Fun Facts About Wire EDM
Release date:
2022-04-18
The medium‑speed wire electrical discharge machining (MS‑WEDM) machine falls under the category of reciprocating high‑speed wire EDM machines and incorporates multiple cutting capabilities. It is commonly referred to as “in‑line cutting.”
The medium‑speed wire electrical discharge machining (MS‑WEDM) machine falls under the category of reciprocating high‑speed wire EDM machines and incorporates multi‑pass cutting capabilities. It is commonly referred to as “in‑line cutting.”
Its operating principle relies on a continuously moving molybdenum wire—known as the electrode wire—as the electrode, generating pulsed spark discharges to erode metal and shape the workpiece. In wire EDM, the machining quality is often compared to that of conventional wire cutting; more precisely, in wire EDM, the “fast‑wire” process enhances product performance: it allows for multiple passes with fast wire, yet its machining and cutting speeds are not slower than those of fast wire—in fact, they are higher. Only during repeated cutting does the cutting speed decrease, at which point the calculated efficiency reflects an average rather than a peak value, and the resulting surface finish approaches that of slow‑wire EDM. Wire feed speed is automatically controlled by the system and can be adjusted as needed.
It features multi‑cut capability—operating on the same basic principle as slow‑wire EDM. During machining, the control system automatically adjusts process parameters—including high‑frequency pulse width, pulse interval, number of power tubes, and wire feed speed—based on the program prepared by the user. Moreover, during operation, users can manually modify workpiece‑specific parameters to make appropriate adjustments.
Building on the advantages of wire EDM—namely its simple structural design, low cost, excellent process‑research results, and minimal consumable requirements during operation—medium‑speed wire EDM incorporates advanced concepts from international precision mold‑making equipment and multi‑pass cutting control technologies used in slow‑wire EDM. At the same time, continuous hardware upgrades have enhanced both the accuracy and stability of Chinese machine tools. Compared with fast‑wire EDM, medium‑speed wire EDM is more user‑friendly, easier to operate, and applicable to a broader range of industries. As such, it has ushered in a veritable social revolution for the mold‑making sector, significantly addressing the longstanding issue of poor machining quality associated with fast‑wire EDM while substantially reducing manufacturing costs across the mold industry. In short: medium‑speed wire EDM offers the price of fast‑wire EDM with the quality of slow‑wire EDM!
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