Theory of Machines 1 min read
Neither parallel nor intersecting shafts
Helical gears may be used to mesh two shaftsthat are not parallel, although they are still primarily use in parallel…
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Theory of Machines 3 min read
Gears for connecting parallel shafts
1. Spur gears: Spur gears are the most common type of gears. They have straight teeth,and are mounted on parallel shafts. Sometimes,…
Theory of Machines 1 min read
Classification of Toothed Wheels
According to the Position of Axis of Shaft (a) Parallel (b) Intersecting (c) Non-intersecting and non-parallel According to the peripheral…
Theory of Machines 1 min read
Advantages and Disadvantages of Gear Drive
The following are the advantages and disadvantages of the gear drive as compared to belt, rope and chain drives: Advantages:…
Theory of Machines 2 min read
Gear Drive
Introduction The slip and creep in the belt or rope drives is a common phenomenon, in the transmission of motion…
Theory of Machines 2 min read
Motion of the Follower
Cam follower systems are designed to achieve a desired oscillatory motion. Appropriate displacement patterns are to be selected for this…
Non Destructive Testing 2 min read
Terms Used in Radial Cams
Fig.3.7 Pressure angle: It is the angle between the direction of the follower motion and a normal tothe pitch curve. This…
Theory of Machines 1 min read
Classification of Cams
Cams can be classified based on their physical shape. a) Disk or plate cam (Fig. 3.4 a and b): The…
Theory of Machines 4 min read
Exercise Problems
1) An engine, running at 150 r.p.m., drives a line shaft by means of a belt. The engine pulley is…
Theory of Machines 1 min read
Centrifugal Pump
A centrifugal pump has an impeller on the inside of a casing. Liquids are forced into the centre or “eye”…
