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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
What is the working principle of low-speed wire cutting processing?
Low-speed wire EDM uses a continuously moving thin metal wire (brass or molybdenum) as an electrode. By creating a high-frequency spark discharge in the gap between the wire and the workpiece, it generates localized high temperatures to melt or vaporize the material, cutting it into precise shapes.
What materials are typically processed using wire EDM?
It is ideal for processing hard materials and complex conductive metals that are difficult to machine using traditional cutting methods, ensuring precision without mechanical stress.
What are the primary applications of this technology?
Key applications include manufacturing precise mold components (cavities, cores, sliders) and producing high-precision, intricate parts like micro bearings, micro-hole components, and complex curved surfaces.
How is a machining path set up for wire cutting?
The machining path is designed using CAD software based on the part's specifications, which is then translated into CNC code to guide the wire EDM machine accurately.
What parameters need to be adjusted during cutting?
Operators set and adjust the pulse power parameters, feed rate, and discharge gap based on the material characteristics, while monitoring the process in real-time for optimal efficiency.