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1. Determine the proper speed and feed for a 4" diameter side cutter (HSS) with 16...
A 150 mm diameter slab-milling cutter has 10 teeth and is used at a feed speed...
A 150 mm diameter slab-milling cutter has 10 teeth and is used at a feed speed of 1.5 mm/s. estimate the "ideal" arithmetical mean surface roughness when the rotational frequency of the cutter is 3 s1 93
A Face Milling Operation on machine steel plate is performed with a 2" diameter (D) cutter...
A Face Milling Operation on machine steel plate is performed with a 2" diameter (D) cutter (High Speed Steel) of 6 tecth. Using Cutting speed of steel (CS) and Chip load per tooth (Feed) from lab manual table Length (L): 6 inch Determine Time to cross the plate in seconds (Tm) Spindle 2 inches 6 inches
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...
Q9: What would the RPM be if we were turning a 375 diameter workpiece made out...
Q9: What would the RPM be if we were turning a 375 diameter workpiece made out of mild steel on the lathe? Q10: What materials are used as the cutting tools of milling machine? Q11: What would the RPM be if we were turning a 1.00" diameter work piece made out of mild steel, using HSS cutting tool? Q12: What would the RPM be if we were turning a 1.00" diameter work piece made out of mild steel, using Carbide...
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...
answer a) is 1.35 and b) 7.16 i want the answer for c Problem #4 A...
answer a) is 1.35 and b) 7.16 i want the answer for c Problem #4 A slab milling operation is performed on the top surface of a steel rectangular workpiece 12.0 in fong by 2.5 in wide. The helical milling cutter, which has a 3.0 in diameter and ten teeth, is set up to overhang the width of the part on both sides. Cutting speed is 125 ft/min, feed is 0.006 in/tooth, and depth of cut - 0.300 in.? Determine...
.Suppose you want to drill a 2-in. thick plate of cast steel (0.4%C), 4-in. diameter hole....
.Suppose you want to drill a 2-in. thick plate of cast steel (0.4%C), 4-in. diameter hole. An indexable HSS insert drill has been selected. Consider the table below, select the appropriate cutting speed, feed rate. Calculate the spindle speed (rpm), the feed rate (in/min), the MRR, and cutting time. Assume the cutting process will be performed in3 steps using 3 drills sizes in sequence 1”, then 2”, then 4”. Calculate the cutting total cutting time, considering a proper allowance each...
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...
Question 1 2) Manufacturing processes can be classified into 2 (Two) major groups. Briefly describe the...
Question 1 2) Manufacturing processes can be classified into 2 (Two) major groups. Briefly describe the characteristics of each group. Aid your answer with hierarchy. (10 marles) 1) Sand casting is a process for casting metal in sand molds. Explain FIVE (3) sand casting benefits to the industry (marks) Riser, also known as feeder, is an important part in a sand mold. Briefly describe the function of a riser in a sand casting mold Hence, illustrate the possible types and...
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...
A 150 mm diameter slab-milling cutter has 10 teeth and is used at a feed speed of 1.5 mm/s. estimate the "ideal" arithmetical mean surface roughness when the rotational frequency of the cutter is 3 s1 93
A Face Milling Operation on machine steel plate is performed with a 2" diameter (D) cutter (High Speed Steel) of 6 tecth. Using Cutting speed of steel (CS) and Chip load per tooth (Feed) from lab manual table Length (L): 6 inch Determine Time to cross the plate in seconds (Tm) Spindle 2 inches 6 inches
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...
Q9: What would the RPM be if we were turning a 375 diameter workpiece made out of mild steel on the lathe? Q10: What materials are used as the cutting tools of milling machine? Q11: What would the RPM be if we were turning a 1.00" diameter work piece made out of mild steel, using HSS cutting tool? Q12: What would the RPM be if we were turning a 1.00" diameter work piece made out of mild steel, using Carbide...
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...
answer a) is 1.35 and b) 7.16 i want the answer for c Problem #4 A slab milling operation is performed on the top surface of a steel rectangular workpiece 12.0 in fong by 2.5 in wide. The helical milling cutter, which has a 3.0 in diameter and ten teeth, is set up to overhang the width of the part on both sides. Cutting speed is 125 ft/min, feed is 0.006 in/tooth, and depth of cut - 0.300 in.? Determine...
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...
Question 1 2) Manufacturing processes can be classified into 2 (Two) major groups. Briefly describe the characteristics of each group. Aid your answer with hierarchy. (10 marles) 1) Sand casting is a process for casting metal in sand molds. Explain FIVE (3) sand casting benefits to the industry (marks) Riser, also known as feeder, is an important part in a sand mold. Briefly describe the function of a riser in a sand casting mold Hence, illustrate the possible types and...
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...
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