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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.
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
What is the working principle of low-speed wire cutting (Wire EDM)?
Wire EDM uses a thin metal wire as an electrode (typically brass or molybdenum) that moves between two conductive rollers. A high-frequency pulse power supply generates spark discharges in the gap between the wire and the workpiece, creating local high temperatures that melt or vaporize the material to cut it into the desired shape.
What materials are the electrode wires typically made of?
The thin metal wire used as an electrode in low-speed wire cutting processing is typically made of brass or molybdenum.
What are the primary applications of low-speed wire cutting?
It is primarily used for manufacturing precise mold components (such as cavities, cores, and sliders), machining hard or difficult-to-process materials, and producing high-precision parts (such as micro bearings, micro-hole parts, and complex curved surface parts).
How is the machining path designed for Wire EDM?
The machining path is designed using CAD software based on the part's drawings, which then generates the corresponding CNC code for the machine to follow.
What parameters need to be configured before starting the cutting process?
Before cutting, you must set appropriate pulse power parameters, feed rate, and the discharge gap based on the specific material characteristics and machining requirements.
How is quality maintained during the cutting process?
Quality is maintained by securing the workpiece properly on the worktable, monitoring the machining process in real-time once the wire EDM machine starts, and adjusting parameters as necessary during the run.