We grind precision profiles in P/M tool steels and tungsten carbide on surface grinding machines with a Diaform. (CNC Diaform in one case). Initial trials with a vitrified porous CBN wheel showed it cut cool and quickly and with a lot less dressing than we would normally, and surprisingly for us it worked well on Tungsten Carbide. The snag is forming the profile in the wheel (such as gear teeth). With the Diaform single point chisel we went through several diamonds. I realise we are supposed to use a rotating diamond coated wheel to dress. Has anyone tried converting a Diaform or found inexpensive alternative solutions, other than using a profiled dressing wheel (which will take too long to get), or having a proper CNC machine (expensive!).
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Dressing profiles in Vitrified CBN wheels - with a Diaform
- Thread starter Womble17
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womble17,
Usually single point is not recomended. Wear too fast due the wheel high surface speed . I have some experience with electroplated diamond dresser (rotative) with 2 axis interpolation dressing. It's seams to be simple, but you must choose the right dressing parameters (qd and vd) due your requirements of surface quality.
biffi
Usually single point is not recomended. Wear too fast due the wheel high surface speed . I have some experience with electroplated diamond dresser (rotative) with 2 axis interpolation dressing. It's seams to be simple, but you must choose the right dressing parameters (qd and vd) due your requirements of surface quality.
biffi
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