32 MECHANICAL ASSEMBLY
Chapter Contents
32.1 Threaded Fasteners
32.1.1 Screws, Bolts, and Nuts
32.1.2 Other Threaded Fasteners and Related Hardware
32.1.3 Stresses and Strengths in Bolted Joints
32.1.4 Tools and Methods for Threaded Fasteners
32.2 Rivets and Eyelets
32.3 Assembly Methods Based on Interference Fits
32.4 Other Mechanical Fastening Methods
32.5 Molding Inserts and Integral Fasteners
32.6 Design for Assembly
32.6.1 General Principles of DFA
32.6.2 Design for Automated Assembly
Mechanical assembly uses various methods to mechanically attach two (or more) parts together.
In most cases, the method involves the use of additional discrete hardware components, called
fasteners, that are added to the parts during the assembly operation. Many products are
produced using mechanical assembly: automobiles, large and small appliances, telephones, furniture.
Mechanical fastening methods can be divided into two major classes: (1) those that allow for disassembly, and (2) those that create a permanent joint. Threaded fasteners (e.g., screws, bolts, and nuts) facilitate disassembly. Rivets are permanent joints.
Chapter Contents
32.1 Threaded Fasteners
32.1.1 Screws, Bolts, and Nuts
32.1.2 Other Threaded Fasteners and Related Hardware
32.1.3 Stresses and Strengths in Bolted Joints
32.1.4 Tools and Methods for Threaded Fasteners
32.2 Rivets and Eyelets
32.3 Assembly Methods Based on Interference Fits
32.4 Other Mechanical Fastening Methods
32.5 Molding Inserts and Integral Fasteners
32.6 Design for Assembly
32.6.1 General Principles of DFA
32.6.2 Design for Automated Assembly
Mechanical assembly uses various methods to mechanically attach two (or more) parts together.
In most cases, the method involves the use of additional discrete hardware components, called
fasteners, that are added to the parts during the assembly operation. Many products are
produced using mechanical assembly: automobiles, large and small appliances, telephones, furniture.
Mechanical fastening methods can be divided into two major classes: (1) those that allow for disassembly, and (2) those that create a permanent joint. Threaded fasteners (e.g., screws, bolts, and nuts) facilitate disassembly. Rivets are permanent joints.
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