Homework Answers
Add Answer to:
Fundamentals of Mechanical Manufacturing Technology: Exercise5 Material-removal Rate The rate (MRR) in turning is the volume...
• 23.44 Calculate the same quantities as in Example 23.1 for high-strength titanium alloy and at...
• 23.44 Calculate the same quantities as in Example 23.1 for high-strength titanium alloy and at N=700 rpm. Use units from Ex 23.1, specify units of each term. (20%) Format Tools Table Window Help 28th ed Chapter 23 - Saved to my Mac Mailings Review View Shape Format ut References ABC Astboeddte AaBb Abd A 2 Example 23.1 Material-removal Rate and Cutting Force in Turning Given: A 150-mm-long, 10-mm-diameter, 304 stainless-steel rod is being reduced in diameter to 8 mm...
a) A workpiece (φ-75 mm, 1 275 mm) is machined using turning at a feed rate of 0.25 mm/rev. At a cutting speed- 3.5 m/s, the turning tool is ineffective after machining 3 parts, and at a cutting s...
a) A workpiece (φ-75 mm, 1 275 mm) is machined using turning at a feed rate of 0.25 mm/rev. At a cutting speed- 3.5 m/s, the turning tool is ineffective after machining 3 parts, and at a cutting speed = 2.5 m/s, the turning tool is effective for producing 20 parts. Calculate the Cutting Speed that will allow 30 parts to be machined between tool changes [20 marks] b) An aluminium alloy workpiece (tensile strength - 325 N/mm2 and yield...
For a turning of a hot rolled free machining steel with BHN=200, you have selected a...
For a turning of a hot rolled free machining steel with BHN=200, you have selected a high-speed steel (HSS) tool and a depth of cut of 0.150 in. The diameter of the workpiece is 2.00 in. (a) What speed and feed would you select for this job? (b) Using a speed of 115 sfpm and the feed of 0.015 ipr, calculate the spindle RPM for this operation. (c) Calculate the metal removal rate MMR. (d) Calculate the cutting time for...
1. A face milling operation is performed on the top surface of a steel rectangular workpiece...
1. A face milling operation is performed on the top surface of a steel rectangular workpiece 12.0 in long by 2.5 in wide. The milling cutter follows a path that is centered over the workpiece. It has five teeth and a 3.0 in diameter. Cutting speed = 250 ft/min, feed = 0.006 in/tooth, and depth of cut = 0.150 in. Determine (a) the actual cutting time to make one pass across the surface and (b) the maximum metal removal rate...
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
Question 1 A turning operation is carried out on aluminum. Based on the specific energy values...
Question 1 A turning operation is carried out on aluminum. Based on the specific energy values in Table 20.2, determine material removal rate and cutting power in the operation under the following sets of cutting conditions: (a) Cutting speed 5.6 m/s, feed 0.25 mm/rev, and depth of cut 2.0 mm; and (b) cutting speed- 1.3 m/s, feed 0.75 mm/rev, and depth 4.0 mm. Question 2 Consider a turning operation performed on steel whose hardness 225 HB at a cutting speed...
Turning tests have resulted in 5-min tool life at cutting speed=160 m/min and a 41-min tool...
Turning tests have resulted in 5-min tool life at cutting speed=160 m/min and a 41-min tool life at speed=100 m/min. a) If you want the tool life to be at least 20 mins. What is the maximum cutting speed you can use? b) The outside diameter of a cylinder made of titanium alloy is to be turned. The starting diameter is 200 mm and the length is 800 mm. The feed is 0.2 mm/rev and the depth of cut is...
Page 10 of 11 15 points A block of nickel alloy, 50 cm long and 20...
Page 10 of 11 15 points A block of nickel alloy, 50 cm long and 20 cm wide, is machined with slab-milling process at a feed rate of 0.025 cm/tooth and a depth of cut of 3.2 mm. The cutter has eight (8) straight cutting teeth, a diameter of 6.5 mm and rotates at 150 rpm. The specific energy of the workpiece (nickel alloy) is 113 W- min/cm3. Calculate The material removal rate. b) The power required, and The cutting...
Problem la: A volume of 10 in. long, 5 in. wide and 0.5 in. thick is...
Problem la: A volume of 10 in. long, 5 in. wide and 0.5 in. thick is to be removed by a face milling cutter. The cutter is 3 in diameter and has a six teeth. The maximum depth of cut is 0.3 in. Assume feed -0.1 ipr and cutting speed - 200 fpm. What are the feed speed, spindle rpm and cutting time? Problem 1b: 0.95 The cutting force for turning a stainless-steel shaft using HSS tool can be predicted...
A slab-milling operation is carried out on a 200 mm long, 80-mm-wide annealed mild-steel workpiec...
A slab-milling operation is carried out on a 200 mm long, 80-mm-wide annealed mild-steel workpiece having a feedrate of 0.1 mm/tooth and a depth of cut of 4.0 mm. The cutter of 50 mm diameter has 18 straight teeth and rotates at 135 rpm. The given specific energy for this material is 3.5 W s/mm3 and the slab mill is wider than the workpiece to be machined. Calculate: ‧ the material-removal rate; ‧ the power and torque required for this...
• 23.44 Calculate the same quantities as in Example 23.1 for high-strength titanium alloy and at N=700 rpm. Use units from Ex 23.1, specify units of each term. (20%) Format Tools Table Window Help 28th ed Chapter 23 - Saved to my Mac Mailings Review View Shape Format ut References ABC Astboeddte AaBb Abd A 2 Example 23.1 Material-removal Rate and Cutting Force in Turning Given: A 150-mm-long, 10-mm-diameter, 304 stainless-steel rod is being reduced in diameter to 8 mm...
a) A workpiece (φ-75 mm, 1 275 mm) is machined using turning at a feed rate of 0.25 mm/rev. At a cutting speed- 3.5 m/s, the turning tool is ineffective after machining 3 parts, and at a cutting speed = 2.5 m/s, the turning tool is effective for producing 20 parts. Calculate the Cutting Speed that will allow 30 parts to be machined between tool changes [20 marks] b) An aluminium alloy workpiece (tensile strength - 325 N/mm2 and yield...
1. A face milling operation is performed on the top surface of a steel rectangular workpiece 12.0 in long by 2.5 in wide. The milling cutter follows a path that is centered over the workpiece. It has five teeth and a 3.0 in diameter. Cutting speed = 250 ft/min, feed = 0.006 in/tooth, and depth of cut = 0.150 in. Determine (a) the actual cutting time to make one pass across the surface and (b) the maximum metal removal rate...
Question 1 A turning operation is carried out on aluminum. Based on the specific energy values in Table 20.2, determine material removal rate and cutting power in the operation under the following sets of cutting conditions: (a) Cutting speed 5.6 m/s, feed 0.25 mm/rev, and depth of cut 2.0 mm; and (b) cutting speed- 1.3 m/s, feed 0.75 mm/rev, and depth 4.0 mm. Question 2 Consider a turning operation performed on steel whose hardness 225 HB at a cutting speed...
Page 10 of 11 15 points A block of nickel alloy, 50 cm long and 20 cm wide, is machined with slab-milling process at a feed rate of 0.025 cm/tooth and a depth of cut of 3.2 mm. The cutter has eight (8) straight cutting teeth, a diameter of 6.5 mm and rotates at 150 rpm. The specific energy of the workpiece (nickel alloy) is 113 W- min/cm3. Calculate The material removal rate. b) The power required, and The cutting...
Problem la: A volume of 10 in. long, 5 in. wide and 0.5 in. thick is to be removed by a face milling cutter. The cutter is 3 in diameter and has a six teeth. The maximum depth of cut is 0.3 in. Assume feed -0.1 ipr and cutting speed - 200 fpm. What are the feed speed, spindle rpm and cutting time? Problem 1b: 0.95 The cutting force for turning a stainless-steel shaft using HSS tool can be predicted...
Most questions answered within 3 hours.
-
Cost and fair value data for the trading debt securities of
Wildhorse Company at December 31,...
asked 1 hour ago -
In a population of jaguars, a gene with two alleles encodes the
fur color. Allele B...
asked 2 hours ago -
Two copper wires, one 1.80 times the diameter of the other, have
the same current flowing...
asked 1 hour ago -
9. In 2003 the price of ‘home heating oil’ substantially
increased during the harsh winter. In...
asked 2 hours ago -
Match the key paradoxes of negotiation.
Claiming Value
Sticking by your principles
Sticking with your strategy...
asked 2 hours ago -
Question text Suppose a sample of 28 observations is taken from
a population, and the sample...
asked 3 hours ago -
The mayor of a small town estimates that 33% of the
residents in the town favor...
asked 4 hours ago -
1. True or false: According to the Gordon Growth Model, firms
that pay dividends will always...
asked 5 hours ago -
20
Lansing Corporation reported net income of $67 million for last
year. Depreciation expense totaled $15...
asked 5 hours ago -
Write a MATLAB userdefined function that calculates the product and
the ratio of two variables x...
asked 5 hours ago -
Timia needs some cash in a hurry. She owns her car outright and
is considering a...
asked 5 hours ago -
A sweepstakes posted the probabilities of winning each prize and
the prize amounts as shown in...
asked 5 hours ago