Term
What is a working drawing? |
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Definition
Specifications for the manufacture of a design. |
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Term
What is a detail drawing? |
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Definition
Working drawing of an individual part. |
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Term
What items are included on detail drawings? |
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Definition
- Shape Description of the part. Necessary multiviews.
- Size Description - Show size and location of features. Dimensions.
- Specifications regarding items such as material, finish, and heat treatment. Notes.
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Term
What is an assembly drawing? |
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Definition
Working drawing that shows how the parts fit together and suggests the function of the entire unit. |
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Term
What is the purpose of an assembly drawing? |
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Definition
- One or more views of the assembly.
- Sectional views necessary to describe internal features.
- Enlarged view to show adequate detail.
- Arrangement of parts.
- Overall size and specific dimensions needed for assembly.
- Manufacturing processes necessary during assembly.
- Reference or item numbers that key the assembly to a parts list and to the details.
- Parts list or bill of materials.
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Term
What things typically appear in an industry titleblock? |
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Definition
- part name or title.
- name and address of manufacturer.
- name and address of customer.
- drawn by or name.
- date.
- checked by and date.
- scale - 1=2 (English) - 1:2 (Metric). Drawing=Object.
- drawing number or part number.
- A - 8-1/2 x 11.
- B - 11 x 17.
- C - 17 x 22.
- D - 22 x 34.
- tolerance information.
- Material.
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Term
What column headings typically appear in a bill of materials? |
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Definition
- part or item number.
- description or part name.
- number required.
- material.
- part number.
- vendor information for purchased parts. Purchased parts do not require a detail drawing. However, the part must be clearly and completely described in the parts list.
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Term
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Definition
A tolerancing method using a deviation in only one direction, either plus or minus, from the specified dimension. |
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Term
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Definition
A tolerance method using an equal plus and minus
deviation from the specified dimension.
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Term
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Definition
Straightness, Flatness, Circularity, Cylindricity |
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Term
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Definition
Profile of a line, profile of a surface |
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Term
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Definition
Angularity, Perpendicularity, Parallelism |
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Term
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Definition
Position, Concentricity, Symmetry |
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Term
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Definition
Circular Runout, Total Runout |
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