For Machines Mfg. Since 8/09 | T R O U B L E S H O O T I N G | Model SB1023 |
Symptom
Possible Cause
Possible Solution
Vibration when grinding, poor surface finish, or incorrect final dimensions.
1.Grinding wheel is
2.Grinding wheel is out of balance or damaged.
3.Missing or torn grinding wheel paper washers.
4.Incorrect grinding wheel hardness or grit rating.
5.Improperly installed magnetic chuck.
6.Workpiece is loose.
7.Wheel hub not installed onto spindle shaft correctly.
8.Loose machine component.
9.Ways or leadscrews are out of lubrication or contaminants have loaded up on the ways.
10.Headstock is loose.
11.Grinding wheel has varying densities, or is of poor quality.
12.Table and handwheel have lash.
13.Table is loose.
14.Grinding operation requires coolant.
15.Coolant is incorrect or incorrectly mixed.
16.Bad motor or spindle bearings.
1.Dress grinding wheel to make concentric and to the required grit level (Page 25).
2.Remove, and ring test, and balance the grinding wheel (Page 20 & 26).
3.Remove and replace paper washers, dress and rebalance grinding wheel.
4.Match wheel grade and grit rating with workpiece hardness.
5.Stone table and chuck surfaces, and remove all burrs and foreign material from mating surfaces, and reinstall the chuck.
6.Replace or repair chuck for poor holding power.
7.Remove wheel and hub assembly, stone taper high spots or dings, and reinstall wheel and hub (Page 22).
8.Inspect all machine connections, and tighten any loose fasteners.
9.Remove table, clean and relubricate the ways and ball bearings (Page 30).
10.Tighten column gib (Page 32).
11.Replace grinding wheel with acceptable brand (Page 20).
12.Adjust cross feed leadscrew halfnut (Page 32).
13.Adjust cross feed gib (Page 32).
14.Install aftermarket coolant kit.
15.Refer to coolant manufacturer's workpiece verses coolant type recommendations and correct coolant.
16.Replace motor or replace bearings.
