- Type 3 Rolls - are Full Profile for checking Functional Diameter - Full ribbed rolls for functional sizes Full ribbed rolls for functional sizes
coarser than 48 T.P.I (For 48 T.P.I - Type 4 Rolls - are Cone & Vee Single Element for checking Pitch Diameter - Two ribs (“vee type”) on lower rolls Two ribs (“vee type”) on lower rolls
(1 and 3) One rib (“cone type”) on (1 and 3) One rib (“cone type”) on upper roll (2) Flank contact limited upper roll (2) Flank contact limited to .1 pitch. - Type 5 Rolls - are Best Wire Radius Single Element for checking Pitch Diameter - Single ribs only w/ Single ribs only with “Best Wire” size th “Best Wire” size
radius for any given pitch (T.P.I) radius for any given pitch (T.P.I)
