A lathe turning operation has the following parameters: Depth of cut = 2 mm Feed per...
A lathe turning operation has the following parameters: Depth of
cut = 2 mm
Feed per revolution = 0.2 mm
Cutting speed = 2.5 m/s
Rake angle = 10 degree
Fc/Ft = 1.5
Compute the following: (a) Cutting ratio (b) Shear Angle (c) Friction angle
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A lathe turning operation has the following parameters: Depth of
cut = 2 mm
Feed per...
In a turning operation, cutting speed = 1.8 m/s, feed = 0.30 mm/rev, and depth of...
In a turning operation, cutting speed = 1.8 m/s, feed = 0.30 mm/rev, and depth of cut = 2.6 mm. Rake angle = 8°. After the cut, the deformed chip thickness = 0.56 mm and before the cut, the chip thickness = 0.26 mm. Determine (a) shear plane angle, (b) shear strain, and (c) material removal rate. Use the orthogonal cutting model as an approximation of turning
1. The cutting conditions in a turning operation are v=2m/s f=. 25 mm. and d 3.0...
1. The cutting conditions in a turning operation are v=2m/s f=. 25 mm. and d 3.0 mm. The tool rake angle 10 degrees, which produces a deformed chip thickness t c = 0.54 mm. Determine (a) shear plane angle, (b) shear strain. and (c) material removal rate. Use the orthogonal cutting model as an approximation of the turning process. 3. The cutting force and thrust force have been measured in an orthogonal cutting operation: Fc = 300 lb and Fc...
In an orthogonal metal cutting test in a turning operation, the following conditions were recorded cutting...
In an orthogonal metal cutting test in a turning operation, the following conditions were recorded cutting speed = 160 m/min, feed = 0.28 mm/rev, width of cut-2.4 mm, rake angle-70. After the cut, the deformed chip thickness 0.45 mm, cutting force-950 N and thrust 400 N. Determine (a) shear plane angle, (b) The friction angle, (c) The specific energy of workpiece material, (d) The shear stress on shear plane (e) The friction force (f) The shear strain during the deformation...
During the turning operation, the cutting speed = 2.95 m/s, the feed f = 0.40 mm/rev,...
During the turning operation, the cutting speed = 2.95 m/s, the feed f = 0.40 mm/rev, the depth of cut, d = 1.83 mm, the rake angle α = 5° and the deformed chip thickness= 0.58 mm. The workpiece material has volumetric specific heat = 2.96 x10-3 J/mm3- °C, thermal diffusivity = 0.783 cm2/s and specific energy = 1.036 J/mm3, obtained at feed equal to 0.25 mm/rev. The correction factor for the specific energy is CF = 0.75 to-0.21, when...
During a turning operation on a lathe using a grooved tool, the following forces were recorded:...
During a turning operation on a lathe using a grooved tool, the
following forces were recorded:
Group
1
2
3
4
5
6
Feed force, Fx (kN)
1.70
1.68
1.59
1.75
1.67
1.64
Radial force, Fy (kN)
1.32
1.39
1.44
1.42
1.45
1.38
Tangential force, Fz (kN)
2.18
2.37
2.38
2.32
2.29
2.33
The machine set-up includes a feed (s) of 0.24 mm/rev. and the
depth of cut (d) of 2.5 mm.
Tool rake angle ()
= - 6 deg....
Low carbon steel having a tensile strength of 300 MPa and a shear strength of 220...
Low carbon steel having a tensile strength of 300 MPa and a shear strength of 220 MPa is cut in a turning operation with a cutting speed of 3.0 m/s. The feed is 0.20 mm/rev and the depth of cut is 3.0 mm. The rake angle of the tool is 5 in the direction of chip flow. The resulting chip ratio is 0.45. Using the orthogonal model as an approximation of turning, determine (a) the shear plane angle, (b) shear...
2. (10 points) Low carbon steel having a tensile strength 300 MPa and a shear strength...
2. (10 points) Low carbon steel having a tensile strength 300 MPa and a shear strength 220 MPa is turned at a cutting speed 2.5 m/s. Feed 0.20 mm/rev and depth of cut 3.0 mm. The rake angle 5° in the direction of chip flow. The resulting chip ratio 0.45. Using the orthogonal model to approximate turning, determine (a) the cutting force, (b) thrust force, (c) the friction angle, and (d) material removal rate RMR 73 V2.r d3n -S
Kindly provide with clear step by step solution An orthogonal cutting operation is being carried out...
Kindly provide with clear step by step solution
An orthogonal cutting operation is being carried out under the following conditions: depth of cut-0.10 mm, width of cut 5 mm, chip thickness-0.2 mm, cutting speed = 2 m/s, rake angle = 15°, cutting force-500 N, and thrust force-200 N. Calculate the percentage of the total energy that is dissipated in the shear plane during cutting.
Chapter 15: 1. Shear plane angle and shear strain: In an orthogonal cutting operation, the tool...
Chapter 15: 1. Shear plane angle and shear strain: In an orthogonal cutting operation, the tool has a rake angle = 16°. The chip thickness before the cut = 0.32 mm and the cut yields a deformed chip thickness = 0.72 mm. Calculate (a) the shear plane angle and (b) the shear strain for the operation. 2. Shear strength: The cutting force and thrust force have been measured in an orthogonal cutting operation to be 301 lb and 291 lb,...
Application to manufacturing/ Machining temperature : Estimate the average temperature along the ...
Application to manufacturing/ Machining temperature : Estimate the average temperature along the shear plane and the maximum temperature along the tool rake face for the following conditions during the orthogonal cutting of Ti6Al4V, as function of machining velocity from 1 m/s to 4 m/s: Tool rake angle: - 5 degree . Cutting ratio: 0.3 Cutting force (Fc): 225 N Thrust Force (Ft): 75 N Machining velocity: 1 m/s to 4 m/s Feed: 0.1 mm/rev Width of cut: 1.07 mm Length...
In an orthogonal metal cutting test in a turning operation, the following conditions were recorded cutting speed = 160 m/min, feed = 0.28 mm/rev, width of cut-2.4 mm, rake angle-70. After the cut, the deformed chip thickness 0.45 mm, cutting force-950 N and thrust 400 N. Determine (a) shear plane angle, (b) The friction angle, (c) The specific energy of workpiece material, (d) The shear stress on shear plane (e) The friction force (f) The shear strain during the deformation...
During a turning operation on a lathe using a grooved tool, the
following forces were recorded:
Group
1
2
3
4
5
6
Feed force, Fx (kN)
1.70
1.68
1.59
1.75
1.67
1.64
Radial force, Fy (kN)
1.32
1.39
1.44
1.42
1.45
1.38
Tangential force, Fz (kN)
2.18
2.37
2.38
2.32
2.29
2.33
The machine set-up includes a feed (s) of 0.24 mm/rev. and the
depth of cut (d) of 2.5 mm.
Tool rake angle ()
= - 6 deg....
2. (10 points) Low carbon steel having a tensile strength 300 MPa and a shear strength 220 MPa is turned at a cutting speed 2.5 m/s. Feed 0.20 mm/rev and depth of cut 3.0 mm. The rake angle 5° in the direction of chip flow. The resulting chip ratio 0.45. Using the orthogonal model to approximate turning, determine (a) the cutting force, (b) thrust force, (c) the friction angle, and (d) material removal rate RMR 73 V2.r d3n -S
Kindly provide with clear step by step solution
An orthogonal cutting operation is being carried out under the following conditions: depth of cut-0.10 mm, width of cut 5 mm, chip thickness-0.2 mm, cutting speed = 2 m/s, rake angle = 15°, cutting force-500 N, and thrust force-200 N. Calculate the percentage of the total energy that is dissipated in the shear plane during cutting.
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