Author Archive: Mechtics
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Thermal conductivity of material
The thermal conductivity of a material is the rate of heat transfer from a unit thickness of material per unit area and unit temperature difference. For example, if the rate of heat transfer for a material is k with thickness 1 meter and the temperature difference of 1 Kelvin and areas of the 1 square-meter, […]
Thermal conduction mechanism in solid liquid and gas
Initially, thermal conduction was known as diffusion. Heat flow is the term used when conduction is within a single body while heat transfer is the term when conduction is between tow separate body in physical contact. Heat transfers from hot body to cold body. Thermal conduction can be defined as the transfer of heat from […]
Cutting tool terminology with detailed explanation
The cutting tool is the key element in machining where metal removal is required for whatsoever reason. For best output and optimum performance with minimum efforts and work input, the cutting tool is designed in a specific way. There are various terms associated with the design of the cutting tool. Here is cutting tool terminology with […]
Definition of mechanical properties of materials
Property of the material is the key term which helps us to identify the characteristics s of material and utilise it in application to get most out of it with minimum efforts. Just like length, width and height, of an object, a material also possesses certain characteristics which make them different from another. Here is […]
Classification of kinematic pairs with examples
Kinematic pairs can be classified on basis of their nature of contact, constraints, and nature of relative motion between the elements in contact. Here is the detailed classification of kinematic pairs with the relevant example. We can easily understand kinematic pairs once we understand the concept of degree of freedom. Classification of kinematic pairs According to […]
What is degree of freedom in mechanics?
When a link is connected to one or more other links, it imposes a restriction on the relative motion of the combined link or mechanism. This number of restrictions may vary according to the type of link and connection they made with each other. Basically, there are 3 transitional and 3 rotational motions are considered. […]
Cam and follower mechanism types and functions
A cam is a mechanical member which impart desired motion to the follower by direct contact. Cam may be rotating or reciprocating while a follower may be rotating, reciprocating and oscillating. A cam-follower forms higher pair as they have point contact at the junction. From now we will term cam and follower mechanism as cam […]
Types of mechanism in mechanical engineering
Mechanism and types of mechanism in mechanical engineering
Types of constrains in mechanism or machines
Constrain means restriction. In mechanics, we got many redundant motions which need to restricted to save energy and work. We need to focus only on desired motion to get output from that mechanism. Sometimes these constrains are needed to be applied externally to restrict these additional redundant motions. Types of constrains in mechanism or machines […]
