A 300-mm-wide strip 25-mm thick is fed through a rolling mill with two powered rolls each of radius 250 mm. the work thickness is 10 be reduced to 22 mm in one pass at a roll speed of 50 rev/min. The work material has a now curve defined by K 275 MPa and n 0.15, and the coefficient of friction between the rolls and the work is assumed to be 0.12. Determine if the friction is sufficient to permit the rolling operation to be accomplished, If so, calculate the roll force, torque. and horsepower

Q: Q5- A single-pass rolling operation reduces a 15mm-thick plate to 12mm. The roll has a radius of…

A: GIVEN DATA INTIAL THICKNESS hi=15mm FINAL THICKNESS hf=12mm ROLL RADIUS R=400mm WE HAVE TO CALCULATE…

Q: A bar stock of initial diameter = 90 mm is drawn with a draft = 15 mm. The draw die has an entrance…

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Q: In a rolling operation using a roll of diameter 1.5 m, if a 35 mm thick plate cannot be reduced to…

A: Given data: - The diameter of the roll is D = 1.5 m. The maximum possible reduction is t' = 12 mm.…

Q: 3) an open die. Initial diameter of the cylindrical work part = 30 mm, and its height = 50 mm. The…

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Q: Please give me full explanation in 1hour do it fast A 4-in-thick aluminum slab is 10 in wide and 100…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: Estimate the power for annealed low carbon steel strip 200 mm wide and 10 mm thick, rolled to a…

A: Rolling is a metal forming process in which a material is plastically deformed by passing it between…

Q: During a hot upset forging process the starting diameter of work part is 36 mm, and starting height…

A: Given, Initial radius, r1=18 mmFinal radius, r2=35 mmInitial height, h1=33 mmYf=45 MPaμ=0.2

Q: Two parallel shafts, 20 in. apart and rotating at 450 rpm and 112.5 rpm, are connected by cylinders…

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Q: A copper strip of 200 mm width and 300 mm thickness is to be rolled to a thickness of 295 mm The…

A: Given:Width of the copper strip=200 mmThickness of copper strip, hi=300 mmFinal thickness of copper…

Q: A 300-mm-wide strip 25-mm thick is fed (Bottom roll removed) through a rolling mill with two powered…

A: Given: The width of strip, b = 300 mm The thickness of strip, x = 25 mm The radius of rolls, R = 250…

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

A: Given:Initial diameter, Di=10 mmFinal diameter, Df=8 mmflow stress of the material, σo=400 MPa

Q: To draw an aluminum wire with an initial diameter of 8 mm in three passes, up to a diameter of 4 mm.…

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Q: A strip with a cross section 120 mm x 6 mm is being rolled with 20% reduction area, using rolls of…

A: Given Strip = 120 mm X 6 mm Deduction = 20% Diameter = 400 mm Coefficient of friction = 0.1 To find…

Q: Wire stock of initial diameter = 3.175 mm is drawn through two dies each providing a 0.20 area…

A: Introduction: The flow stress is the stress at which the wire yields or deforms plastically, and it…

Q: q1)Work-parts that have low area to- volume ratio are called. Select one: a. Bulk b. Billets c.…

A: Given:

Q: In rolling process, calculate the applied torque in (N.m) when w= 600mm, K = 275 MPa, n = 0.10, %3D…

A: Given Data W=600 mm K=275 MPa n=0.1 ho=35 mm hf=29 mm R=373.3 mm

Q: An aluminium strip with a cross section of 200 mm × 8 mm is being rolled with 25%  reduction of…

A: Given Data: Aluminium strip cross sectional area A=200 mm×8 mm Diameter d=400 mm  Tensile yield…

Q: A hydraulic forging press is capable of exerting a maximum force = 1,000,000 N. A cylindrical…

A: Given data as per question Maximum force = 100000 N diameter=30 mm Height=30 mm K =400 Mpa n =0.2…

Q: A hole is being drilled in a block of alloy steel with a 10-mm drill bit at a fee 0.0001 m/rev and…

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Q: entry angle = 15o. The starting diameter is 0.100 in. And the final diameter = 0.080 in. The…

A: first of all find out tru strain and then mean flow stress from given data.refer below image.

Q: A strip with a width of 12 in. And 1 in. Thick is fed through a rolling mill with rolls of 10 in.…

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Q: In a rolling operation using rolls of diameter 500 mm, if a 25 mm thick plate cannot be reduced to…

A: H=25-20 mm=5 mm R=250 mm Maximum draft for successful rolling per pass is given by, H=μ2R5 =…

Q: 10)The maximum draft in a rolling operation is (R= radius of roll and p=coefficient of friction) is…

A: Rolling is a type of metal deformation that is commonly utilised in the metal forming process. It is…

Q: Example (H.W.) Rolling factory reduces the thickness of a 75 mm thick plate to 45 mm in one pass.…

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Q: Examplé (H. Rolling factory reduces the thickness of a 75 mm thick plate to 45 mm in one pass. Roll…

A: Rolling is a method of decreasing the cross sectional area of metal by compressing it between two…

Q: A 200 mm wide and 42.0 mm thick plate made of low carbon steel is to be reduced in one pass in a…

A: Given: The width of the plate, b1 = 200 mm The thickness of plate initially, t1 = 42 mm The increase…

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

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Q: A sheet 300mm wide 25mm thick with two drives, each with a radius of 250mm it is passed through a…

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Q: A solid piece of steel 60 mm in diameter and 80 mm height is reduced in height by 50 percent with…

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Q: A 60 mm power screw has triple square threads with a pitch of 6 mm and a friction angle of…

A: Given: As it is not mentioned that the given diameter is major, minor or mean. Let the given…

Q: A mechanical press is powered by a 23-kW motor and operates at 40 strokes per minute. It uses a…

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Q: A cylindrical work piece is subjected to a cold upset forging operation. The starting piece is 80 mm…

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Q: The team is rolling a 300-mm-wide strip 25-mm thick with two powered rolls each of radius = 250 mm…

A: Since you have posted a question having multiple subpart  we will solve first three part for you To…

Q: the work metal has a flow curve defined by K=300MPa and n=0.2, and the coefficient of friction…

A:

Q: A mechanical press is used in a forging operation of a 13.5mm in diameter cylinder. The press is…

A: Given Data The initial diameter is: Di=13.5 mm The Motor power is: P=26.4 kW The velocity is: V=308…

Q: I. Using smaller diameter rolls, to reduce the contact area II. Taking smaller reductions per pass,…

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Q: A solid cylindrical work piece is reduced in height by an open die forging process using flat dies…

A: Given : initial diameter = 100 mm initial height = 60 mm final height = 0.85×60 = 51 mm coefficient…

Q: 2. A 300 mm wide, 40 mm thick plate is reduced to 30 mm thickness in one pass by hot rolling. Roll…

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Q: Would you kindly answer this question  A rolling operation on a 250 mm wide, 8 mm thick, 1112 cold…

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Q: In a slab rolling operation, the maximum thickness reduction (del hmax) is given by del hmax = μ²R,…

A: Given:∆hmax=μ2 RR= radius of the roll,μ= coefficient of frictionμ=0.1

Q: A strip (300x30 mm) is fed through a rolling mill with two powered rolls (each with radius of 300…

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Q: Maximum reduction in thickness for one pass in rolling process is Ahmax that can be expressed by Ah…

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Q: The thickness of a metallic sheet is reduced from an initial value of 16 mm to a final value of 10…

A: Data given-  T1 = 16 mm  T2 = 10 mm  D = 400 mm  So R = D/2 = 400/2 = 200 mm

Q: In rolling process, contact length between roll and workpiece (L) can be approximately determined…

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Q: An aluminium slab of 750 mm x 80 mm x 36 mm is forged to the thickness of 25 mm. Find the upsetting…

A: Introduction: Upset forgings are created by concentrating material in a specific section of carbon,…

Q: In a rolling mill, the rollers can exert a pressure of 219 MPa on the sheet being rolled. If the…

A: Given:-h1=2 mmh2=2×0.25=0.5 mmμ=0.35To find:-Diameter

Q: 2. Forging. Based on 18.12 (7th ed.) A cylindrical work part has a starting height of 4 inches and a…

A: Given data: The starting height of the cylinder work part is: ho=4 in. The starting diameter of the…

Q: A press machine is capable of punching 6 washers at same time whose size is 28mm x 12mm x 2mm &…

A: Given data Pressing Machine is capable of punching 6 washers at the same timeDimension of the washer…

Q: A rolling operation on a 250 mm wide, 8 mm thick, 1112 cold rolled steel takes place using hardened…

A:

Forming and Shaping

Metal forming is a category of metalworking process through which the material can be given the desired shape and size by subjecting it to plastic deformation, where the component undergoes bulk deformation process upon application of loads. Unlike the shearing and machining process, the material does not undergo up to a failure point as indicated in the stress-strain curve. Hence, the stresses induced during the forming process are greater than yield strength but less than the failure strength of the material. The process does not lead to the loss of material, so it can be said to be an economical process. During forming, the material is subjected to tensile forces, compressive forces, bending, and shearing loading conditions. The material should possess the property of ductility to undergo the forming process.