Show by a suitable sketch the rake and clearance angle of cutting tool in a machining work Also states why these angles are provided.
Q: Following are the data in an orthogonal cutting operation. Rake angle = 15° Cutting speed = 20 m/min…
A: Let us take, α = Rake angle β = Angle of chip friction φ = Shear plane angle From the data given,…
Q: Examples (homework) 1. In orthogonal cutting if the depth of cut is a 1.25 mm and chip thickness…
A: As per our guidelines, we are supposed to answer only first one question in case of multiple…
Q: Turning tests have resulted in 1 min tool life at a cutting speed = 4.0 m/s and a 20 min tool life…
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Q: Make a comprehensive write up on tool-wear and tool life with due reference to cutting speed and…
A: Short cutting times, long tool life, and great cutting precision are ideal cutting circumstances.…
Q: Question 2 Briefly explain the following chips formation in machining operation with the help of…
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Q: A 200 mm long magnesium alloy bar, 63 mm in diameter is turned on a lathe using a high speed steel…
A: Given data, Length of the magnesium alloy bar, L = 200 mm Diameter of the bar, D = 63 mm Velocity of…
Q: Determine the total machining time for a workpiece 30mm in diameter and the required length is 145…
A: Given: Initial length of the material→X=149 mm Initial Diameter of the material→D=38 mm Depth of cut…
Q: The orthogonal cutting of steel is done with 10° rake tool with a depth of cut of 4mm feed rate of…
A: Merchant circle:
Q: with neat sketch explain any three different types mandrels used in a lathe. Why is it used
A: A devices which is used to hold the job for machining on lathes is called Lathe mandrels . Few…
Q: For pocket operation of 2 x 3 inch surface and dept of 0.06 in using 0.5 in end mill tool. What is…
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Q: O In a production turning operation, the foreman has decreed that a single pass must be completed on…
A: in a production turning operation , the foreman has decreed that a single pass must be completed on…
Q: A cutting tool has a nose radius of 1.8mm find the feed rate for a theoretical surface roughness of…
A: Concept: Surface roughness is measured by center line average. (CLA) CLA = (fxf) / (8 x R) Where f…
Q: Show by a suitable sketch the rake and clearance angle of cutting tool in a machining work. Also…
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Q: In orthogonal machining operation the chip thickness and the uncut chip thickness are equal to 0.45…
A: Given:Chip thickness=uncut chip thickness=0.45 mmt1=t2=0.45 mmr=1α=0o
Q: During orthogonal cutting of MS with a 10 ° rake angle tool, the chip thickness ratio was obtained…
A: Given data: The rake angle is θ = 10o. The chip thickness ratio is r = 0.4.
Q: Taylor's tool life equation is given by VT" = C, where V is in m/min and T is in min. In a turning…
A: Given:- Equation:-VTn=CFor tool Xn=0.3C=60For tool Yn=0.6C=90To find:-Cutting speed
Q: A cylindrical mild steel work piece of Ø55 X 200mm undergoes a turning operation on a lathe machine…
A: Given data Diameter of work piece = 55 mmLength of work piece = 200 mmFinal diameter = 45 mmCutting…
Q: For the following application, identify one or more nontraditional machining processes that might be…
A: There are four categories of nontraditional machining processes, based on principal energy form.…
Q: A job has to be machined in shaping and the process parameters are given below: a. Length of…
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Q: In a turning operation on carbon steel with hardness- 175 HB. the cutting speed - 225 m/min, feed-…
A: GivenV=225m/minf=0.25mm/revd=7.5mmη=90% Cutting energy for Brinell hardess 175Hb=1.6J/mm3U=1.6J/mm3
Q: In a cutting test with 0.3 mm flank wear as tool failure criterion, a tool life of 10 min was…
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Q: Find the machining time, in seconds, and the rate of material removing in mm^3, sec for a turning…
A: Given, Diameter of the workpiece, D=80 mm=0.08 m Length, L=0.12 m Cutting speed, v=80 m/min Depth of…
Q: Since the cutting plane angle is 9.5°, the cutting depth is 0.4 mm, the chip thickness is 2.9 mm,…
A: 1.We know that rack angle=Cutting plane angle=9.50
Q: In milling operation, the cutting speed is 150 m/min with a tool of 12 mm diameter. What is the…
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Q: The workpiece of size o 50 mm x 90 mm length is to be reduced to o 42 mm x 85 mm. If the depth of…
A: We have provided data from the question, Initial diameter= 50 mm; Initial length= 90 mm Final…
Q: In a machine test, a cutting speed of 100 m/min indicated the tool life as 16 min and a cutting…
A: Given data: The first cutting speed is V1 = 100 m/min. The tool life based on first cutting speed…
Q: Q1. A job of diameter 30 mm is being machined at feed of s = 1.0 mm/rev and spindle speed of n = 500…
A: given that , diameter of job=30 mm feed rate =1.0mm/rev spindle speed =500rpm orthogonal rake angle…
Q: 2. Illustrate the influences of tool wear on the workpiece and the overall machining operation.
A: Due to the tool wear following consequences can be seen - The cutting temperature will increase.…
Q: The machine preferred for producing 100 pieces
A: Given; Data shown is; Conventional lathe and CNC lathe are in consideration for…
Q: Explain how a dull tool can lead to negative rake angles.
A: Dull tool :- With large lots and aggressive machining conditions, it is likely that cutting tools…
Q: What size is called actual? 1) the size obtained in the machining of parts and measured with an…
A: Answer - option (1) - the size obtained in the machining of parts and measured with an allowable…
Q: mm and 7.6 An orthogonal machining operation is performed on a mild steel part 5 mm wide. The tool…
A: Introduction: The cutting velocity in orthogonal cutting is perpendicular to the breadth of the…
Q: Q1 The tool signature of a single point cutting tool in NRS system is 15° – 10° – 5° – 10° – 25° –…
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Q: (j) In a turning operation on stainless steel with hardness = 200 HB, the cutting speed = 250 m/min,…
A: Given data : stainless steel with hardness = 200 HB cutting speed (v) = 250 m/min feed (f) = 0.3…
Q: In an orthogonal machining with a tool of 9 degree orthogonal rake angle, the uncut chip thickness…
A: Given, Orthogonal rake angle = α = 9o Uncut chip thickness = t = 0.2 mm Minimum chip thickness = tc1…
Q: The following data is applicable for a turning operation. The length of job is 900 mm, diameter of…
A: Given data: The length of the job is L = 900 mm. The diameter of the job is D = 200 mm. The feed…
Q: Write down the steps required to proof the mathematical relation for SHEAR PLANE ANGLE in Orthogonal…
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Q: 2 1.63 With a carbide tool, the temperature in a cutting operation is measured as 650K when the…
A: Given: feed = 0.05 mm/rev T1=650 K
Q: State whether or not the following statements are true for orthogonal cutting, explaining your…
A: Let us discuss about orthogonal cutting.
Q: Show that, for the same shear angle, there are two rake angles that give the same cutting ratio
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Q: Calculate the machining time required to reduce from 60mm diameter shaft to 50mm diameter, for a…
A: Initial diameter, Do= 60 mm Final diameter, Df= 50 mm Length, L= 1500 mm For rough cut, depth of…
Q: For the operation of straight turning in a lathe machine, the diameter of the workpiece is 80 mm,…
A: Given Data Diameter of workpiece is: D=80 mm=0.08 m Length of workpiece is : L=0.12 m Cutting…
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- A mild steel specimen of Initial diameter of 30.5 mm is turned to final diameter of 27 mm for an initial length of 153 mm on a lathe machine. Using the given data find the following. (i) Feed of 0.4 mm/rev & Depth of cut is 0.5 mm (ii)During machining the tool's approach length is 5 mm, over run length is 2mm (iii) Time required to complete one single turning operation is 3.5 minutes (c) Spindle speed in in rpm (= (d) Cutting speed in m/minutes(=A mild steel specimen of Initial diameter of 53.5 mm is turned to final diameter of 49 mm for an initial length of 151 mm on a lathe machine. Using the given data find the following. (i) Feed of 0.2 mm/rev & Depth of cut is 0.5 mm (ii) During machining the tool's approach length is 7 mm, over run length is 4mm (iii) Total time required to complete the turning operation is 52.6 minutes (a) Find number of passes to finish the entire turning operation (b) The actual length of the turning operation in mm (c)The time required to complete one single turning operation in minutes (d) Spindle speed in rpmA mild steel specimen of Initial diameter of 32.5 mm is turned to final diameter of 25 mm for an initial length of 154 mm on a lathe machine. Using the given data find the following. (i) Feed of 0.3 mm/rev & Depth of cut is 0.5 mm (ii)During machining the tool's approach length is 6 mm, over run length is 3mm (iii) Time required to complete one single turning operation is 2.3 minutes (a)Find number of passes to finish the entire turning operation (b) Total time required to complete the turning operation in minutes (c) Spindle speed in in rpm (d) Cutting speed in m/minutes
- A mild steel specimen of Initial diameter of 53.5 mm is turned to final diameter of 47 mm for an initial length of 154 mm on a lathe machine. Using the given data find the following. (i) Feed of 0.4 mm/rev & Depth of cut is 0.5 mm (ii) During machining the tool's approach length is 5 mm, over run length is 2mm (iii) Total time required to complete the turning operation is 59.6 minutesA mild steel specimen of Initial diameter of 53.5 mm is turned to final diameter of 47 mm for an initial length of 154 mm on a lathe machine. Using the given data find the following. (i) Feed of 0.4 mm/rev & Depth of cut is 0.5 mm (ii) During machining the tool's approach length is 5 mm, over run length is 2mm (iii) Total time required to complete the turning operation is 59.6 minutes (a) Find number of passes to finish the entire turning operation ( (b) The actual length of the turning operation in mm ('1. List the operations and the tools needed to make the following shape.2. Find the speed of rotation (RPM N) of each tool during roughing andfinishing.The material of the piece is Stainless Steel (C45) with CARBIDE TOOL.
- Write TRUE is the statement/s is True. If the statement is false, identify the word/s that makes the sentence incorrect and write its corresponding correct answer. Alterations on the independent factors during cutting process can cause tool wear. Surface finish and surface integrity of the workpiece are affected by the tool shape and its sharpness.In machining operation, if velocity doubled then the tool life reduced to 1/16 th of initial value find the Taylor's tool life index (n) for a machining operation.How many cutting-plane lines are shown on this print?
- 1. A workpiece with 25mm diameter is turned in a centre lathe with a back rake angle of 12 degrees and front relief angle 7 degrees. Calculate the actual cutting angles (rake angle and clearance angle) if the cutting tool is set (a) 0.8mm above the centre line of the work piece, and (b) 0.8mm below the centre line of the work piece. Rake angle h End clearance angle Figure. Tool setting errorsFor straight turn of a 6 x 1.1-inch dia. into 1in finished diameter material. What is the time required to finished a cut when the depth of cut is 0.02 inch and the feed rate 5 inch / sec, RPM is 60. The subject is Machine Shop TheoryWhat size is called actual? 1) the size obtained in the machining of parts and measured with an allowable error 2) the size calculated and indicated on the detail drawing 3) the limit size, bigger of which should not be the size of the finished part 4) the limit size, smaller of which should not be the size of the finished part.