Detail and Assembly Drawings

1
Detail and Assembly Drawings

• Unit 8
• Page 61

2
Objectives

• Identify detail drawings and information on them.
• Identify assembly drawings and information on
  them.
• Identify various types of assembly drawings.

3
Introduction

• Two basic types of drawings.
• 1. Detail drawings for parts
• produced.
• 2. Assembly drawings for units to
• be put together.

4
Detail Drawings

• Drawings made for a single part.
• One part on one print.
• Provides all of the information necessary to
  produce the individual part.

5
Detail Drawings

• Detail drawings provide the following
  information.
• 1. Name of the part.
• 2. Shape description of the part.
• 3. Sizes of the features.
• 4. Notes on materials, heat treat, and
• finishing processes.

6
Detail Drawing
7
Assembly Drawings

• Drawings that show the working relationship of
  parts and how they go together.
• Made up of two or more parts.

8
Assembly Drawings

• Assembly drawings provide the following
  information.
• 1. Name of assembly.
• 2. Relationship of one part to another.
• 3. List of parts.
• 4. Bill of materials.
• 5. Overall sizes when necessary.

9
Sub-assembly Drawings

• Drawings that include only part of the overall
  assembly.
• Saves time and can show better description of
  parts.
• Example Drill press

10
Working Assembly

• Fully dimensioned drawings that combine detail
  and assembly parts.
• Only used on simple parts with a small number of
  details.

11
Working Assembly
12
Diagram Assembly

• Drawings that make use of conventional symbols.
• Used in piping and wiring diagrams.
• Used on schematics.
• Used in floor plans.

13
Diagram Assembly
14
Installation Assembly

• Provide necessary information to install a piece
  of equipment.
• Half of the part is made in a shop, and the other
  half is put together in the field
• Examples Dust collector
• Walls for workshop in video.

15
Exploded Pictorial Assembly

• Shows the parts in an exploded view.
• Used mostly in the automotive field.
• Found in Chilton manuals.

16
Exploded Pictorial Assembly
17
Summary

• What are the two main types of drawings found in
  industry?
• What information does a detail drawing give us?
• What information does an assembly drawing give
  us?
• What are the 5 different types of assembly
  drawings we discussed?

18
Assignment

• Do print reading activity 8-PR-1 on page 65.
  Answer questions 1-16.