Blueprint ReadingBlueprint Reading

ReferencesReferences

Blueprint Reading BasicsBlueprint Reading BasicsWarren HammerWarren HammerIndustrial Press Inc.Industrial Press Inc.Copyright 1989Copyright 1989

Blueprint Reading and Technical Sketching for IndustryBlueprint Reading and Technical Sketching for IndustryThomas P OlivoThomas P Olivo

Sealed Source & Device Workshop Blueprint Reading: 2

Thomas P. OlivoThomas P. OlivoNelson CanadaNelson CanadaCopyright 1992Copyright 1992

Dimensioning and TolerancingDimensioning and TolerancingASME Y14.5M ASME Y14.5M 1994 (R1999)1994 (R1999)ASME InternationalASME InternationalThree Park AvenueThree Park AvenueNew York, NY 10016New York, NY 10016--59905990

Blueprints Have Three Main Parts:Blueprints Have Three Main Parts:

Drawing Drawing -- Graphical representation that shows the exact Graphical representation that shows the exact shape of a component.shape of a component.

Dimensions Dimensions -- Numbers that provide the measurements Numbers that provide the measurements of a piece of a drawing.of a piece of a drawing.

Notes Notes -- Include information that cannot be easily Include information that cannot be easily identified on the drawing or other information needed to identified on the drawing or other information needed to fabricate the component. Some information may be fabricate the component. Some information may be important and some may be irrelevant.important and some may be irrelevant.

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Drawings:Drawings:Exploded View:Exploded View:

good for viewing how pieces fit togethergood for viewing how pieces fit together usually no dimensions or piece informationusually no dimensions or piece information

Sealed Source & Device Workshop Blueprint Reading: 4

Drawings:Drawings:

Isometric: Isometric: Orthographic:Orthographic:

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Orthographic:Orthographic:

Each component has 6 sides and each can be shown as a view Each component has 6 sides and each can be shown as a view on a drawing. Typically, only 3 views (front, top, and right side) on a drawing. Typically, only 3 views (front, top, and right side) are provided unless other views are needed for clarification.are provided unless other views are needed for clarification.

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Lines:Lines:

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Sectional Drawings:Sectional Drawings:

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Partial Sectional Drawings:Partial Sectional Drawings:

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Partial Sectional Drawings:Partial Sectional Drawings:

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Dimensions:Dimensions:Point to Point: Point to Point: Datum:Datum:

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May be fractions or decimal and must include units

Dimensions (cont.):Dimensions (cont.):

Radii and Holes:Radii and Holes:

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Dimensions (cont.):Dimensions (cont.):

Reference Dimensions:Reference Dimensions: Dual Units:Dual Units:

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Tolerances:Tolerances:

+/+/-- X.XXX.XXdrawing, note or title blockdrawing, note or title block Max./Min.Max./Min.

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Geometric Tolerancing:Geometric Tolerancing:

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Machining:Machining:Types of Holes:Types of Holes:

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Machining (cont.):Machining (cont.):

Threaded Sections:Threaded Sections:

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Machining (cont.):Machining (cont.):

Chamfers:Chamfers:

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Machining (cont.):Machining (cont.):Welds:Welds:

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Notes:Notes:

Finishes (Machining, Paints, Chemical Finishes (Machining, Paints, Chemical TreatmentsTreatments

QC InspectionsQC Inspections

Default units dimensions or tolerancesDefault units dimensions or tolerances

Sealed Source & Device Workshop Blueprint Reading: 20

Default units, dimensions, or tolerancesDefault units, dimensions, or tolerances

Instructions for fabrication processesInstructions for fabrication processes

Other instructions necessary to describe the partOther instructions necessary to describe the part

Title Block:

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/ColorImageDict > /JPEG2000ColorACSImageDict > /JPEG2000ColorImageDict > /AntiAliasGrayImages false /CropGrayImages true /GrayImageMinResolution 150 /GrayImageMinResolutionPolicy /OK /DownsampleGrayImages false /GrayImageDownsampleType /Bicubic /GrayImageResolution 150 /GrayImageDepth 8 /GrayImageMinDownsampleDepth 2 /GrayImageDownsampleThreshold 1.50000 /EncodeGrayImages true /GrayImageFilter /FlateEncode /AutoFilterGrayImages false /GrayImageAutoFilterStrategy /JPEG /GrayACSImageDict > /GrayImageDict > /JPEG2000GrayACSImageDict > /JPEG2000GrayImageDict > /AntiAliasMonoImages false /CropMonoImages true /MonoImageMinResolution 1200 /MonoImageMinResolutionPolicy /OK /DownsampleMonoImages false /MonoImageDownsampleType /Bicubic /MonoImageResolution 1200 /MonoImageDepth -1 /MonoImageDownsampleThreshold 1.50000 /EncodeMonoImages false /MonoImageFilter /CCITTFaxEncode /MonoImageDict > /AllowPSXObjects false /CheckCompliance [ /None ] /PDFX1aCheck false /PDFX3Check false /PDFXCompliantPDFOnly false /PDFXNoTrimBoxError true /PDFXTrimBoxToMediaBoxOffset [ 0.00000 0.00000 0.00000 0.00000 ] /PDFXSetBleedBoxToMediaBox true /PDFXBleedBoxToTrimBoxOffset [ 0.00000 0.00000 0.00000 0.00000 ] /PDFXOutputIntentProfile (None) /PDFXOutputConditionIdentifier () /PDFXOutputCondition () /PDFXRegistryName () /PDFXTrapped /False

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