JLRY TECHNIQUES 1 REVIEW

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Last updated 8:01 PM on 9/4/26
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11 Terms

1
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What order is it the fastest to file metal? (1 = fastest; 4 = slowest)

  1. Shearing

  2. Sawing

  3. Filing

  4. Abrasive Paper


2
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Sawing: The higher number of saw, the _____ the blade is.

Thicker; if a number is followed by 1 or more zeros, the more zeros it has means that it is getting thinner

3
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Abrasive paper: The larger the grit a paper has, the ____ it is

Finer / less coarse

4
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Drills: The higher a drill number is, the _____ it is

Thinner

5
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What factors affect the way a drill cuts?

  1. The degree of the point angle

  2. The rake of the edge


6
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What is the principal difference in the motors?

Their horsepower and speed

7
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Abrasive Papers: What is the industry standard abrasive material, and what is its alternate names?

Silicon Carbide; aka “Carborundum”, “Crystolon”, and “Carbolon”

8
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What are the 3 main types of files?

  1. Hand files

  2. Needle files

  3. Escapement files


9
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What is the purpose of a hand file?

For large projects and an aggressive removal of metal

10
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What is the purpose of a needle file?

Smaller and finer cuts, and are used for delicate shaping and forming of other smaller parts

11
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What is the purpose of an escapement file?

The finest file of the 3; Used for the most delicate work