C3 - LT #3 - Use sanding machines

Question 1

What is a belt sander used for?

Answer 1

Final sanding of straight stock

Question 2

Which is better for sanding * INTERNAL * curves, the belt sander or the disk sander?

Answer 2

Belt sander

Question 3

Which is considered a finishing sand: The belt sander or the disk sander?

Answer 3

Belt Sander

Question 4

Which sanding machine would you choose to true the edges of a circle cut from wood?

Answer 4

Disk sander

Question 5

Which sander is best at removing stock from end grain?

Answer 5

Disk sander & mitre gauge

Question 6

Describe the function of each roller on a belt sander

Answer 6

1) One provides power to the belt,
2) the other keeps the belt tracking properly, both must be lightly crowned

Question 7

Describe the function of a platen on a belt sander

Answer 7

a smooth metal plate that holds the sanding belt against the work and thus ensures a flat sanded surface

Question 8

Kickback can be caused by a sanding belt that is

Answer 8

TORN or RIPPED

Question 9

When sanding long stock on a belt sander, the stuck must be kept mid-point of the _________?

Answer 9

platen

Question 10

When you change a sanding belt, describe how you should install the belt so that it travels in the right direction

Answer 10

The arrow on the rear of the belt indicate the direction of travel

Question 11

Describe what may be indicated if wear spots show on the platen of a belt sander

Answer 11

dust accumulation

Question 12

How is the tracking of a belt sander adjusted? What is the cause if tracking can’t be adjusted or won’t stay in adjustment

Answer 12

Tracking adjustment that tilts the roller slightly one way or the other. This tilting action allows the belt to ride in the middle of the rollers properly.

Or

Dust accumulation

Question 13

If several pieces of stock require edge sanding on a belt sander, you should periodically relocate:

Answer 13

the stock back and forth along the face

Question 14

Describe two advantages of open-coat sandpaper

Answer 14

MORE flexible less clog

Question 15

hat advantage does closed-coat sandpaper have over the open-coat type?

Answer 15

Longer life

Question 16

What grit sizes are used to remove machining marks from wood?

Answer 16

60, 80, 100

Question 17

A final sanding of wood that will be painted with grit can be as coarse as

Answer 17

100 grit

Question 18

Describe how to prevent sandpaper and the workpiece from becoming overheated when using a sanding machine

Answer 18

Constant moving of work piece

Question 19

A disk sander has a table that is the full width of the disk. Describe which half of the disk is used for sanding:

Answer 19

The half of the disk that travels downward to the table or fence

Question 20

Sandpaper on a sanding machine should travel

Answer 20

AGAINST the grain

Question 21

Is the rate of stock removal always the same, regardless of the location of the work n a disk sander? Explain.

Answer 21

Sandpaper travels faster at the edge of the disk than at the center. Burning, etc, more at the edge of the disk.

Question 22

Roughed-out shapes for disk sanding should leave no more than ______ of waste to remove

Answer 22

1-2 MM

Question 23

What system must always be turned on prior to using any sanding machine?

Answer 23

Dust extracting

Question 24

What is used to clear away debris from a sanding machine?

Answer 24

A brush

Question 25

Wide belt sander is mainly used for what?

Answer 25

Furniture, cabinet and door manufacturing

Question 26

What is a drum sander similar to?

Answer 26

A thickness planer, with sanders instead of knives

Question 27

How to accurately sand with a disk sander?

Answer 27

Use of a table and miter gauge

Question 28

What is the vertical oscillating spindle sander great for?

Answer 28

Ideal for sanding inside of curves

Question 29

The most common abrasives for the belt, drum, disk, and spindle sanders include:

Answer 29

1) alum. oxide
2) silicon carbide
3) ceramic
4) alumina zirconia

Question 30

What is the most commonly used sanding belt today?

Answer 30

Aluminum oxide