Resilience is a capability of a material to absorb the energy. Briefly, the Strain energy stored in a body due to some external load is known as the Resilience where the body is within the elastic limit. Proof Resilience and Modulus of Resilience are discussed in this article. Resilience When a body subjected to external […]
What is Bulk modulus? | Bulk Modulus Vs Young’s Modulus Vs Rigidity Modulus
When a body is subjected to a system of forces, then there will be a change in the volume of the body due to the stress acts on the body. Bulk modulus is the measure of resistibility to the external forces acting on the body. whereas Young’s modulus is stiffness in the body, whereas Rigidity modulus or […]
What is the effect of adding Impurities on Cast Iron?
In the previous article, we have discussed what are the different types of Cast Iron. In this article, we are going to brief about how the mechanical properties are going to change when we add some impurities on Cast Iron. Effect of Adding Impurities on Cast Iron Alloy cast iron is obtained by adding the different […]
What are the factors in Selection of Materials for Engineering Purposes?
In manufacturing process selection of materials for the design of a machine is an essential step to accomplish the reliable functionality of the machine. The selected material should satisfy both the availability as well as the function and many other factors. Those are discussed In brief. There are some factors need to be considered while selecting a […]
Classification of Materials | Engineering Material Classification
In Mechanical Engineering The material science plays a significant role. As a Design Engineer, it is necessary to understand the Classification of materials, Material Properties, and Selection of materials for engineering purpose. Selecting a suitable material base upon the condition of operation and machinability and many other factors is also a big task. Let’s get into the subject […]
What is Impact load? and Impact stress Formula?
Sometimes machine members are subjected to load with a sudden impact due to falling or hitting one object on another. The load produced due to these actions is known as the Impact load. The stress produced in the machine members due to the Impact load is known as the Impact stress. Let’s discuss this topic in a […]
Example Problems on Fundamental deviation Calculations
Fundamental deviation Calculations: The fundamental deviation is an allowance rather than tolerance. The allowance is simply the deviation between the hole minimum diameter to the shaft maximum diameter. Where the tolerance refer to either hole (Max. dia of hole-Min. Dia. of the hole) or shaft (Max. Dia. of the shaft- Min. Dia. of the Shaft). There are […]
What is Safety factor / Factor of safety ?
In the design of machine members, it is necessary to understand the Safety factor (SF). It is also known as Factor of safety (FoS). It describes that the load carrying capacity of any designed member. How much stronger the system than the expected or intended. Make sense? Let’s get into the topic thoroughly. The Safety Factor […]
What is a Bearing Stress? How a bolt can experience the Bearing failure?
When machine members fastened together with Riveted joints, cotter joints, knuckle joints etc. There will be a compressive stress produced at the surface of contact between the two machine members. This stress can be called as the Bearing Stress. Let’s see how a bolt can experience the bearing failure. Bearing stress can also be said as […]
What is Shear stress and Shear strain?
In a Machine, every component subjected to various forces. Due to these forces acting on the machine components, there are various types of stresses are induced. Where a simple stress is defined as the internal resistance force that opposes the external force per unit area. Where the Strain is defined as the deformation per unit length. […]
What is Young’s Modulus or Modulus of Elasticity?
Young’s Modulus is a mechanical property of the material where it can be called as modulus of Elasticity/Elastic Modulus. An English physician and physicist named Thomas Young described the elastic properties of materials. Young’s modulus can be defined as simply the stiffness of a solid material. When an external force acts upon a body, then the […]
What is Simple Stress and Strain definitions?
In a Machine, every component subjected to various forces. Due to these forces acting on the machine components, there are various types of stresses are induced. Where a simple stress is defined as the internal resistance force that opposes the external force per unit area. Where the Strain is defined as the deformation per unit length. […]
What is Surface Finish and Surface Roughness?
In Mechanical Engineering Surface finish and the surface roughness, both are referred to same. But In general Surface finish referred as the overall texture of the surface and it is a combination of three factors. Those are surface roughness, Surface waviness, Lay. Little Confusion? Let’s get into the topic Make it Clear. We produce Machine elements […]
How to Calculate tolerance values for shaft or a hole?
In machine Design, each machine member will be mated with another machine member with the defined fit. There are the different type of fits available. They are Clearance Interference, Transition fits. These fits are controlled with some Tolerances and allowances according to some Standards. Actually, these tolerances values can be calculated. According to Indian Standard […]
Fundamental deviations for shaft and holes acc. Indian Standard system.
Fundamental Deviation of shaft and holes– Fundamental deviation is an allowance rather than tolerance. The allowance is simply the deviation between the hole minimum diameter to the shaft maximum diameter. Where the tolerance refer to either hole (Max. dia of hole-Min. Dia. of the hole) or shaft (Max. Dia. of the shaft- Min. Dia. of […]
What are Hole Basis System and Shaft Basis system?
Hole Basis System and Shaft Basis system – In the Machine design process there are different components that are mated together to make the machine. These components will have different functions. Based on their type of functions there must be the type of fits between the two mating components should be determined. How actually can […]
What are the different types of Fits in Engineering?
Types of Fits In Engineering-In mechanical engineering, the Mating of two components is to be determined based on the function of the two components. Even though the fasteners make them tight but tightness between the two surfaces may be needed high in some applications wherein in other applications it is not required to be that […]
What are the important Terms used in Limit System?
In mechanical engineering System of limits or Limit System is a concept of controlling the sizes of machine elements while manufacturing each component. Because taking exact dimensions is an ideal condition but in practical(Manufacturing/Measuring) methods, it is not possible. So limit system enables how much amount of deviation is acceptable. How do we apply the limit system […]
What is Interchangeability in Machine Design? | Interchangeable Parts |
Topic: What is Interchangeability in Machine Design? | interchangeable parts | In Machine Design Interchangeability represents the interchangeable parts. So what are the Interchangeable parts? A machine is a combination of several components. If any of the components is failed or broken then the part needed to be replaced with a new component. This new component should […]
What are the Manufacturing Processes for Engineering Materials?
Topic: What are the Manufacturing Processes for Engineering Materials? Producing a product from the raw materials involves a number of operations. These all operations come under the manufacturing processes. The knowledge of the manufacturing processes is the backbone of engineering. There are different manufacturing processes are available. They are discussed in brief below. Manufacturing Processes The following are […]
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