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Efficiency
By adopting the newly developed HFR (High-Frequency Response) circuit, the fine machining efficiency is significantly improved.
Accuracy
With the latest positioning control system design, full closed-loop control as standard, and a high-rigidity machine bed, the positioning accuracy is increased by more than 30%.
System
Equipped with the most advanced 7th-generation intelligent system, which offers various shaking modes, making the operation process more convenient and simpler.
Electrical Control
Featuring the latest design concepts—local closed-type and functional module regionalization design—supplemented by constant temperature control via an electrical cabinet air conditioner, the reliability of the electrical control part is greatly enhanced, with a low failure rate.
Main Machine
Adopts automatic lifting liquid level control and automatic oil drainage, preparing for intelligent production lines. The all-new industrial aesthetic design makes the whole machine more beautiful and practical.
| Name | SF-3 | SF-4 | |
| 1 | Working table dimension(L×W) | 600×400mm(granite) | 600×400mm(granite) |
| 2 | X×Y×Z axis travel | 300×212×272mm | 452×300×300mm |
| 3 | Working tank dimension(L×W×H） | 1000×600×400mm | 1084×595×445mm |
| 4 | Highest level of working liquid | 250mm | 300mm |
| 5 | Max distance from table to electrode installation stand | 530mm | 608mm |
| 6 | Capacity of oil tank | 400L | 600L |
| 7 | Max weight of electrode | 25kg | 25kg |
| 8 | Max weight of workpiece | 400kg | 400kg |
| 9 | Weight of machine | 2500kg | 3100kg |
| 10 | Dimension of machine | 2240×2380×2260mm | 2375×2664×2370mm |
| 11 | General input | 9KVA(50A) | 9KVA(50A) |
| 12 | Input power | 3 Phase 380/50Hz | 3 Phase 380/50Hz |
| 13 | CNC control system | Windows platform | Windows platform |
| 14 | Max working current | 50A | 50A |
| 15 | Best surface finish | Ra≤0.08µm(copper electrode) | Ra≤0.08µm(copper electrode) |
| 16 | Min. wear of electrode | ≤0.1% | ≤0.1% |
| 17 | Max machining efficiency | ≥530mm3/min | ≥530mm3/min |
| 18 | Interpolation methods | Straight line, arc, helix | Straight line, arc, helix |
| 19 | Accuracy compensation options | pitch compensation of each axis, gap compensation | pitch compensation of each axis, gap compensation |
| 20 | Min. drive unit, Min command unit | 1µm | 1µm |
| 21 | Display | 24-inch touch screen | 24-inch touch screen |
| 22 | Remote control | different grades MFR0-3 | different grades MFR0-3 |
| No. | Function configuration description |
| 1 | 21-inch LCD display, touch screen input; suspension bracket |
| 2 | Windows OS comes standard with a 4-axis simultaneous control software. Optional 6-axis control software |
| 3 | Multitasking: NC files can be edited while machining, and multiple NC files can be opened and edited at the same time. |
| 4 | Real-time information display: During the processing, real-time status information such as total processing time, conditional processing time, remaining time of scheduled processing, processing speed, number of subprogram calls, orbital cutting etc. |
| 5 | Language selection: Switch between Chinese and English |
| 6 | The online help manual allows the operator to check the screen input instructions, G code instructions, discharge conditions, etc. at any time. |
| 7 | With high-speed two-stage electrode lifting function, and can periodically add an ultra-high lifting on the basis of the original high-speed lifting. |
| 8 | With real-time modification of discharge parameters, electrical parameters can be modified without pausing discharge. |
| 9 | It has the function of network sharing files and can easily upload and download NC programs by connecting to the local area network. |
| 10 | It has the super-finish PIKA circuit-mirror processing function. |
| 11 | It has a fine current control circuit to achieve more even surface finish |
| 12 | Expert processing technology database: Perform automatic and manual processing of combinations of electrode and workpiece materials: copper/steel, graphite 1/steel, graphite 2/steel, copper/aluminum alloy, graphite 1/aluminum alloy, graphite 2/aluminum alloy, silver tungsten/steel, copper Tungsten/steel, silver tungsten/tungsten carbide, copper tungsten/tungsten carbide, copper/zinc alloy, graphite/zinc alloy, copper/copper alloy. |
| 13 | AUTO processing function: Input processing information such as electrode and workpiece materials, processing area, electrode undersize value, and final processing surface roughness. The system automatically calculates processing parameters based on the expert processing technology database and automatically completes the entire process from rough machining to finishing. |
| 14 | Automatic positioning function: It has the functions of end face positioning, angle positioning, column center positioning, hole center positioning, any three-point circle center positioning, and discharge position alignment positioning. |
| 15 | Online measurement function: The automatic positioning function can be used to measure and correct the processed workpiece online. |
| 16 | Automatic arc clearing circuit: During the process of electrical discharge machining, the machining gap status is monitored in real time. When slight short circuit or arcing occurs, arc clearing processing and alarm are performed in a timely manner. |
| 17 | Safety control functions: Overload protection, code syntax detection, liquid level control, liquid temperature control, automatic fire extinguishing device. |
| 18 | Power off reset function: The machine tool can memorize the coordinate values of the current coordinate system. When encountering emergencies such as a sudden power cut, the set coordinate points can still be found after restarting. |
| 19 | Working fluid tank door control mode: manual |
| 20 | Quick liquid filling and automatic liquid unloading: The machining fluid can fill the tank within 1 minute and 30 seconds, and the machining fluid can be unloaded within one minute, reducing processing waiting time. |
| 21 | Machining fluid cooling system: The standard oil chiller can effectively cool down the machining fluid to prevent the workpiece from deformation due to temperature rise and affecting the machining accuracy. |
| 22 | Automatic lubrication system: The equipment can automatically control the volumetric lubricating oil pump, which can automatically deliver lubricating grease to various lubrication points in a regular and quantitative manner, effectively extending the service life of each component. |
| 23 | Electrical control cabinet: The fully closed electrical control cabinet can effectively prevent dust from entering, and the built-in air conditioner can effectively reduce the internal temperature of the electrical cabinet, which can greatly improve the service life of each component and the stability of the power supply device. |
| 24 | Power Supply: Standard voltage stabilized power supply provides stable voltage |
| 25 | ATC: Optional ATC to improve work efficiency |
| 26 | Optional C axis, A axis, 2-axis rotary table |
| 27 | Remote access(RMC): Optional remote access to the machine via TCP/IP to transfer and exchange data |
Standard with optical scales, closed-loop control
Abundant orbital cutting modes
Latest 7th generation Windows7/Windows 10 platform control system
Abundant interfaces for communication
Adopts automatic lifting liquid level control and automatic oil drainage,
Intelligent automatic EDM discharging machining.
Excellent performance of both cooper and graphite electrode machining.
Min machining current 0.1A.
Best surface finish Ra≤0.08µm
Imported SP grade linear guideway
C2 grade ball screw
3 years aging treatment of casting of machine.
High jump function, after serval times of regular jump discharging, Z axis move higher, and then goes with regular jump height again, it is help for deep groove and massive area machining.
Machining speed is about 30% faster than DOS platform discharging control system.
Auxiliary learning function
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