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Q2. Written assignment: A flat belt is required to transmit (35 kW) from a pulley of...
Q2. Figure Q2 shows a shaft which transmits a power of 48 kW through flat belts. Pulley A is driven by a motor which rotates at 3000 rpm. The diameter of pulley A is 400 mm and that of pulley B is 25...
Q2. Figure Q2 shows a shaft which transmits a power of 48 kW through flat belts. Pulley A is driven by a motor which rotates at 3000 rpm. The diameter of pulley A is 400 mm and that of pulley B is 250 mm. The thickness of the belts is 4 mm and they are made of a material with density of 1100 kg/m3. Assume no sliding between pulleys and belts a) Calculate the speed of the belt and the...
A-V belt is to transmit 20 kW from a 250 mm pitch diameter sheave to a...
A-V belt is to transmit 20 kW from a 250 mm pitch diameter sheave to a 900 mm diameter pulley. The center distance between the two shafts is 1000 mm. The groove angle is 40' and the coefficient of friction for the belt and sheave is 0.2 and the coefficient of friction between the belt and flat pulley is 0.2. The cross-section of the belt is 40 mm wide at the top, 20 mm wide at the bottom and 25...
Determine the number of V-belts required to transmit a power of 60 kW at 750 rpm...
Determine the number of V-belts required to transmit a power of 60 kW at 750 rpm from an electric motor to a compressor shaft at 300 rpm. The larger pulley diameter is 1500 mm. The centre distance is 1650 mm, and overload factor is to be taken as 1.5. A belt with cross- sectional area of 350 mm², density of 1000 kg/m and having an allowable tensile strength of 2 MPa is available for use. The coefficient of friction between...
A V- belt drive is to transmit 24 kW of power from a 200 mm pitch...
A V- belt drive is to transmit 24 kW of power from a 200 mm pitch sheave operating at 1500 rpm to a 600 mm diameter sheave. The distance between the input and the output shafts is 800 mm. The grove angle f = 40o and the coefficient of friction between the belt and the sheave is 0.25. The belt to be used weighs 0.9 kg/m and the allowable tension in the belt is 900 N. How many belts are...
Q – 2. A V-belt drive is to transmit 24 kW of power from a 200...
Q – 2. A V-belt drive is to transmit 24 kW of power from a 200 mm pitch sheave operating at 1500 rpm to a 600 mm diameter sheave. The distance between the input and the output shafts is 800 mm. The grove angle f = 40° and the coefficient of friction between the belt and the sheave is 0.25. The belt to be used weighs 0.9 kg/m and the allowable tension in the belt is 900 N. How many...
An overhang hollow shaft carries a 900 mm diameter pulley, whose centre is 250 mm from...
An overhang hollow shaft carries a 900 mm diameter pulley, whose centre is 250 mm from the centre of the nearest bearing. The weight of the pulley is 600 N and the angle of lap is 180°. The pulley is driven by a motor vertically below it. If permissible tension in the belt is 2650 N and if coefficient of friction between the belt and pulley surface is 0.3, estimate, diameters of shaft, when the internal 15. diameter is 0.6...
Fig. 14.17 A line shaft is to transmit 30 kW at 160 r.p.m. It is driven...
Fig. 14.17 A line shaft is to transmit 30 kW at 160 r.p.m. It is driven by a motor placed directly under it by means of a belt running on alm diameter pulley keyed to the end of the shaft. The tension in the tight side of the belt is 2.5 times that in the slack side and the centre of the pulley over-hangs 150 mm beyond the centre line of the end bearing. Determine the diameter of the shaft,...
Q.9. Arubberised flat belt is moving at 14 m/s with the tension in the tight side...
Q.9. Arubberised flat belt is moving at 14 m/s with the tension in the tight side of 10.0 kN and the slack side of 5.0 kN. The belt is 350 mm wide and 10 mm thick, and it is constructed of 5 plies of 32 oz canvas ducking. What is tension ratio in the belt? A. 2.0 В. 2.1 С. 1.9 D. 2.3 E. none of above (4 Marks) Q.10. A V-belt drive system is to be designed to transmit...
Q1 A belt drive and pulley arrangement is designed to transmit 75 kW of power at 1200 rpm, genera...
Q1 A belt drive and pulley arrangement is designed to transmit 75 kW of power at 1200 rpm, generated by a six-pole squirrel-cage induction motor. The belt connects two shafts 3 m apart, with axes in the same horizontal plane. The driven shaft runs at half the angular speed of the driver and it runs a light shock machinery. As a design engineer you need to do the following; i. Design shafts suitable for this application (20 marks) ii. Select...
МОМ 2601 OCT/ NOV 2017 Question 3 A power of 4 5 kW has to be...
МОМ 2601 OCT/ NOV 2017 Question 3 A power of 4 5 kW has to be transmitted from a pulley of an effectve diameter of 0 25 m The pulley is running at 1 200 revmin the angle of contact is 160° and the groove angle is 40° The coeffichent of fnction is 0 2 If the allowable tension in each belt is 100 N, caiculate the number of V-belts that will be required to transmit power [141
Q2. Figure Q2 shows a shaft which transmits a power of 48 kW through flat belts. Pulley A is driven by a motor which rotates at 3000 rpm. The diameter of pulley A is 400 mm and that of pulley B is 250 mm. The thickness of the belts is 4 mm and they are made of a material with density of 1100 kg/m3. Assume no sliding between pulleys and belts a) Calculate the speed of the belt and the...
A-V belt is to transmit 20 kW from a 250 mm pitch diameter sheave to a 900 mm diameter pulley. The center distance between the two shafts is 1000 mm. The groove angle is 40' and the coefficient of friction for the belt and sheave is 0.2 and the coefficient of friction between the belt and flat pulley is 0.2. The cross-section of the belt is 40 mm wide at the top, 20 mm wide at the bottom and 25...
Determine the number of V-belts required to transmit a power of 60 kW at 750 rpm from an electric motor to a compressor shaft at 300 rpm. The larger pulley diameter is 1500 mm. The centre distance is 1650 mm, and overload factor is to be taken as 1.5. A belt with cross- sectional area of 350 mm², density of 1000 kg/m and having an allowable tensile strength of 2 MPa is available for use. The coefficient of friction between...
Q – 2. A V-belt drive is to transmit 24 kW of power from a 200 mm pitch sheave operating at 1500 rpm to a 600 mm diameter sheave. The distance between the input and the output shafts is 800 mm. The grove angle f = 40° and the coefficient of friction between the belt and the sheave is 0.25. The belt to be used weighs 0.9 kg/m and the allowable tension in the belt is 900 N. How many...
An overhang hollow shaft carries a 900 mm diameter pulley, whose centre is 250 mm from the centre of the nearest bearing. The weight of the pulley is 600 N and the angle of lap is 180°. The pulley is driven by a motor vertically below it. If permissible tension in the belt is 2650 N and if coefficient of friction between the belt and pulley surface is 0.3, estimate, diameters of shaft, when the internal 15. diameter is 0.6...
Fig. 14.17 A line shaft is to transmit 30 kW at 160 r.p.m. It is driven by a motor placed directly under it by means of a belt running on alm diameter pulley keyed to the end of the shaft. The tension in the tight side of the belt is 2.5 times that in the slack side and the centre of the pulley over-hangs 150 mm beyond the centre line of the end bearing. Determine the diameter of the shaft,...
Q.9. Arubberised flat belt is moving at 14 m/s with the tension in the tight side of 10.0 kN and the slack side of 5.0 kN. The belt is 350 mm wide and 10 mm thick, and it is constructed of 5 plies of 32 oz canvas ducking. What is tension ratio in the belt? A. 2.0 В. 2.1 С. 1.9 D. 2.3 E. none of above (4 Marks) Q.10. A V-belt drive system is to be designed to transmit...
МОМ 2601 OCT/ NOV 2017 Question 3 A power of 4 5 kW has to be transmitted from a pulley of an effectve diameter of 0 25 m The pulley is running at 1 200 revmin the angle of contact is 160° and the groove angle is 40° The coeffichent of fnction is 0 2 If the allowable tension in each belt is 100 N, caiculate the number of V-belts that will be required to transmit power [141
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