumping, and also offers the option of non-oil immersion machining.
● Suitable for machining copper, graphite, and steel, including cavities, holes, and specially shaped parts. The lubrication system employs a recycling method, completing the slide rail lubrication process in one operation and maintaining a clean appearance.