Petersen Precision offers:
Double Disc Grinding
Sizes to 15" square, thickness .25" to 4"
Tolerances, flat and parallel .0001/inch, finish to 16 Ra
Blanchard Grinding
Sizes to 42" diameter, 20" height, 400 pounds
Finish to 32 Ra
Sawing
Size to 6" diameter
Surface Grinding
Sizes to 10" by 30"
Tolerances, to .0001", finish to 4 Ra
Centerless Grinding
Sizes 4" diameter, 17" length
Tolerances, .0001" and better, finish to 4 Ra
ID/OD Grinding
Sizes to 6" diameter, 43" length
Tolerances, to .0001", finish to 4 Ra
Lapping
Sizes .125" to 17" diameter, 6" thickness
Tolerances, flatness to 10millionths, finish to 2 Ra
Broaching
Through hole sizes to 2", call for details
Steve Hewitt
(650) 556-5844 direct
Wayne Buchanan
(650) 556-5847 direct
Peter Partridge
(650) 556-5820 direct