Blueprint Reading

(Joyce) #1

172 Chapter 7


Figure 7.8 A hand reamer and a machine reamer. Solid hand reamers are typically used when a greater
accuracy in hole size is desired. Machine reamers can generally be expected to produce clean holes when used
properly.


Figure 7.9A The proportions of the surface roughness symbol.


Figure 7.9B The method of placing surface roughness symbols.

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