what would the RPMof a lathe spindle be when turning a piece of 1144(275 325) 2...
what would the RPMof a lathe spindle be when turning a piece of 1144(275 325) 2 in diameter using a high speed toolbit show the work
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what would the RPMof a lathe spindle be when turning a
piece of 1144(275 325) 2...
What is a centre lathe. How will be spindle speed lower 3. In a centre lathe,...
What is a centre lathe. How will be spindle speed
lower
3. In a centre lathe, the spindle speed will be lowest during 1. taper turning 2. thread cutting 3. parting off 4. knuckling diameter rod is to be turned on a
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...
QUESTIONS LO MARKS 3.1 A cylindrical workpiece is turned on a lathe. The spindle speed of...
QUESTIONS LO MARKS 3.1 A cylindrical workpiece is turned on a lathe. The spindle speed of the lathe is 2750 RPM and the feed is 0.01 cm The length of the part is 315 mm, the initial radius of the part is 60 mm, and a single cut is taken with a depth of 3 mm (a) How long (in seconds) will the turning operation take. Show all your working (1 marks) DM = b = 3.15 -= o.ll =...
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...
Page 2 of 3 1. A 2.0-in long. 1-in dliameter aluminum alloy (6061-T6) rod is beling...
Page 2 of 3 1. A 2.0-in long. 1-in dliameter aluminum alloy (6061-T6) rod is beling reduced in diameter to 0.750-in by turning on a lathe to produce a bushing for a CNC lathe turret. The part, along with complete dimensions, is shown in Figure 1 Figure : Bshing The part will be cut using a Tormach 15L Slant Pro CNC Lathe. The specifications of the lathe are given Tale : Tormnch 1SL. Slant Pro CNC Lathe Specificutions below Chuck...
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....
1. What is the fpr in mm/rev when the spindle speed is 6000 rpm and the...
1. What is the fpr in mm/rev when the spindle speed is 6000 rpm and the feed rate is 0.88 m/min? 2.Why engineers should learn about code of ethics?
02: A bar of 60 mm diameter and length of 3 meter is used to produce 500 pieces on a center lathe having the follow...
02: A bar of 60 mm diameter and length of 3 meter is used to produce 500 pieces on a center lathe having the following characteristics: . Maximum rotational speed .Minimum rotational speed .Number of speeds Lathe overall efficiency The turning process is performed at 40 m/min cutting velocity. 0.5 mm/rev longitudinal feed, 0.25 mm/rev transverse feed and 2 mm depth of cut REQUIRED 1. Calculate the TWELVE rotational speeds in rpm. 2. What rotational speed would you choose? 3....
A 3.00 inch diameter workpiece that is 25 in long is to be turned down to...
A 3.00 inch diameter workpiece that is 25 in long is to be turned down to n2.384 inches. Process Specifications: a) Cutting Speed (V) = 300 ft/min, b) Feed (f) = 0.015 in/rev c) Depth of cut (d) = 0.044 in The bar will be held in a chuck and supported on the opposite end in a live center. With this work-holding setup, one end (15 inches) must be turned to diameter; then the bar must be reversed to turn...
please make it clear 1. What is the difference between forming and machining? 2. List 3...
please make it clear
1. What is the difference between forming and machining? 2. List 3 basic machining processes. Show a sketch for each with tool and work piece movement direction. 3. Give the force components for oblique and orthogonal machining. 4. What is different about the workpiece and tool for turning vs boring? 5. The equations for cutting speed, machining time, and metal removal rate are the same for turning and boring? TRUE or FALSE 6. For a lathe,...
What is a centre lathe. How will be spindle speed
lower
3. In a centre lathe, the spindle speed will be lowest during 1. taper turning 2. thread cutting 3. parting off 4. knuckling diameter rod is to be turned on a
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...
QUESTIONS LO MARKS 3.1 A cylindrical workpiece is turned on a lathe. The spindle speed of the lathe is 2750 RPM and the feed is 0.01 cm The length of the part is 315 mm, the initial radius of the part is 60 mm, and a single cut is taken with a depth of 3 mm (a) How long (in seconds) will the turning operation take. Show all your working (1 marks) DM = b = 3.15 -= o.ll =...
Page 2 of 3 1. A 2.0-in long. 1-in dliameter aluminum alloy (6061-T6) rod is beling reduced in diameter to 0.750-in by turning on a lathe to produce a bushing for a CNC lathe turret. The part, along with complete dimensions, is shown in Figure 1 Figure : Bshing The part will be cut using a Tormach 15L Slant Pro CNC Lathe. The specifications of the lathe are given Tale : Tormnch 1SL. Slant Pro CNC Lathe Specificutions below Chuck...
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....
1. What is the fpr in mm/rev when the spindle speed is 6000 rpm and the feed rate is 0.88 m/min? 2.Why engineers should learn about code of ethics?
02: A bar of 60 mm diameter and length of 3 meter is used to produce 500 pieces on a center lathe having the following characteristics: . Maximum rotational speed .Minimum rotational speed .Number of speeds Lathe overall efficiency The turning process is performed at 40 m/min cutting velocity. 0.5 mm/rev longitudinal feed, 0.25 mm/rev transverse feed and 2 mm depth of cut REQUIRED 1. Calculate the TWELVE rotational speeds in rpm. 2. What rotational speed would you choose? 3....
please make it clear
1. What is the difference between forming and machining? 2. List 3 basic machining processes. Show a sketch for each with tool and work piece movement direction. 3. Give the force components for oblique and orthogonal machining. 4. What is different about the workpiece and tool for turning vs boring? 5. The equations for cutting speed, machining time, and metal removal rate are the same for turning and boring? TRUE or FALSE 6. For a lathe,...
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