face + heel = 75 or 80

[papart1]

This formula was posted by a member of this forum but I can't remember when or by who, I would please like this clearifyed to the best of this combination and where it is best used. paps

 

[jerrywh]

I have posted this before. The face angle combined with the heal angle should not exceed 80 degrees or the graver will not stay in the metal because while atempting to cut the face will be perpendicular to the metal or near so. Think about it.

 

[papart1]

Thanks Jer, I was not sure, but your quick response saved my life again!!!!! Respectfully Submitted, Rob