Gearbox and compound train gear system are widely used in power transmission systems to change input torques and revulsions. Your task in a company that manufactures compound gear system box is to determine the necessary parameters to obtain a required output and securely mounting the gearbox. If the compound gearbox shown in Figure.3 has the following design specifications:

Gearbox and compound train gear system are widely used in power transmission systems to change input torques and revulsions. Your task in a company that manufactures compound gear system box is to determine the necessary parameters to obtain a required output and securely mounting the gearbox. If the compound gearbox shown in Figure.3 has the following design specifications:

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Problem 4: Gearbox and compound train gear system are widely used in power transmission systems to change input torques and revulsions. Your task in a company that manufactures compound gear system box is to determine the necessary parameters to obtain a required output and securely mounting the gearbox. If the compound gearbox shown in Figure.5 has the following design specifications: B D ' F OUTPUT INPUT T3 A T2 Figure.5: Compound gear train system (left), Gearbox securely mounted by clamps (Right) Gear A has 25 teeth, Gear B has 150 teeth, Gear C has 60 teeth, Gear D 120 teeth, Gear E has 15 teeth and Gear F has 200 teeth. Input power and speed, respectively, 20 kW and 1500 rpm (clockwise). Your manger asked you the perform the following analysis steps: 1. Determine the velocity ratio/ gear ratio of compound gear system. 2. Calculate the output torque and determine its direction. 3. Find the required total/hold torque to securely mount the gearbox. 4. Explain the use of compound…
Project 4: Gearbox and compound train gear system are widely used in power transmission systems to change input torques and rotational speed. Your task in a company that manufactures compound gear system box is to determine the necessary parameters to obtain a required output and securely mounting the gearbox. If the compound gearbox shown in Figure.5 has the following design specifications: B D F LOUTPUT INPUT Figure.5: Compound gear train system (left), Gearbox securely mounted by clamps (Right) Gear A has 20 teeth, Gear B has 150 teeth, Gear C has 40 teeth, Gear D 140 teeth, Gear E has 15 teeth and Gear F has 200 teeth. Input power and speed, respectively, 25 kW and 1600 rpm (clockwise). Your manger asked you the perform the following analysis steps: 1. Determine the velocity ratio/ gear ratio of compound gear system. 2. Calculate the output torque and determine its direction. 3. Find the required total/hold torque to securely mount the gearbox. 4. Explain the use of compound gear…
Gearbox and compound train gear system are widely used in power transmission systems to change input torques and rotational speed. Your task in a company that manufactures compound gear system box is to determine the necessary parameters to obtain a required output and securely mounting the gearbox. If the compound gearbox shown in Figure.5 has the following design specifications: B D 'F LOUTPUT INPUT E T2 Figure.5: Compound gear train system (left), Gearbox securely mounted by clamps (Right) Gear A has 20 teeth, Gear B has 150 teeth, Gear C has 40 teeth, Gear D 140 teeth, Gear E has 15 teeth and Gear F has 200 teeth. Input power and speed, respectively, 25 kW and 1600 rpm (clockwise). Your manger asked you the perform the following analysis steps: 1. Determine the velocity ratio/ gear ratio of compound gear system. 2. Calculate the output torque and determine its direction. 3. Find the required total/hold torque to securely mount the gearbox. 4. Explain the use of compound gear…
Let Module 5 (m = 5) for a given mutual spur gear pair; Strength, Wear Load, Static Load and Dynamic Show if the conditions for load control are met? For pinion gear:Gear material strength Steel 2k = 900 N / mmSpeed: 1400 rpmd1 = 90 mmZ1 = 18 teethVery precise workmanshipHardness: BHN (Brinell Hardness Number) 400Gripping angle: 20 (full depth involute).It will transfer 22 kW of power For large gear:Gear material strength Steel k = 900 N / mm2d2 = 360 mm Acceptance and Table values: Value depending on tooth width: K = 4 (best value will be taken) Peripheral speed: V = 6 m / s Deformation coefficient: C = 171 kN / m Lewis factor: y = 0.102 Stress fatigue coefficient: k = 2553 kN / m2 Gear wheel width: b = 62 mm
a) Engine-Pump mechanism in Figure 3.1 shows few gears meshing with different parameters Based on the picture shown below. Given: n1 = 500 rpm; N1 = 20; N2 = 70; N3 = 18; N4 = 54 Compute () value of n4 (ii) Torque and power changes at Gear 4 ni, NI n4, N4 Engine Pump n2, N2 n3, N3 Figure 3.1 b) A gear box in Figure 32 has an input speed of 1500 revimin dockwise and an output speed of 300 revimin anticlockwise. The input power is 20 kW and the efficiency is 70%. Calculate: D. The gear ratio; i). The input torque. i). The output power iv). The output torque v). The holding torque. Figure 3.2
Figure Q1 below shows a gear reducer unit which drive a cement mixer drum at output of this unit and attached to a motor at the input. A 1.5 kW motor with a speed of 9 33 rpm is used as an input source to drive this gear reducer. The gear reducer consists two pairs of spur gears which each pair of them have modules of 1.5 mm for gear set 1 and 2.5 mm for gear set 2. All the spur gears have 20 deg pressure angle. Gear set 2 Gear set 1 Вearing 1,5 kW 933rpm Motor Cement mixer drum Gear Reducer Unit Figure Q1: A gear reducer unit a) Calculate torque generated from the motor. (Nm) - [1 mark]
The client requires a single step up spur gearbox to transmit a 10kW power from a shaft rotating at 1000rpm, while the output speed must be 1700rpm.The material for gear and pinion is 817M40 and 665M13, respectively. The pinion has 20 teeth. State formula and standardd relevant to the single step up spur gearbox design
a) Engine-Pump mechanism in Figure 3.1 shows few gears meshing with different parameters . Based on the picture shown below. Given: n1 = 500 rpm; N1 = 20; N2 = 70; N3 = 18; N4 = 54 Compute : (i) value of n4 (i) Torque and power changes at Gear 4 n1, N1 n4, N4 Engine Pump n2, N2 n3, N3 Figure 3.1
1. The figure below is a spur gear train drive and gear 2 is the inlet of the gear train. It transfers 12 kw of power at 1200 rpm. Gear 3 and 4 have 60 and 20 teeth respectively and are made with 20° pressure and full-depth teeth. The desired speed for the output shaft is 32 rpm. a. Find the minimum number tooth on gear 2 to obtain 32 rpm at the output and confirm its validation for interference-free power transfer. b. Find the speed ratio at each gear set using the results obtained at "a"(above). c. Determine the rotational speed of each gear (n2, n3, n4, and ns) using the results obtained at "a"(above). d. Find the torque of each shaft (Tin, Te, Tout) assuming that there is no frictional loss during the power transfer. e. Determine the radial, tangential and total forces transmitted at the last gear set assuming a module as m=4 mm, and draw the free body diagram of gear 4 showing the forces and torques. 75 100 2007 In Out
1. The figure below is a spur gear train drive and gear 2 is the inlet of the gear train. It transfers 12 kw of power at 1200 rpm. Gear 3 and 4 have 60 and 20 teeth respectively and are made with 20° pressure and full-depth teeth. The desired speed for the output shaft is 32 rpm. a. Find the minimum number tooth on gear 2 to obtain 32 rpm at the output and confirm its validation for interference-free power transfer. b. Find the speed ratio at each gear set using the results obtained at "a"(above). c. Determine the rotational speed of each gear (n2, n3, n4, and n5) using the results obtained at "a"(above). d. Find the torque of each shaft (Tin, Te, Tout) assuming that there is no frictional loss during the power transfer. e. Determine the radial, tangential and total forces transmitted at the last gear set assuming a module as m=4 mm, and draw the free body diagram of gear 4 showing the forces and torques. 75, 100 2007 In Out 4
A single stage helical gearbox as shown in Figure Q1 is pulling a crate with an acceleration of 1.5 m/s?. The rope is attached to a 1.2 m diameter drum. Since the gearbox was not properly maintained and running with less lubricant, the gear box efficiency, n has dropped to 70 percent. Table below show details arrangement: Specifications 200 kg Descriptions Weight of crate Number of teeth at motor shaft gear Number of teeth at drum shaft gear Inertia of motor shaft Inertia of drum shaft 20 200 1.5 kgm2 125 kgm? Using the coefficient of friction, µu = 0.3 between crate and floor; (i) Calculate the required torque by the motor to accelerate the crate at 1.5 m/s. (ii) Calculate the motor power P, when motor rotation is 1800 rpm. (iii) What will happen to the motor if the rope is broken.
A single stage helical gearbox as shown in Figure Q1 is pulling a crate with an acceleration of 1.5 m/s?. The rope is attached to a 1.2 m diameter drum. Since the gearbox was not properly maintained and running with less lubricant, the gear box efficiency, n has dropped to 70 percent. Table below show details arrangement: Specifications 200 kg Descriptions Weight of crate Number of teeth at motor shaft gear Number of teeth at drum shaft gear 20 200 a= 1.5 m/s 1.5 kgm? 125 kgm? Inertia of motor shaft Inertia of drum shaft Using the coefficient of friction, u = 0.3 between crate and floor; (i) Calculate the required torque by the motor to accelerate the crate at 1.5 m/s2. (ii) Calculate the motor power P, when motor rotation is 1800 rpm. (iii) What will happen to the motor if the rope is broken. Drum Gearbox Motor