1 Blueprint Reading for the Machine Trades, Sixth Edition Unit 12: Auxiliary Views Russ Schultz and Larry Smith PowerPoint presentation created by LaVonne Vichlach

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved. 2 Auxiliary Views Auxiliary views show the true shape True Shape is needed for dimensioning Does not always create an additional view on a drawing Can be used to replace one of the principal views

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved. 3

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved. 4 Inclined Planes Appears as an edge in a principal view True shape may be shown by projecting a view perpendicular to it Accomplished by drawing a primary auxiliary view Often drawn as partial views-exposing only true shape of inclined plane

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved. 5 Inclined Planes Partial views may terminate with short break lines May terminate with visible lines where applicable May use existing visible lines where applicable

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved. 6

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved What type of iron is specified for the casting? (Do not abbreviate.) Malleable Iron Angle BRKT

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved What principal view did the auxiliary view replace? Right-Side View Angle BRKT

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved Is the auxiliary view a partial view or is it complete? Partial View Angle BRKT

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved What view shows the real shape of the reamed holes? Top View Angle BRKT

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved What view shows the true height of the bosses? Front View Angle BRKT

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved What view shows the true shape and spacing of the tapped holes? Auxiliary View Angle BRKT

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved What tap drill size is specified for the threaded holes?.312 Angle BRKT

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved How many threads does each hole contain? 8 Angle BRKT

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved What is the total tolerance on the reamed holes?.0005 Angle BRKT

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved What would be the overall height of the casting before machining? 1.62 Angle BRKT

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved. 17 Determine the dimensions for the letter Max:.33 A-Max Angle BRKT

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved. 18 Determine the dimensions for the letter 60° B Angle BRKT

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved. 19 Determine the dimensions for the letter.70 C Angle BRKT

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved. 20 Determine the dimensions for the letter.65 D Angle BRKT

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved. 21 Determine the dimensions for the letter.10 E Angle BRKT

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved. 22 Determine the dimensions for the letter.67 F Angle BRKT

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved. 23 Determine the dimensions for the letter.38 G Angle BRKT

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved. 24 Determine the dimensions for the letter.30 H Angle BRKT

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved. 25 Determine the dimensions for the letter.45 I Angle BRKT

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved. 26 Determine the dimensions for the letter.50 J Angle BRKT

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved Is the auxiliary view a complete view or a partial view? Partial View ADJ MTG ANGLE

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved Are the tapped holes true shape or elliptical on the auxiliary view? True Shape ADJ MTG ANGLE

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved Would the tapped holes be round or elliptical on the principal view? Elliptical ADJ MTG ANGLE

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved What is the major thread diameter of the tapped holes?.375 ADJ MTG ANGLE

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved What size tap drill is specified?.312 ADJ MTG ANGLE

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved What thread series is specified? Coarse ADJ MTG ANGLE

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved What is the pitch of the thread? (Answer decimally.).0625 ADJ MTG ANGLE

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved What class of fit may be assumed for the threaded holes? Class 2 ADJ MTG ANGLE

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved How many full threads will the blind hole contain? 12 ADJ MTG ANGLE

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved What type of section is used to expose the blind holes? Broken Out ADJ MTG ANGLE

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved What type of section is used to show the radius on the rib? Revolved ADJ MTG ANGLE

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved How much material remains between the side of the slotted hole and the ribs?.4245 ADJ MTG ANGLE

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved What is the overall length of the slotted hole? ADJ MTG ANGLE

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved What size fasteners are intended for use in the slotted holes?.500 ADJ MTG ANGLE

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved. 41 Determine the dimension for the letter 1.00 A ADJ MTG ANGLE

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved. 42 Determine the dimension for the letter 1.00 B ADJ MTG ANGLE

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved. 43 Determine the dimension for the letter.62 C ADJ MTG ANGLE

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved. 44 Determine the dimension for the letter D ADJ MTG ANGLE

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved. 45 Determine the dimension for the letter Max: 6.53 E-Max ADJ MTG ANGLE

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved. 46 Determine the dimension for the letter Max: F-Max ADJ MTG ANGLE

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved What type of sectional view is the left-side view? Full ADJ HOLDER BRKT

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved How many auxiliary views does the part contain? 2 ADJ HOLDER BRKT

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved What is the pitch of the threads tapped into the tee-slot? (three decimal places.).036 ADJ HOLDER BRKT

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved Do the coarse threads require a larger or smaller tap drill than the fine threads? Smaller ADJ HOLDER BRKT

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved How many threads will the tapped hole in the tee-slot contain? 7 ADJ HOLDER BRKT

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved What is the MMC of the blind drilled hole diameter?.244 ADJ HOLDER BRKT

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved What is the maximum permissible length of the slotted holes? ADJ HOLDER BRKT

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved Is the view showing the true shape of the holes in the tee-slot a primary auxiliary view? Yes ADJ HOLDER BRKT

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved. 55 Determine the dimensions for the letter 1.60 A ADJ HOLDER BRKT

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved. 56 Determine the dimensions for the letter 2.45 B ADJ HOLDER BRKT

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved. 57 Determine the dimensions for the letter.505 C ADJ HOLDER BRKT

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved. 58 Determine the dimensions for the letter.190 D ADJ HOLDER BRKT

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved. 59 Determine the dimensions for the letter.300 E ADJ HOLDER BRKT

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved. 60 Determine the dimensions for the letter F ADJ HOLDER BRKT

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved. 61 Determine the dimensions for the letter.925 G ADJ HOLDER BRKT

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved. 62 Determine the dimensions for the letter.297 H ADJ HOLDER BRKT

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved. 63 Determine the dimensions for the letter I ADJ HOLDER BRKT

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved. 64 Determine the dimensions for J MAX: ADJ HOLDER BRKT

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved. 65 Determine the dimensions for.403 K MIN: ADJ HOLDER BRKT

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved. 66 Determine the dimensions for.614 L MAX: ADJ HOLDER BRKT

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved. 67 Oblique Planes Oblique surface will never appear as an edge in any principal view True shape of oblique surface requires an auxiliary view to show edge

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved. 68 Oblique Planes Secondary auxiliary view must be projected perpendicular to the edge Produces true shape

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved. 69 Oblique Planes Used when a feature such as a hole is located on the oblique surface Principal views may be omitted if not needed for clarity

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved. 70 Oblique Planes Auxiliary views may be partial to simplify drawings Light projection lines or continuous centerlines may remain on drawing to help reader visualize relationship of views

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved. 71 Oblique Planes

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved. 72 Oblique Planes

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved How many principal views appear on this drawing? 1 Angular Base

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved How many partial views appear on this drawing? 1 Angular Base

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved What does the heavy line beneath the dimension symbolize? Not To Scale Angular Base

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved What do the parentheses enclosing the 2.76 dimension symbolize? Reference Angular Base

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved What does the box preceding the 3.75 dimension symbolize? Square Angular Base

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved What does the arrow preceding the.94 dimension symbolize? Depth Angular Base

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved What size fasteners are intended for use in the four holes?.375 Angular Base

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved What is the MMC of the clearance holes?.404 Angular Base

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved How many threads will the blind hole contain? 12 Angular Base

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved How much deeper is the blind hole drilled than it is tapped?.19 Angular Base

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved Is the surface with the tapped hole inclined or oblique? Oblique Angular Base

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved Is the view containing the thread specs a primary or secondary auxiliary view? Secondary Angular Base

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved How much material remains between the side of a clearance hole and the radius around it?.297 Angular Base

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved Did the height dimension increase or decrease as a result of the revision? Decrease Angular Base

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved Did the revision affect the size of the primary auxiliary view, the secondary auxiliary view, or both? Primary Angular Base

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved How many principal views appear on the drawing? 1 Angle Plate

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved Which view (primary or secondary auxiliary) shows the bend angle? Primary Angle Plate

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved Which view (primary or secondary auxiliary) shows true shape of the slot? Secondary Angle Plate

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved Which surface (tapped hole surface or slotted surface) is oblique? Slotted Hole Angle Plate

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved How many degrees is the angle plate bent from its flat stock position? 65° Angle Plate

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved What dimension is the inside bend radius?.25 Angle Plate

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved What would be the approximate outside bend radius?.50 Angle Plate

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved Is the material (a) low-, (b) medium-, or (c) high-carbon steel? (a) Low- Carbon Angle Plate

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved Is the drawing (a) half scale or (b) double-scale? (a) Half- Scale Angle Plate

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved Are threads (a) left-hand or (b) right- hand? (b) Right- Hand Angle Plate

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved What class of fit are the threads? Class 2 Angle Plate

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved What thread form is specified? Unified Angle Plate

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved What thread series is specified? Fine Series Angle Plate

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved What is the thread pitch? (Answer decimally.).05 Angle Plate

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved How many threads will each hole contain? 5 Angle Plate

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved What is the overall length of the slotted hole? Angle Plate

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved What is the radius at the ends of the slotted hole?.094 Angle Plate

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved What do the parentheses enclosing the.25 dimension indicate? Reference Angle Plate

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved What is the minimum spacing permissible between threaded holes? (C to C.) Angle Plate

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved What is the maximum overall length permissible for the slotted hole? Angle Plate

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved.108 Bend Allowance Allowance must be made for the bend in sheet metal Developed length is the length before bending

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved.109 Bend Allowance Developed length Sum of flat sides Added to distance around bend measured along neutral axis

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved.110 Bend Allowance Neutral axis is approximately 0.44 of metal thickness Measured from inside surface

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved.111 Bend Allowance Use the following empirical formula BA=( R+.0078T) N R is inside radius T is metal thickness N is number of degrees of bend

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved.112 Bend Allowance

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved.113 Calculate the developed blank for the shape shown. Use the empirical formula and round your answer to three decimal places Bend Allowance Calculations

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved Calculate the developed blank for the shape shown. Use the empirical formula and round your answer to three decimal places. Bend Allowance Calculations

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved Calculate the developed blank for the shape shown. Use the empirical formula and round your answer to three decimal places. Bend Allowance Calculations

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved Calculate the developed blank for the shape shown. Use the empirical formula and round your answer to three decimal places. Bend Allowance Calculations

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved Calculate the developed blank for the shape shown. Use the empirical formula and round your answer to three decimal places. Bend Allowance Calculations

Schultz and Smith: Blueprint Reading for the Machine Trades, 6 th edition © 2008 Pearson Education, Upper Saddle River, NJ All Rights Reserved Calculate the developed blank for the shape shown. Use the empirical formula and round your answer to three decimal places. Bend Allowance Calculations