## Precision measurement, methods and formulas |

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accurately acme thread acute angle angle C Figure angle plate answer apply these formulas apply this formula best-size wire Bevel protractor blueprint button check the angle clamp combination of gage correct cosecant degrees and minutes depth micrometer dial indicator dovetail exact angle Explanation Figure Figure 1 shows find angle gage blocks gage rolls height gage hypotenuse inch diameter inch micrometer inches distance inches long inches measurement inches radius insert inspector knows internal angle keyway measure distance MEASURING THE ANGLE method micrometer Procedure micrometer reading parallel bar piece pitch Place pins position problem profile gage Purpose To check Purpose To determine Purpose To measure right triangle shadowgraph shaft shown in Figure side adjacent side opposite sine bar slot small end space spline square root statement means steel balls step straight edges surface plate tangent Tools Recommended Procedure trigonometric functions trigonometry vernier caliper width