During pure bending, why there is no shear stress?

Q: 5.1 Calculate the final bend radius for a 3 mm thick 6061 T6 aluminum plate that is formed using a…

A: Given : Thickness = 3  mm punch = 8 mm To find: Final radius

Q: Explain why and how various factors influence springback in bending of sheet metals.

A: Plastic deformation in the material is always followed by the elastic recovery, since the elastic…

Q: Name 2 types of bending?

A: Bending is a type of forming process in which the required object maybe a rod, tube or sheet metal…

Q: 3. For a beam in bending, what is a suitable Airy Stress Function? Why?

A: given; for a beam in bending ,what is suitable airy stress function? why?

Q: A 300 mm thick slab is being cold rolled using roll of 600 mm diameter. If the coefficient of…

A: Given, Thickness of slab=300mm Diameter of roller,D=600mm Radius of roller, R=300mm Coefficient of…

Q: In a multi-pass operation, a round bar of 10 mm diameter and 100 mm length is reduced in…

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Q: Explain the methods of reducing or eliminating springback in bending with proper diagram.

A: When a metal tends to return to its original shape after undergoing tension and compression, that…

Q: What is the general equation for bending?

A: The general equation of bending is basically used in all the bending cases, i.e., for symmetrical…

Q: Why is it necessary to be sure the actual bending and shear stress in thebeam does not exceed…

A: The actual bending and shear stress:  The actual bending stress and shear stress of a beam should…

Q: A 2 mm thick metal sheet is to be bent at an angle of one radian with a bend radius of 100 mm. If…

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Q: Question: 2  a. Distinguish between roll bending and roll forming. b. What are some of the simple…

A: This above all process are used for manufacturing purpose in mechanical industry.

Q: What is sheet metal working process and its parameters? Diagrams?

A: Definition:- The process in which force is applied to a piece of sheet metal so as to modify its…

Q: What are the advantages of a counterblow or impact forging machine? What are some of the properties…

A: The counterblow hammers are used in the process of forging for better forging energy levels. The…

Q: Clarify aspect of economically and technically grounds the preference of fine reductions rather than…

A: The fine reduction is much better than thick reduction due to following reasons : Technically : Due…

Q: Explain the shear and moment diagrams? How they are used to calculate the bending moment?

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Q: Describe with the aid of a neat sketches two forging processes and briefly discuss their relative…

A: Forging is a process of forming and shaping metals through the use of t hammering and pressing or…

Q: Write a Brief Application of Pure Rolling Bodies in The Mechanical Systems?

A: Pure rolling refers to the rolling process in which no slide is seen. Pure rolling is a motion…

Q: Friction between .................. and .... ........... in direct extrusion more force requires. m)…

A: Given :-  L) Friction between .................. and .... ........... in direct extrusion more…

Q: Compare the force required to draw (25mm×6mm) capper strip to 45% reduction of area with that…

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Q: ; It is proposed to use an axisymmetric drawing operation to reduce the diameter of a cylindrical…

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Q: 7.2 Which recommendations you would make for forging materials with limited ductility.

A: Ductility is the ability of the material to be drawn into various shapes without being damaged.…

Q: An open die forging operation is performed to produce a steel cylinder with a diameter o 9.7mm and a…

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Q: How can I find the reactions, shear force and bending moment in this problem?

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Q: It is proposed to use an axisymmetric drawing operation to reduce the diameter of a cylindrical rod…

A: Calculated the minimum number of drawing stages needed to reduce diameter of cylinder from Do to…

Q: Based on the part information provided in Figure 1: i) Calculate the bend allowance required for…

A: Given: To find: Bend allowance for bend A Angle of forming tool for a spring back of 0.075…

Q: Give short Definition about: 1. Rolling: 2. Extrusion: 3. Strength: 4. Elasticity: 5. Plasticity:

A: Rolling and extrusion are the metal forming processes.  Metal forming is a process where the…

Q: What is K constant in sheet metal bending? How to calculate shear force and extrusions? Formulas?

A: When sheet metal bends, the bend allowance is given byLb=αR+ktWhere ,Lb=is the bend allowance α=bend…

Q: What is the working principles of Sheet Metal Rolling Machine?

A: This process is used to reduce the cross sectional area of the metal sheets. Thickness is reduced…

Q: A- Describe the purpose of a container liner in direct extrusion, as shown in the following figure.…

A: A) Purpose of the Container Liner in direct extrusion : When the pressing stem press the extrusion…

Q: Why is the punch diameter a factor in bend test?

A: The bend test machine is typically a universe testing machine that is used to evaluate ductility of…

Q: what effects does bending have on material properties

A: What is bending? It is defined as the state of stress.

Q: 7) Sometimes Drawing crimps are used in deep drawing process for producing complex shapes. Why? B)…

A: Crimps are used to join two or more pieces of metal by deforming one or both of them to hold each…

Q: Using direct extrusion process, a round billet of 100mm length and 50mm diameter is extruded.…

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Q: The . . cost of forging dies and the cost of their maintenance is high

A: Manufacturing processes Manufacturing processes is process in which raw material is transformed in…

Q: n a wire drawing operation diameter of a steel wire is reduced from 10 mm to 8 mm. The mean flow…

A: Given:Di=10 mmDf=8 mmσo=400 MPaμ=0,β=0

Q: Describe the method of improving the forging die life and the advantages of improving the forging…

A: Dietary Restrictions Forging is a forging technique in which dies move near each other and…

Q: In open die forging a disc of diameter 125 mm and height 60mm is compressed without any barreling…

A: Open Die Forging

Q: What is K-constant when it comes to sheet metal bending? How do you measure it and what's the…

A: When a piece of sheet metal is being bend than the inner fiber of the bend compresses while the…

Q: A cylindrical part is warm upset forged in an open die. The initial diameter is 50 mm and the…

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Q: A deep drawing operation for a cup is performed in which the inside diameter = 60 mm %3D and the…

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Q: Rolling direction of cold rolled carbon steel has direct effect on tensile, yield strength and the…

A: the rolling direction of cold-rolled carbon steel is moved in the opposite direction of the roller…