Spin and oscillation
The spindle turns the sleeve while also moving it up and down. Because the sleeve moves up and down, the abrasive does not work against the edge on one band of the sleeve only. JET states the JBOS-5's motion precisely: 1,725 rpm, and 30 oscillations a minute over 1 in. The work rests flat on the table and is fed against the sleeve and turned along the curve.
Sleeves, table and inserts
| Specification | JET JBOS-5 |
|---|---|
| Spindle speed | 1,725 rpm |
| Oscillation | 30 a minute, 1 in of travel |
| Sleeves | 1/4 to 2 in diameter |
| Table | 14-1/2 × 14-1/2 in, tilting 0–45° |
| Inserts | One per spindle size; oblong inserts for a tilted table |
| Dust | Hose port |
From JET's owner's manual for the JBOS-5.
- The sleeve sets the curve. A sleeve can sand an inside curve no tighter than its own radius; a range of sleeves, as JET supplies, covers tight and gentle curves.
- Inserts. JET says always to use a table insert, chosen to match the spindle, so the gap around it is small and the work cannot be drawn in. For a tilted table, the manual specifies oblong inserts.
- Tilt. Tilting the table puts a bevel on a curved edge; JET's tilts from 0 to 45°.
- Outside curves and straight edges are work for a belt or disc — see benchtop sanders.
Safe use by the manual
JET's manual says to unplug the sander before changing spindles or sleeves and to keep fingers clear of the spindle. Connect the dust port to extraction: OSHA lists respiratory illness and cancer among the effects of wood dust, and its preferred control is exhaust at the source. Grit choice follows the same sequence as any sanding — see how to sand wood and the grit chart.
Using a spindle sander
- Unplugged before changing a spindle or sleeve
- A sleeve no larger than the tightest curve
- The matching table insert fitted; oblong for a tilted table
- Work flat on the table, turned along the curve
- Fingers clear of the spindle
- Dust port connected to extraction
Sources
Figures are JET's for the JBOS-5 from its owner's manual. Other spindle sanders and combination belt-and-spindle machines have different oscillation figures that could not be confirmed from their makers, so none are given.
- 1.
JBOS-5 Benchtop Oscillating Spindle Sander, Owner's Manual. JET.
Used for: The JBOS-5's 14-1/2 × 14-1/2 in table tilting 0–45°; spindle at 1,725 rpm; 30 oscillations a minute over 1 in; sleeves from 1/4 to 2 in, with a 3 in spindle optional; always using a table insert, with oblong inserts for a tilted table; unplugging before changing spindles; keeping fingers away from the spindle; a dust port.
- 2.
Wood Dust: Hazard Recognition. U.S. Department of Labor, Occupational Safety and Health Administration.
Used for: Wood dust's health effects, including respiratory illness and cancer.
- 3.
Wood Dust: Possible Solutions. U.S. Department of Labor, Occupational Safety and Health Administration.
Used for: Exhaust ventilation at the source as the preferred control for wood dust.
About this guide
Written by BenchRoot Editorial. How BenchRoot sources, checks and corrects its pages is set out in the Editorial Policy. If something here is wrong or unclear, the contact page explains how to tell us.