Sander
A sander is a power tool used to smooth wood and automotive or wood finishes by abrasion with sandpaper. Sanders have a means to attach the sandpaper and a mechanism to move it rapidly contained within a housing with means to hand-hold it or fix it to a workbench. Woodworking sanders are usually powered electrically, and those used in auto-body repair work by compressed air. There are many different types of sanders for different purposes. Multi-purpose power tools and electric drills may have sander attachments. Additionally, surface preparation equipment such as the Easily Manipulated Mechanical Arm feature sanders as an integral component of their system.
Woodworking sanders include:
- Flap sander or sanding flap wheel: A sanding attachment shaped like a Rolodex and used on a hand-held drill or mounted on a bench grinder for finishing curved surfaces.[1]
- Belt sander (hand-held or stationary)
- Disc sander: A disc sander is most commonly known as a stationary machine that consists of a replaceable circular shaped sandpaper attached to a wheel being electrically spun around. The usually wooden work piece, (although other materials can be shaped and worked on such as plastics, metals and other soft materials), is sat on a front bench that can be adjusted to various angles. It can be used for rough or fine sanding depending on the sanding grit used.
- Oscillating spindle sander: A sander mounted on a spindle that both rotates and oscillates in and out or up and down along the axis of the spindle. Good for sanding curves and contours that would be difficult with hand or orbital sanding.
- Random orbital sander
- Orbital sander: A hand-held sander that vibrates in small circles, or "orbits." Mostly used for fine sanding or where little material needs to be removed.
- Straight-line sander: A sander that vibrates in a straight line, instead of in circles. Good for places where hand sanding is tedious or "blocking" is required. Most are air-powered, a few electric. The first pneumatic straight line sander was patented by Otto Hendrickson in 1969.[2]
- Detail Sander: A hand-held sander that uses a small vibrating head with a triangular piece of sandpaper attached. Used for sanding corners and very tight spaces. Also known as "Mouse" or "corner" sanders.
- Stroke sander: A large production sander that uses a hand-operated platen on a standard sanding belt to apply pressure. For large surfaces such as tabletops, doors, and cabinets.
- Table Top Drum sander: A bench top sander that uses a rotating drum. Much like a jointer, the operator adjust the height of the grit, by changing the grit of sandpaper, to adjust the depth of cut. Wood is hand fed overtop the drum to achieve a flat, smooth surface. Can be used for surface sanding, edge sanding, stripping paint, cabinet doors, ect. [3]
- Drum sander: A large sander that uses a rotating sanding drum. As with a planer, the operator adjusts feed rollers to feed the wood into the machine. The sander smooths it and sends it out the other side. Good for finishing large surfaces.
- Wide-belt sander: A large sander similar in concept to a planer, but much larger. Uses a large sanding belt head instead of a planer's knife cutterhead, and requires air from a separate source to tension the belt. For rough sanding large surfaces or finishing. Used mainly for manufacturing furniture and cabinets.
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Category: Woodworking
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