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An orthogonal cutting operation is being carried out...
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...
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,...
Manufacturing of Engineering 21.1. In an orthogonal cutting operation, the tool has a rake angle=15°.The chip...
Manufacturing of Engineering 21.1. In an orthogonal cutting operation, the tool has a rake angle=15°.The chip thickness before the cut = 0.30 mm and the cut yields a deformed chip thickness = 0.65 mm. Calculate (a) the shear plane angle and (b) the shear strain for the operation. 21.2 In Problem 21.1, suppose the rake angle were changed to a α= 0°. Assuming that the friction angle remains the same, determine (a) the shear plane angle, (b) the chip thickness,...
Manufacturing Q10 - The shear strength of a certain work material 50,000 lb'in". An orthogonal cutting...
Manufacturing Q10 - The shear strength of a certain work material 50,000 lb'in". An orthogonal cutting operation is perfommed using a tool with a rake angle = 20° at the following cutting conditions: cutting speed = 100 ft/min, chip thickness before the cut = 0.015 in, and width of cut = 0.150 in. The resulting chip thickness ratio = 0.50. Determine (a) the shear plane angle; (b) shear force; (c) cutting force and thrust force, and (d) friction force. wers:...
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
Problem Use the following information to answer questions 22-23. The cutting force and thrust force in...
Problem Use the following information to answer questions 22-23. The cutting force and thrust force in an orthogonal cutting operation are 1470 N and 1589 N, respectively. The rake angle = 5, the width of the cut=5.0 mm, the chip thickness before the cut = 0.6 mm, and the chip thickness ratio = 0.38. Question 22 Homework – Unanswered What is the shear plane angle in degreesty? B 2133 5. OD 3363 Unanswered Sub Question 23 Home Ungered What is...
1. A certain work material has shear strength of = 50,000 lb/in. An orthogonal cutting operation...
1. A certain work material has shear strength of = 50,000 lb/in. An orthogonal cutting operation is performed using a tool with a rake angle = 20° at the following cutting conditions: cutting speed - 100 ft/min, chip thickness before the cut = 0.015 in, and width of cut = 0.150 in. The resulting chip thickness ratio = 0.50. Determine (a) The shear plane angle; (b) Shear force; (c) Cutting force and thrust force, and (d) Friction force. 2.1 The...
QUESTION 5 During the orthogonal cutting of medium carbon steel rod with diameter of 75 mm...
QUESTION 5 During the orthogonal cutting of medium carbon steel rod with diameter of 75 mm and yield strength of 240 N/mm², the following machining data were used: Rake angle = 12°C Spindle speed = 950 rev/min Chip thickness ratio = 0.25 mm Depth of cut = 0.8 mm Width of cut = 5.0 mm Horizontal component of the cutting force = 1000 N The vertical component of the cutting force = 1400 N Calculate the following: (a) Shear plane...
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...
Problem Use the following information to answer questions 22-23. The cutting force and thrust force in an orthogonal cutting operation are 1470 N and 1589 N, respectively. The rake angle = 5, the width of the cut=5.0 mm, the chip thickness before the cut = 0.6 mm, and the chip thickness ratio = 0.38. Question 22 Homework – Unanswered What is the shear plane angle in degreesty? B 2133 5. OD 3363 Unanswered Sub Question 23 Home Ungered What is...
1. A certain work material has shear strength of = 50,000 lb/in. An orthogonal cutting operation is performed using a tool with a rake angle = 20° at the following cutting conditions: cutting speed - 100 ft/min, chip thickness before the cut = 0.015 in, and width of cut = 0.150 in. The resulting chip thickness ratio = 0.50. Determine (a) The shear plane angle; (b) Shear force; (c) Cutting force and thrust force, and (d) Friction force. 2.1 The...
QUESTION 5 During the orthogonal cutting of medium carbon steel rod with diameter of 75 mm and yield strength of 240 N/mm², the following machining data were used: Rake angle = 12°C Spindle speed = 950 rev/min Chip thickness ratio = 0.25 mm Depth of cut = 0.8 mm Width of cut = 5.0 mm Horizontal component of the cutting force = 1000 N The vertical component of the cutting force = 1400 N Calculate the following: (a) Shear plane...
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