abrasives. today’s common types of sand paper garnet: common for wood working. aluminum oxide: for...
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Today’s common types of sand paper
• Garnet: common for wood working.
• Aluminum oxide: for metal.
• Silicon carbide: wet or dry applications
Garnet Aluminum oxide Silicon Carbide
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What type of sand paper is made for use on wood?
A. Silicon carbide
B. Garnet
C. Aluminum oxide
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Grit size
Begin with coarse paper, and work up to finer grits.
Coarse Smooth
80 100 120 150 180 220 320
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The larger the number the smaller the grit size.
The smaller the number the larger the grit size.
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Which number represents the most coarse grit.
A. 180
B. 80
C. 100
D. 120
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Use coarse paper for rough sanding
80 to 100 grit
• For heavy sanding.
• To remove machine marks.
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Use medium grit for final sanding of wood.
120, 150, or 180 grit
• Breaking edges
• Removal of scratches
Breaking
Edges
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Use Fine grit for sanding between coats of finish.220, 320 grit
• Sand lightly between coats of finish.
• Remove any rough areas of finish.
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Types of sanders
• Portable belt sander.– For aggressive or rough sanding
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Types of sanders
• Orbital sanders, ½ and ¼ sheet– For medium to fine sanding
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Types of sanders
• Random orbit, Pneumatic and electric.– For swirl free sanding of wood .
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Which sander is used for course sanding?
A. Random orbit sander
B. Portable belt sander
C. Orbital sander
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Types of sanders
Stationary• Wide belt sander
– For sanding machine marks out of surface of wood panels
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Types of sandersStationary
• Edge belt sander – For straight edges of boards and outside
radiuses.– Use caution, this machine can remove
material quickly
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Types of sandersStationary
• Disc Sander– For outside curves and short straight edges.
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Types of sandersStationary
• Oscillating spindle sander – For inside curves or radiuses.
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Which of these sanders can sand inside radiuses?
A. Disk sander
B. Edge belt sander
C. Oscillating spindle sander
D. Wide belt sander