introduction to sine bar
DESCRIPTION
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. - PowerPoint PPT PresentationTRANSCRIPT
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INTRODUCTION TOSINE BAR
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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
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SAMPLES OF SINE BAR
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Terms and Symbols
• Diameter: Ø
• Angle: <
• Height: H
• Radius: R.
• Degrees:°
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SETTING UP A 5-INCH SINE BAR TO GIVEN ANGLE
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TOOLS NEEDED
SURFACE GROUND GRANITE TABLE
HEIGHT GAUGE GAUGE BLOCKS
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REFER TO MACHINIST HAND BOOK pg 1366 or 1121
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FIND THE HEIGHT FOR THE FOLLOWING ANGLES
• 10°11’= ________
• 15°30’=_________
• 22°45’= _________
• 32°18’=__________
• 36° 41’=__________