CNC 450 EDM Drill Machine

CNC 450 EDM Drill Machine Product Introduction :

Processing principle
Using electrode tubes (brass tubes, purple copper tubes) as processing electrodes, utilizing the principle of electric discharge erosion, a high-frequency pulse power supply is applied between the electrode (hollow copper tube) and the workpiece to form a small pulse width and high peak current discharge machining, supplemented by a high-pressure water pump for cooling and slag removal, greatly accelerating the erosion speed of the workpiece.

Applicable scope
1. Suitable for machining deep small holes with diameters ranging from 0.15mm-3mm on various conductive materials such as stainless steel, quenched steel, copper, aluminum, and hard alloys. It can directly penetrate and process irregular shaped surfaces such as slopes and surfaces.
2. It is mainly used for the processing of small holes on the mold, as well as the threading holes, the spinneret holes of the chemical fiber spinneret and spinneret, the group holes of the filter plate and sieve plate, the cooling holes of the discharge motor blade and the cylinder body, the oil and gas path holes of the hydraulic pneumatic valve body, etc; It can also be used to remove drill bits and taps that are broken in the workpiece without damaging the original hole or thread.
3. Use purified water or tap water as the processing coolant.

Features and functions
1. The machining hole information input by the user is saved in the system’s storage medium in the form of a file for multiple users to avoid frequent input after turning off the power. And it can save multiple machining hole information, and can edit and save the original machining again.
2. In the unprocessed state, the machining trajectory line can be displayed in the hole position schematic area to simulate the machining sequence.
3. During the multi hole machining process, it is possible to forcibly exit the current hole machining and proceed to the next hole for machining.
4. During the machining process, if you need to replace the electrode, simply click the 【 Replace Electrode 】 button. The Z-axis of the system will automatically rise to a certain position. After manually replacing the electrode, click this button again to restore the machining status, which is convenient and efficient.
5. For machining multiple holes, the CNC system can add hole information in two ways: (1) Add hole information one by one, suitable for adding scattered and irregularly distributed holes. (2). Formula adding hole information is suitable for hole information with certain distribution rules. The hole information can be changed, added, or deleted at any time according to the machining needs, and the machining order of the holes can be adjusted.
6. Bed structure: Box shaped design and meticulous rib support, with HT200 casting for drag plates and columns. The bed is thick, rigid, and unchanging in shape.
7. Linear guide rail: Taiwan linear guide rail, designed with full stroke support, precise and durable maintenance.
8. Precision ball screw: X/Y/Z three-axis configuration with Taiwan Dinghan precision ball screw.
9. X and Y motors: driven by stepper subdivision motors, further improving the machining accuracy of the machine tool. Advanced undamped protection, no need for reverse clearance compensation; Prevent the machine tool from crawling.
10. Z-axis motor: Adopting AC deceleration motor, with fast lifting speed and high sensitivity.
11. Convenient Workbench: Mobile double strip workbench support fixture, which is conducive to workpiece clamping and reduces power consumption.
12. Three axis CNC system of Shanghai Jiaotong University: the CNC system adopts encoder/player architecture, and the CNC encoder realizes the management of engineering documents such as CNC process database files and CAD. G codes.
13. Rotating head: National patented rotating head, using hard alloy end face sealing technology to ensure long-term water leakage.
14. Workbench : Made of grade 0 high-precision marble.
15. Lubrication system: Convenient oil lubrication method, safe and reliable, maintaining sufficient lubrication for mechanical movement, better maintaining machine accuracy and extending machine service life.
16. circuit system: modular design, machine tool electrical appliances, high-frequency power supply, CNC system, scientific integration. The overall structure of the machine is compact and reasonable in layout, with strong anti-interference ability, good reliability, environmental protection, energy conservation, and compliance with ergonomic standards, emphasizing user-friendly standards.
17. pulse power supply: High performance, high-power, effectively achieving high efficiency and micro hole processing, and can efficiently process various types of mold steel, aluminum, copper, aluminum alloy, titanium alloy, hard alloy, conductive ceramic, and superconducting hot material.
18. Electric control testing: All components of the system control board are strictly aged and screened. Full load of 40 ℃ for 100 consecutive hours; Impact load 50 ℃, intermittent for 100 hours.
19. Control host: (1) Sufficient hardware configuration inside the industrial control computer: it can be effectively implemented, and programming and control can be completed in a time-sharing manner; Real time tracking and display of machining trajectory. (2) The host has stable performance and can work continuously for 365 days without interruption. And it is equipped with RS232 interface, USB interface, network card interface, keyboard and mouse.
20. Display screen: anti-interference 21 inch touch screen. Industrial dedicated imported touch screen with high resolution, anti electromagnetic interference, clear tracking and display of processing trajectory during processing, completely solving the problem of blurred screen, shaking screen, and black screen.
21. The rotating head of the motor adopts tungsten steel wear-resistant plates and multiple waterproof structures to ensure the concentricity of the chuck rotation.
22. The maximum stroke of the Z-axis is 400mm, which can clamp a 500mm long electrode at once, and the waste of the electrode tube is relatively low.
23. The maximum processing depth to diameter ratio is 300:1
24. The maximum perforation speed is 30-60mm/rpm
25. Replacing traditional analog high-frequency with digital high-frequency, more accurate; PWM special pulse sending port, canceling the Dip switch, more stable; High frequency soft start function, with no burrs on the machined surface.
26. Equipped with depth determination function: using encoding disc counting, orthogonal decoding of phase A and phase B, strong anti-interference ability, and more accurate depth determination.
27. Equipped with one click machining function: drilling requires only one click.
28. Equipped with intelligent tool lifting function: set the thickness of the workpiece, puncture the workpiece, and automatically lift it to the surface of the workpiece after one click processing.
29. Limit function: When reaching the lower limit, it will automatically rise to the top. If you want to change the copper tube midway, just press the change copper tube function, and you can also directly rise to the top.

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