1. Unit 16
Assembly Drawings

2. Learning Objectives
Explain the nature and role of assembly drawings in the industrial setting.
Explain different ways of creating pictorial and multiview assembly drawings used in industry.
Discuss the role of the subassembly drawing.
Identify and read information about the components within an assembly drawing.

3. Learning Objectives
Identify sectioning techniques used to delineate component parts in an assembly drawing.
Identify and read parts list information about assembly drawings that are drawn for multiple variations.

4. Assembly Drawings
Assembly drawing: shows the working relationship of the various parts of the machine, structure, or product as they fit and function together
For the scope of this text, drawings of inseparable assemblies, such as welded parts or parts with inserts, are considered in the same context as detail drawings

5. Assembly Drawings Includes: Name of the assembly or subassembly
List of separate parts
Various size dimensions related to the assembly
Other information that cannot be determined from the separate parts
General notes about the assembly

6. Assembly Drawings
AISIN Manufacturing Illinois

7. Subassembly Drawings Shows a few parts assembled
As a unit, will be given an inventory or part number and will fit within a larger assembly

8. Detail Assembly Drawings
Shows dimensions of the parts and the assembly
Not recommended practice
Clark Equipment Company

9. Diagram Assembly Drawings
Shows the parts to be assembled as symbols
Unidynamics

10. Exploded Assembly Drawings
Multiview and pictorial assembly drawings can be “exploded” to show the order or method of assembly

11. Part Identification
Balloons contain the find number for the list of materials

12. Sections in Assembly Drawings
Section lines for different parts of an assembly drawing are turned at different angles
Different section line spacing may also be used to help delineate parts

13. Application Blocks
Indicates what assembly is next in line for the part or subassembly

14. Parts List Information
A basic parts list should include:
Find number
Quantity required
Part numbers
Part names

15. Additional Listings Parts list of materials may also include:
(A) CAGE codes
(B) Material
(C) Procurement specifications
(D) Weight
(E) Notes or remarks
Drawing zone location

16. What do you see?
Print supplied by RegO Cryo-Flow Products.