I've been looking for an affordable cast iron lapping plate, preferably 3 of them but have not had any luck. I have a bunch of CRS available so I cut and ground a pair of 4" round steel plates and a 4x6 plate. My question is if these will work for lapping my stones and whatnot? I realize that cast iron is the proper material for lapping do to its greater stability and porous structure for retaining the compound, but these were free.
Can anyone comment on rather or not I can expect these to work? I lapped them to one another from the grinder with 40 micron diamond compound and they seem to work so far. Eventually I might buy a couple flat cast angle plates and convert them if no lapping plates turn up. Anyone know of a good supplier to get them cheap?
Can anyone comment on rather or not I can expect these to work? I lapped them to one another from the grinder with 40 micron diamond compound and they seem to work so far. Eventually I might buy a couple flat cast angle plates and convert them if no lapping plates turn up. Anyone know of a good supplier to get them cheap?