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The efficiency of low-speed wire cutting processing
Working Principle
Wire EDM uses a thin metal wire as an electrode, typically made of brass or molybdenum. During machining, the wire continuously moves between two conductive rollers and maintains a gap with the workpiece. A high-frequency pulse power supply generates spark discharges between the electrode wire and the workpiece, causing local high temperatures that melt or vaporize the workpiece material, gradually cutting it into the desired shape and size.
Applications & Capabilities
Manufacturing precise mold components such as mold cavities, mold cores, and mold sliders.
Machining hard materials or materials that are difficult to process with traditional cutting methods.
Producing high-precision parts such as micro bearings, micro-hole parts, and complex curved surface parts.
Machining Steps
1
Design Machining Path
Based on the part's drawings, use CAD software to design the machining path and generate the corresponding CNC code.
2
Install Workpiece
Fix the workpiece on the worktable, ensuring its position and clamping method meet the machining requirements.
3
Set Machining Parameters
Set appropriate pulse power parameters, feed rate, discharge gap, etc., based on the material characteristics and machining requirements.
4
Perform Cutting Machining
Start the wire EDM machine, follow the set machining path for cutting, monitor the machining process in real-time, and adjust parameters as necessary.
Frequently Asked Questions (FAQ)
What is the working principle of low-speed wire cutting (Wire EDM)?
Wire EDM uses a thin metal wire (brass or molybdenum) as an electrode that moves between conductive rollers while maintaining a gap with the workpiece. A high-frequency pulse power supply generates spark discharges to melt or vaporize the material, cutting it into shape.
What materials are typically used for the electrode wire?
The electrode wire used in low-speed wire cutting is typically made of thin metal materials, most commonly brass or molybdenum.
What kinds of parts can be manufactured using this process?
It is widely used to manufacture precise mold components (such as cavities, cores, and sliders) as well as high-precision parts including micro bearings, micro-hole parts, and complex curved surfaces.
Is wire EDM suitable for hard materials?
Yes, wire EDM is highly effective for machining hard materials or materials that are difficult to process with traditional mechanical cutting methods.
How is the machining path designed?
The machining path is designed using CAD software based on the part's technical drawings, which is then translated into the corresponding CNC code for the machine to execute.
What parameters need to be set before cutting?
Operators must set appropriate pulse power parameters, feed rates, and discharge gaps based on the specific material characteristics and machining requirements.