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dmncedm · 3 years

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ZNC Die Sinking EDM Machine

ZNC electrical discharge machining machine is the traditional type with X and Y axis manual control, usually operator needs to manually move the working table to the location of where to do spark eroding on the workpiece. Z axis is automatically controlled by servo motor, operation of ZNC EDM machine is simple compared to CNC die sinking EDM. Due to the limitation of no control of X and Y axis, ZNC EDM machine can't do simultaneous orbital machining, even use an orbital cutting head, the result of accuracy and surface is not as good as what can achieve on CNC EDM machines. But thinking about the cost of ZNC EDM, it's ideal for the start or jobs without a strict requirement of accuracy and surface finish.

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ZNC Die Sinking EDM Machine Highlights

Original Taiwan C-Tek controller, LCD monitor, Industrial Computer Controller.

High accuracy X, Y, Z three axes C3 grade Taiwan made ball screw.

Z axis imported Japanese Sanyo servo motor control.

Three axes DROs of 0.005mm resolution.

Resin sand casting as machine body and inner stress removed to make sure long-time rigidity and stability.

Z axis is equipped with a high precision roller guideway with a Japanese SANYO DC servo motor, to make the movement of Z axis more sensitive and smoother.

The machine has a wide machine base to make sure the machine is strong enough for heavy loading, X. and Y axis have V shape and flat guideway with FEFLON wear-resisting sticker, movement of heavy load is smooth and light, with no crawling phenomenon.

Working lamp, fire extinguisher and lubrication unit, and patented electrode holder are all Taiwan made.

ZNC Die Sinking EDM Machine Function Characteristic Introduction of Control System

More than 20,000 units of programming storage capacity. Normally, more than 20,000 different programmings of mold or customer numbering can be stored

With a mirror surface processing circuit, a true mirror effect can be performed. Furthermore, it is even better to use orbital processing and powder mixing processing.

10 segments auto-editing function. ① Manual edit: edit machining condition by experience. ②AUTO Z auto edit: Max. Depths, initial current and finished process, machining area selection are provided, and then machining condition edit can be finished automatically. ③ Intelligent condition edit electrode shape, electrode and workpiece material, workpiece section area and finished precision selection, depth setting area are provided, and then machining condition can be complete at a time by the way of a rough→moderate→fine.

X, Y, Z-axis coordinate are switch with Metric and English system

If machining is unstable, the discharging condition is auto-adjusted by modifying discharging efficiency and working time. After that, the condition will restore automatically. And it is also adjustable at any time.

Auto arcing detecting function, if unsteady caused by arcing occurs, the computer will adjust machining parameters and rise to jump up height, then the normal condition would return.

If could set that after 2~10 times discharging (jumping up control), the electrode will be raised (safe height Z) to the set arbitrary position and continue machining. This could achieve good slagging off performance for deep hole machining.

The function of avoiding second discharging and carbon deposition rapid raising or discharging boundary searching rapid rising.

Power control (equal energy) function for homogenizing machining effect. And this function could be switched off to accelerating graphite electrode machining.

Generator new design conforms to a power supply box and 15-inch LCD display criterion of European CE safety regulation, which is dustproof, waterproof, electric noise-proof and circuit board life could also be raised.

Industrial class PC-based controller is applied, and the traditional hard disk is substituted by new DOM type memory, which enables faster and more steadily speeds of file reading and it is more suitable for industry application.

Up discharging (reverse machining) function makes special machining easier.

Two independent machining coordinates. The male die and female die could be parted or machined in different coordinates.

After power off, system restarts and automatically reloads previous machining condition and coordinate of last time, so discharging could be finished by pushing remote control box without panel operation

Two jumps up to speed type, which serve speed could be raised when no electrode deformation and big area machining efficiency could also be raised.

Separately storage of coordinate and machining data and same machining condition could be rapidly added in different part machining.

Two high voltage circuits could be set in partial voltage or partial current according to the customer's need

Arcing detection setting function could start the carbon deposition hardware detecting circuit, and every charging pulse could be detected and the current will be cut off when an abnormal pulse occurs. So no short circuit is caused by a short circuit

Discharging high voltage pulse control, which enables the settings of different high voltage pulse types and it could go with machining speed and electrode wear.

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DIE SINKER EDM MACHINE FAQS

The Mostly Asked Questions about Die Sinker EDM Machines

What's EDM die sinking machining (EDM forming machining)?

The EDM die sinker machine is able to cope machining by prepared electrodes, the cavity that created is the same as the profile of the electrode. EDM spark erosion machining can process punches, drawing dies, and extension dies of various types of holes; process various forging dies, extrusion dies, plastic injection molds and extrusion dies; and also process various small holes, deep holes, heterosexual holes, and curved holes, and special materials with complex-shaped parts, etc.

Uses of EDM machining technology

(1) Processing various technologies and their alloy materials, conductive super-hard materials (such as polycrystalline diamond, cubic boron nitride, cermets, etc.), special heat-sensitive materials, semiconductor, and non-semiconductor materials.

(2) Processing various kinds of complex-shaped hole and cavity workpieces, including processing round hole, square hole, polygon hole, special-shaped hole, curved hole, threaded hole, micro hole, deep hole and other type hole workpieces, as well as various types Face cavity workpiece. For example, processing exceptionally large molds and parts ranging from a few micrometers of holes and grooves to several meters.

(3) Cutting of various workpieces and materials, including cutting of materials, cutting of parts with special structure, cutting of fine narrow slits and parts composed of fine narrow slits (such as metal grid, slow wave structure, heterogeneous orifice spinneret, laser Pieces, etc.).

(4) Processing all kinds of forming parts such as forming knives, samples, tools, measuring tools, threads and so on.

(5) Grinding of workpieces, including small holes, deep holes, inner circles, outer circles, flat surfaces, etc. and profile grinding.

(6) Engrave and print nameplates and marks.

(7) Surface strengthening and modification, such as high-speed quenching of metal surfaces, nitriding, carburizing, coating of special materials and alloying, etc.

(8) Auxiliary uses, such as removing taps and drill bits from parts in this segment, repairing worn parts, etc.

What is the EDM machine meaning in the metal working industry

Electrical spark erosion, also known as electrical discharge machining and electrical corrosion machining, called electrical discharge machining in Japan and electrical corrosion machining in the former Soviet Union. It is a method of processing the metal workpiece by utilizing the phenomenon of electric corrosion generated during the pulse discharge between the two poles (electrode and workpiece, should be conductive). Academically it belongs to the category of electrophysical processing. EDM technology is one of the most important parts of special machining technology.

What is the advantage of electrical discharging machining against traditional metal working method?

Answer: With the development of industrial production and the advancement of science and technology, more and more new materials with a high melting point, high hardness, high strength, high brittleness, high viscosity, high toughness, high purity and other properties continue to appear, and also some with various complex structures that can’t be machined by traditional metal working method, sometimes difficult or impossible to process. With traditional metal working technology.

Therefore, in addition to further development and improvement of traditional mechanical metal working methods, people also strive to find new processing methods. The electrical discharging machining (EDM) method can meet the needs of development, and shows many excellent performances in the application, so it has been rapidly developed and increasingly widely used.

Characteristics of EDM die sinking machining

(1). During machining, the tool electrode and the workpiece material are not actually touching and there is basically no macro-mechanical force between the two. Therefore, the "soft" tool electrode can be used to process the "hard" workpiece. For example, graphite and copper electrodes can process hardened steel, cemented carbide, and even diamond.

(2). Because the spark energy density of the high-frequency power discharging can be accurately controlled, and there is no macro mechanical force between the two poles (electrode and workpiece), so the precise and fine machining can be achieved. Such as the processing of narrow slits, narrow grooves, micro-small holes of molds and parts, the processing accuracy can reach micron level, even sub-micron level.

(3) "Copying". With direct use of electrical power for processing, it is easy to realize the automation, intelligence, and application of modern computer control technology to precisely control the machining process, which makes the machining of workpieces more realistic.

(4) Direct use of electrical energy for processing, which is convenient for automation of the machining process, and can reduce mechanical processing procedures, shorten processing steps, low labor intensity, and easy to use and maintain

https://www.dmncedm.com/products/znc-die-sinking-edm-machine/

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