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Tungsten cutting with wire
- Thread starter customlll
- Start date
- Replies 4
- Views 1,871
Space
Cast Iron
- Joined
- Oct 29, 2001
- Location
- Columbus, Ne, U.S.A.
The speed is about 1/3 to 1/4 the speed of cutting steel. We cut a lot of tungsten welding electrodes, and use the same settings we use for steel to start out with and adjust to suit. Mark
TheMetalDoctor
Titanium
- Joined
- Oct 26, 2001
Mark is right, figure 4X the cutting time and you will be safe.
TMD
TMD
EDM AE
Aluminum
- Joined
- Jul 11, 2005
- Location
- California
Pure tungsten typically cuts about 25% as fast as steel of the same thickness. High tungsten alloys (usually 95-97%) can be cut slightly faster than pure tungsten since you are mainly "releasing" the tungsten from a binder material which has a considerably lower melting point, as you would with carbide, but at that point you will also have binder depletion to contend with. I recently cut "commercially pure" (99.9%) tungsten at a little over 2" thickness with stable operation at around .055"-.060" per minute with "not-so-great" flushing. (coated wire, of course) .040" or so per minute would seem reasonable for quoting purposes.
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