South Bend Tools
For Machines Mfd. Since 12/21
Model SB1102
-43-
TROUBLESHOOTING
Sandpaper comes
off drum or is loose.
1.
Sandpaper not properly wrapped
around drum.
1.
Re-install sandpaper (Page 23).
2.
Sandpaper not cut to correct
dimensions.
2.
Cut sandpaper to correct dimensions; re-install
(Page 23).
3.
Torn or damaged sandpaper.
3.
Replace sandpaper (Page 23).
4.
Sandpaper not tightened or
fastened correctly.
4.
Re-install sandpaper (Page 23).
5.
Sanding drum not parallel with
table.
5.
Adjust sanding drum parallel with table (Page 31).
6.
Foreign object in workpiece.
6.
Sand only clean workpieces.
Symptom
Possible Cause
Possible Solution
Excessive snipe.
1.
Workpiece too long to be supported
without additional help.
1.
Use an assistant or roller stands/table on infeed and
outfeed ends of conveyor to keep workpiece from
bending.
2.
Improper pressure roller tension.
2.
Adjust pressure rollers (Page 34).
Sanding grains
easily rub off roll.
1.
Sandpaper stored in improper
environment.
1.
Replace damaged sandpaper (Page 23); store
sandpaper in cool, dry place.
2.
Sandpaper has been damaged or
folded.
2.
Replace damaged sandpaper (Page 23); do not bend
or fold sandpaper.
Glazed workpiece
surface after
sanding.
1.
Sanding wet stock.
1.
Only sand dry stock with moisture content below
20% (Page 19).
2.
Sanding stock with high amount of
applied finishes.
2.
Use different stock, or accept characteristics
of stock and plan to clean/replace sandpaper
frequently; remove applied finishes before sanding.
3.
Sandpaper loaded with sawdust
and gum.
3.
Clean sandpaper (Page 25).
4.
Sandpaper worn or damaged.
4.
Replace sandpaper (Page 23).
Burn marks on
workpiece.
1.
Using too fine of sandpaper grit for
depth of cut/feed rate too slow.
1.
Use coarser grit sandpaper, reduce depth of cut,
and/or increase feed rate (Page 21).
2.
Sandpaper loaded with sawdust
and gum.
2.
Clean sandpaper (Page 25).
3.
Sandpaper not properly wrapped
around drum.
3.
Re-install sandpaper (Page 23).
4.
Sandpaper worn or damaged.
4.
Replace sandpaper (Page 23).
Sandpaper clogs
quickly.
1.
Sanding depth of cut too much or
feed rate too slow.
1.
Reduce depth of cut or increase feed rate (Page 21).
2.
Workpiece has high moisture
content or sap.
2.
Use different stock, or accept characteristics of
stock and plan on cleaning/replacing sandpaper
frequently; remove applied finishes before sanding.
3.
Incorrect sandpaper grit.
3.
Use correct sandpaper grit for operation (Page 19).
4.
Poor dust collection.
4.
Unclog ducts; close gates to improve suction; re-
design dust collection system.
5.
Sandpaper loaded with sawdust
and gum.
5.
Clean/replace sandpaper (Page 25).
6.
Worn sandpaper.
6.
Replace sandpaper (Page 23).
Содержание SB1102
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