18-07-2012, 01:15 PM
Various Mechanical Joints
Various Mechanical Joints.pptx (Size: 604.34 KB / Downloads: 51)
INTRODUCTION
Mechanical joint is a part of a machine which is used to contact another
mechanical part or mechanism.
Mechanical joints may be temporary or permanent. Most types are designed to be disassembled when required.
Mechanical joints are much cheaper and are usually bought ready assembled.
TEMPORARY JOINTS
A knuckle joint is used to connect the two rods which are under tensile load , when there is a requirement of small amount of flexibility or angular moment is necessary.
BOLTED OR SCREWED JOINTS
The bolted or screwed joint is very popular method for fastening components together. The prime reason for selecting bolts as opposed to welding or rivet is that the connection can be easily released allowing disassembly, maintenance & inspection.
COMPONENTS OF BOLTED JOINTS:-
i)Bolt
ii)Nut
ADVANTAGES OF BOLTED JOINTS:-
i)Screwed joints are highly reliable in operation.
ii)Bolted joints are convenient to assemble & disassemble.
iii)Wide range of screwed joints may be adopted to various operating conditions.
iv)Comparatively cheaper.