Keep belt sanders on track

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Tb impart a smooth, crisp edge on a board, use a belt sander. To prevent the sander from rocking and causing roundovers along the edge, sandwich the workpiece between two pieces of scrap wood, making sure all three edges are flush. Clamp the "sandwich" into the vise in your workbench.

Smooth rough cuts with a cabinet scraper

A lot of experienced woodworkers view sanding as a last resort. It's messy, noisy, time-consuming and it creates sanding marks. A cabinet scraper is a better tool for smoothing out rough cuts. It works equally well on curved surfaces, as above, or on broad, flat surfaces.

Emery Cloth Grit Chart

Emery-cloth for metal and plastics

Emery Cloth Grit Chart

40-grit aluminum

100-grit aluminum oxide

SANDPAPER TYPES

Sandpaper Grit Chart

Grit Number

Description

Use

12

Very Coarse

Very rough work requiring high speed, heavy

16

machinery. Used for unpianed woods, uneven wood

20

floors and rough-cut iumber.

24

30

Coarse

Rough carpentry.

36

40

50

60

Medium

General carpentry.

80

100

120

Fine

Preparation of hardwoods and finai smoothing of

150

softwoods.

180

220

Very Fine

Final and between-coat sanding. Used to remove

240

sanding marks left by coarser grits.

280

320

Extra Fine

Sanding between finish coats and wet sanding

360

paints and varnishes.

400

500

Super Fine

Sanding metai, plasties, ceramics and wet sanding.

600

Slick trick for a rough customer

Sandpaper is difficult to tear in a straight line, and cutting it with scissors or a utility knife will dull blades very quickly. Build yourself a sandpaper cutter by attaching a hacksaw blade to a piece of scrap wood, with the sharp edge of the blade facing toward the edge of the board. Attach a strip of wood parallel to the blade. Position the strip so it's the same distance from the cutting edge of the blade as the most common dimension you'll need to fit your pad sander. Slip a piece of sandpaper underneath the blade and up against the strip. Pull upward against the blade for a neat cut.

Keep sandpaper scraps on file

An expanding, accordion-style file holder makes a great storage center for sandpaper scraps. Assign a grit number to each storage compartment and file your sandpaper sheets in the appropriate compartment so they'll be easy to find when needed.

SANDPAPER TYPES

Emery-cloth for metal and plastics

40-grit aluminum

100-grit aluminum oxide

220-grit aluminum oxide

220-grit aluminum oxide

400-grit wet/dry

Sanders & sanding blocks

Wet Dry Orbital Sander

Random-orbit sander

Finishing sander (1/4 sheet)

Detail sander

Random-orbit sander

Finishing sander (1/4 sheet)

Detail sander

A sander for any sanding task

Assemble a team of sanders for your ■woodworking and carpentry projects. The most versatile sander is the random-orbit sander.'The irregular sanding action of this tool keeps sanding marks to a minimum, and is suitable tor both rough sanding and fine finish sanding. Belt sanders can remove a lot of material in a hurry, making them useful for resurfacing as well as smoothing very rougb stock. A detail sander has a small, triangular pad that can get into those hard-to-reach spots. A 1M or 1/s sheet finishing sander does a fine job preparing surfaces for a finish, and is cheaper than a random-orbit sander.

A sampling of sanders and sanding blocks

Fabricated sanding blocks have soft pads and are designed to be easy and comfortable to grip. "Tear-drop* sanding blocks are made to fit the most common molding profiles. Sanding sponges can remove surprising amounts of material quickly and will conform to irregular surfaces.

Random Hot Spots Body

Commercial sanding block

"Tear-drop1 sanding blocks

HAND SANDERS & SANDING BLOCKS

How to make custom sanding blocks

Auto Body Sanding Blocks

ICut a 4- to 6in. strip of the molding or trim you need to sand.Tacfc a smaii piece of scrap wood to each end of the molding strip to create "forms." Flii or cover the moiding with auto body fiiler, smoothing the filler so it's level with the tops of the forms. Let the fiiler dry according to the manufacturer's recommendations.

2 Remove the molded auto body fitter and hot-glue a bioch of wood to the fiat face to give the sanding block greater rigidity and durability. Wrap a piece of sandpaper around the shaped face and start sanding. Note: This technique aiso works with convex sanding profiles.

Sanding tips

Drum Sander Technique

Build a drum sander dust-collection box

Drum sander attachments for the drill press are terrific for smoothing curves and sanding interior cutouts, but they can make quite a mess. Keep sanding dust in check by building a dust collection box that's clamped to your drill press table. Make a cutout in the side of the box for a vacuum hose port, and another cutout on the top for the sanding drams to fit into. The top of the box also comes in handy as a sanding table.

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