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Posts Tagged ‘wire EDM’

Comparing EDM with conventional machining

Manufacturing engineers turn to EDM when milling, turning and grinding aren’t up to the task. It’s as if it’s a binary choice: if machining isn’t possible then chose EDM. The reality is more complex. There’s a significant middle ground where EDM and conventional processes go head-to-head. Yes, the wire EDM cutting rate is lower than…

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Let EDM be your secret weapon

Thin walls, tight internal radii, tapers, deep blind pockets in hard materials. Sometimes it seems designers are just trying to find the limits of what manufacturing can do. It’s as if they’re hoping manufacturing will say, “Can’t be done.” The thing is, if manufacturing only has access to conventional machining processes they’re probably right. Some…

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How accurate is wire EDM?

It’s only natural that designers and toolmakers should ask about the precision of EDM. Knowing the capabilities of the process informs design decisions and influences costs. Whether the parts being made are surgical instruments, extrusion dies, or aerospace components, it’s important to know what tolerances are achievable. Unfortunately, there’s no simple answer. While accuracies of…

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