Sanding Secrets For Bowl Turners

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| By Mhocking
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Mhocking
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Quizzes Created: 5 | Total Attempts: 9,262
| Attempts: 1,551
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  • 1/10 Questions

    Sanding is

    • Definitely not fun
    • Usually a necessary step
    • Always required for bowls
    • A & B
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About This Quiz

Test your knowledge on the best methods for sanding down your turned bowls.

Sanding Secrets For Bowl Turners - Quiz

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  • 2. 

    What are the two main categories of sanding?

    • Distressed sanding and powder sanding

    • Power sanding and hand sanding

    • Forever sanding and quick sanding

    • Dry-wood sanding and wet-wood sanding

    Correct Answer
    A. Power sanding and hand sanding
    Explanation
    Woodturners employ both power sanding and hand sanding, depending on the size of their bowl. A hand drill or sanding device is necessary for power sanding.

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  • 3. 

    When selecting abrasive paper consider the following

    • Not all abrasive paper is created equal

    • Higher-priced abrasives work quicker and more efficiently than cheap ones

    • A range of abrasive grits from coarse to fine should be used

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    I’ve found that spending the extra money on good quality abrasives is well worth the money. It’s important to begin with a the least coarse grit possible, then proceed through each grit, not skipping grits, such as 80-grit, 150-grit, 220-grit, 320-grit.

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  • 4. 

    Hand sanding is necessary when

    • Your bowl is so small that power sanding cannot be accomplished

    • The power is out

    • You cannot get your spouse to do it for you

    • You have cut grooves in your bowl

    Correct Answer
    A. Your bowl is so small that power sanding cannot be accomplished
    Explanation
    Power sanding is generally for larger-diameter bowls.

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  • 5. 

    The best kind of fold to use for abrasive paper is

    • To fold the paper in quarters

    • To fold the paper in half

    • To fold the paper in thirds

    • Don’t fold paper-backed abrasives

    Correct Answer
    A. To fold the paper in thirds
    Explanation
    By folding the abrasive in thirds, none of the grits rub against each other, and the paper doesn’t slip.

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  • 6. 

    The lathe speed for sanding a bowl should be

    • Always at 3,000 RPM—that makes the sanding go quicker

    • Slower than for turning the bowl, somewhere around 800 RPM or slower

    • Not a consideration

    • The lathe should be stopped for all hand sanding

    Correct Answer
    A. Slower than for turning the bowl, somewhere around 800 RPM or slower
    Explanation
    If you sand at too fast of a speed, you will hydroplane, hitting only the high spots, leaving areas untouched by the abrasive.

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  • 7. 

    Sanding scratches can be minimized by

    • Carefully going through progressively finer grits, ending up with a very fine grit

    • Cranking up the speed of your lathe so the abrasive particles are thrown out of the wood fibers

    • Occasionally, slightly moistening the wood to raise the grain, loosening embedded grits

    • A & C

    Correct Answer
    A. A & C
    Explanation
    Again, don’t increase speeds when sanding.

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  • 8. 

    With most bowls and platters, power sanding can usually begin with what grit abrasive?

    • 120-grit

    • 60-grit

    • 220-grit

    • None of the above

    Correct Answer
    A. 120-grit
    Explanation
    With power sanding, a finer grit is plenty aggressive, such a 120-grit.

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  • 9. 

    Having a small nub appear in the center of your bowl or platter during the sanding process

    • Is caused from excessive sanding

    • Can be avoided by initially making that area slightly concave to begin with

    • Can be removed by hand sanding

    • All of the above

    Correct Answer
    A. Is caused from excessive sanding
    Explanation
    The small nub appearing in the center of the bowl or platter during the sanding process is caused from excessive sanding. When sanding a wooden bowl or platter, if too much pressure or sanding is applied to a specific area, it can result in a small nub forming in the center. This can be avoided by initially making that area slightly concave to begin with, which helps distribute the sanding pressure more evenly. However, if the nub does appear, it can be removed by hand sanding. Therefore, the correct answer is that the nub is caused from excessive sanding.

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  • 10. 

    Sanding a bowl can be potentially dangerous if

    • You remove the toolrest before sanding

    • Wear dust protection mask or air-stream helmet

    • Wet the wood slightly while sanding to keep sawdust from flying around

    • None of the above

    Correct Answer
    A. None of the above
    Explanation
    Always remove the toolrest—hands and fingers can easily get caught. Wood dust in your lungs is cumulative. It doesn’t hurt to wet the wood of your bowl, but only moisten it.

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Quiz Review Timeline (Updated): Mar 22, 2023 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Sep 30, 2014
    Quiz Created by
    Mhocking
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