View Full Version : Gib wear - worth shimming?

07-15-2003, 12:15 AM
The Y axis Gib on my mill has no adjustment left on it. The gib itself looks good, not obviously worn. Is it worth my while shimming the back of the gib to take up the slack? About 5 thou does it. However I think retaining it in position will be tough - also there is the onehot groove to be slotted out. I also wonder if the stainless steel shim might groove the way if it moves around a bit.

07-15-2003, 12:50 AM
Shim it with heavy brass and pin it to the backside.

07-15-2003, 02:31 AM
Go to a hobby shop. They will have brass shim stock in sizes from 2 thou to 30 thou or heavier. It will work.

07-15-2003, 10:05 AM
Experiment on a scrap piece of C.I. and try
"Loctite or Supa Glue " as you have some area of contact and glue brass shim to back
side of gib as it will not be subjected to
any movement. Clamp securely and let dry/cure thoroughly. Use thicker than needed to allow for future adjustment. If it needs to be removed use Ladies "Nail polish remover" soak it and it will come off clean.

Paul Gauthier
07-15-2003, 10:30 AM
If your surfaces are oil free Brownells Acra-Glass Gel will hold it to the next ice age.

Paul G.