Question

safety exam
order no. 612
write the word safe or unsafe to describe the practices related to the
safe operation of the planer - surfacer.

1. to wear gloves and other loose clothing.
2. to make adjustments with the machine off.
3. to plane 1/8\ from a pine board during one pass.
4. to keep table clear of chips, tools and other materials.
5. to plane a 1 x 6 board 10 inches long.
6. to set the feeding speed at 45 feet per minute for hardwoods.
7. to look into the throat of the planer when it is running.
8. to plane against the grain.
9. to keep hands away from top surface of the stock near the

feed rolls.

1. to work without eye protection.
2. to use sharp knives.
3. to plane wood with loose knots.
4. to attempt to force stock through the machine when it gets

stuck.

1. to remove 1/16 of an inch from walnut during one pass.
2. to use a backer board when planing a piece of stock to 1/4

inch in thickness.

Explanation:

1. Loose clothing and gloves can get caught in the planer - unsafe.
2. Making adjustments with machine off is safe practice.
3. Planing 1/8" from pine in one pass is a reasonable amount - safe.
4. Keeping table clear prevents accidents - safe.
5. Planing a 10 - inch long 1x6 board is safe as long as proper technique is used.
6. 45 feet per minute is a reasonable feeding speed for hardwoods - safe.
7. Looking into the planer's throat while running can cause injury - unsafe.
8. Planing against the grain can cause tear - out and is generally unsafe.
9. Keeping hands away from feed rolls is a safety measure - safe.
10. Working without eye protection is unsafe as debris can fly.
11. Using sharp knives is actually safer as dull knives can slip - safe.
12. Planing wood with loose knots can cause the knot to fly out - unsafe.
13. Forcing stuck stock can cause kickback - unsafe.
14. Removing 1/16 of an inch from walnut in one pass is a light cut - safe.
15. Using a backer board when planing thin stock (1/4 inch) helps prevent tear - out - safe.

Answer:

1. unsafe
2. safe
3. safe
4. safe
5. safe
6. safe
7. unsafe
8. unsafe
9. safe
10. unsafe
11. safe
12. unsafe
13. unsafe
14. safe
15. safe