330 likes | 2.28k Views
INTRODUCTION TO SINE BAR. SINE BAR USE. The sine bar is used either for very accurate angular measurements or for locating work at a given angle. The sine bar is especially useful in measuring or checking angles when the limit of accuracy is 5 minutes or less. SAMPLES OF SINE BAR.
E N D
SINE BAR USE • The sine bar is used either for very accurate angular measurements or for locating work at a given angle. • The sine bar is especially useful in measuring or checking angles when the limit of accuracy is 5 minutes or less
Terms and Symbols • Diameter: Ø • Angle: < • Height: H • Radius: R. • Degrees:°
TOOLS NEEDED GAUGE BLOCKS SURFACE GROUND GRANITE TABLE HEIGHT GAUGE
FIND THE HEIGHT FOR THE FOLLOWING ANGLES • 10°11’= ________ • 15°30’=_________ • 22°45’= _________ • 32°18’=__________ • 36° 41’=__________