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Endg 105 2.2 scaling

Endg 105 2.2 scaling - ENDG 105 Spring 2009 Class 2.2...

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Class   2.2   September 28, 2009                  Scaling & Auxiliary Views ENDG 105    Spring 2009  
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Reading a Scale Scales are designed to make taking  measurements from a scaled drawing easier If a drawing is done to a standard engineering  scale, the measurements can be obtained by  measuring once and moving the decimal Drawings to non-standard scales must be  calculated
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Scaling Systems - English English Drawings Standard measurement unit is the  INCH Dimensions expressed to nearest  hundredths or thousands of an inch Format of scale 1=XX Equal designates Engineering One drawn inch equals XX units One drawn inch equals XX units
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Engineerer’s Scale The ENGINEERS SCALE takes the inch and divides it  into parts. The number of divisions is listed to the left of the  scale. Each ten divisions are numbered. Page 243 of text book.
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Engineers
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Engineers Scale
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Engineers Scale Professor Till rule for engineering  scales. Find something on your hand that is 1 inch  long. Using that, measure the line This will give the approximate length of the  line in real inches multiply by scale Measure with scale for exact number
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Engineers Scale Measurements are in inches unless  stated otherwise!! If scale is shown in feet,  do not  multiply by 12 . Do not show units as it is known to be  inches unless stated otherwise.
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