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How do you accurately measure and probe the center of EDM drilling electrodes?

How do you accurately measure and probe the center of EDM drilling electrodes?

Aug 10, 2022 | Elements of EDM, General, Small Hole | 0 comments

Verifying and finding the center of an EDM drilling electrode can be a delicate and troublesome task, especially as the electrode diameters become smaller (0.5mm / 0.020” Ø or smaller). To find the center of a tube electrode, utilize a table ball within the machine’s...
What characteristics should be examined when comparing wire types? (Part 2 of 2)

What characteristics should be examined when comparing wire types? (Part 2 of 2)

Jul 20, 2022 | Elements of EDM, General, Wire | 0 comments

There are several key characteristics that should be evaluated when evaluating a new wire type or brand.  4 Main Wire Characteristics CleanlinessWire memory and threading capabilitiesCutting performanceVariation of the wire by batch A previous article reviewed...
What characteristics should be examined when comparing wire types? (Part 1 of 2)

What characteristics should be examined when comparing wire types? (Part 1 of 2)

Jul 6, 2022 | Elements of EDM, General, Wire | 0 comments

This is a great question that applies to both plain brass and coated wires.  When comparing wires, several characteristics and attributes should be examined, especially when trying the first spool of a new wire brand or type. Price alone is not a good...
What’s the best way to create a 4-Axis program to ensure the best accuracy and eliminate wire lines and facetted geometry?

What’s the best way to create a 4-Axis program to ensure the best accuracy and eliminate wire lines and facetted geometry?

Jun 22, 2022 | Elements of EDM, General, Wire | 0 comments

This question hits on many areas that relate to the machine as well as CAM system programming techniques.  Here are a few items to address and review for best results: MACHINE ITEMS: Maximum Taper Angle: It’s important to identify the maximum taper angle that a...
What is the proper programming format for a tapered or 4-axis profile that requires the manual wire threading of an angular start hole on a wire EDM machine?  

What is the proper programming format for a tapered or 4-axis profile that requires the manual wire threading of an angular start hole on a wire EDM machine?  

May 11, 2022 | General, Wire | 0 comments

Angular start holes commonly occur when machining mold tooling lifter pockets and ejector pin details. As part of this process, a position for manual wire threading needs to be determined within the profile, and a M01 Stop Point should be created within the NC...
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