What are the necessary and sufficient requirements for the two stage gearbox to mesh properly for power transmission? i) Calculate the rotating speed (nwheel or n4) and the torque Twheel or T4 on the axle of the driven wheels. Neglect power loss of the gearbox. ii) What is the speed of the Nissan Leaf car when the motor speed is at

What are the necessary and sufficient requirements for the two stage gearbox to mesh properly for power transmission? i) Calculate the rotating speed (nwheel or n4) and the torque Twheel or T4 on the axle of the driven wheels. Neglect power loss of the gearbox. ii) What is the speed of the Nissan Leaf car when the motor speed is at

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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Q2/ Two mating involute spur gears of 20* pressure angle have a gear ratio of 2. The number of teeth on the pinion is 20 and its speed is 250 r.p.m. The module pitch of teeth is 10 mm. If the addendum on cach wheel is such that the path of approach and the path of recess on cach side are half the maximum possible length each, find: i) the addendum for pinion and gear wheel, ii) the length of arc of contact, iii)the maximum velocity of sliding during approach and recess. Assume pinion to be driver.
Using the data below, calculate the following for all gear settings and list the results in a table form: The speed ratio of the MM245 Automotive gearbox. The input and output torque. The input and output power. The efficiency of the gear system. Gears Input Speed (rpm) Output Speed (rpm) Input Torque (N.m) Output Torque (N.m) 1 322 97 2,67 0,72 2 320 168 3.05 1,23 3 311 238 4,24 1,83 4 297 297 5,95 2,36 5 280 334 7,36 2,80 The moments of inertia of the parts attached to the input shaft A is 0.019 kgm2 and that of the parts attached to output shaft B is 0.1 kgm2. If input shaft A exerts a constant torque of 7.27 Nm and is geared to output shaft B, calculate the following: The gear ratio gives the maximum angular acceleration of output shaft B. The corresponding angular acceleration of each shaft.
480 ft-lbf First Gear (2.66) Final Drive (3.42) Figure 2 - Corvette Z06 and its transmission schematic. You start by measuring the 60-0 mph braking performance, which is accomplished along 30.56 m. The test weight (including the driver) was found to be 1510.5 kgf. Peak torque (@4800 rpm) 1st gear reduction Axle Torque Thrust Force After the braking test, you are asked to determine the maximum acceleration in the first gear. Consulting the manufacturer, you find out the following technical data: Final drive (differential) reduction Rolling radius of the rear tyres % weight on the rear tyres Table 1 - Technical data for the Corvette Z06 480 lbf-ft 2.66 3.42 0.327 m 65% 1) Assuming the maximum traction capacity of the tyres has been determined in the braking test, CALCULATE the maximum traction generated by the rear tyres in first gear. CALCULATE the available thrust force (i.e. traction) from the torque on the wheels.
480 ft-lbf First Gear (2.66) Final Drive (3.42) Axle Torque Thrust Force Figure 2 - Corvette Z06 and its transmission schematic. You start by measuring the 60-0 mph braking performance, which is accomplished along 30.56 m. The test weight (including the driver) was found to be 1510.5 kgf. 1) "Fuel is spent to make the vehicle go uphill, as you are aware. However, the fuel will not be restored if the vehicle is brought back from the hilltop to the initial elevation level."ANALYSE this statement under the laws of Thermodynamics.
You design a gearbox with a gear ratio of 5 (GR=5=TGB/Tm) to pull a load (FL) of 76 lbf using a motor and winch (rw=0.25 inches). What is the torque experienced by your motor when pulling the mass up at a constant speed in lbf ft? Note the units
In the planetary gear train shown in below figure, Gear A is the driver and gears B and D are compounded.Gears E and C are internal gears with C as the fixed gear.Number of teeth on gears are TA-20;TB-60; Tc-140;TD-40;,TG-120. If the drive gears rotates at 720rpm CCW when seen from the right, find out the speed at which driven gear rotates C140 120 Output D 40 60 20 Input
Abanoub Gendy-gear_ret o_wcrksheet.pdf Gear Ratio Worksheet Directions: Find the gear ratio of each pair of gears. Make sure to pay attention to the driver and follower. The arrow points to the driver. Simplify all ratios and show all work. 1. 8 32 GR = 6. 40 64 GR =
day in Sign In to LinkedIn Registration M Gmail 6 fourier transform tr..A Government Jobs 2. Mechanical Engineering Number of teeth are indicated for the following gear train. Driver gear 2 has speed 1200 rpm in CW direction. Find the speed of gear 5. 10T 30T 16T 32T (a) 200 грm CСW.. (b) 200 rpm CW. (c) 300 rpm CW (d) 300 rpm CCVW. PREVIOUS QUESTION 2. 3.
Example 8-2 Fig 8-10 shows a planetary gear train, in which the numbers of teeth of gears are z₁-100, z₂=101, Z₂-100, z3-99 .Determine the gear ratio iH1- 2' 2 H Fig. 8-10 Train with two pairs of external gears (双排外啮合周转轮系) 3
Q 1. Devise a gear train, shown in the Fig (a), for a machine tool drive. The gear-A having 14 teeth meshes with gear-B and gear-C meshes with gear-D. The input shaft attached with gear-A rotates at exactly 1800 rpm clockwise. The speed of the output shaft must be 31.36 rpm. Consider the first velocity ratio VRĄ-g is two times of the second velocity ratio VRc~p and use no more than 150 teeth of any gear in the gear train. Determine the following: (i) The train value, TV (ii) The velocity ratio, VRĄ-~B 3 (iii) The velocity ratio, VRc~D Input shaft A Output shaft (iv) The rotational direction of gear-D (v) No. of teeth of gear-B, Ng (vi) No. of teeth of gear-C, Nc (vii) No. of teeth of gear-D, Np B. (CLO2, PLO2) Figure (a) General Layout of Proposed Gear Train
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
ONLY THE 4TH SUB PART IS NEEDED. An epicyclic gear is designed as shown. The input A rotates at 100 rev/min clockwise viewed from the right with a torque of 20 Nm. The efficiency is 65 %. Calculate the following. The output speed and its direction - 500 rpm [Clockwise] The power output - 136.11 W The holding torques - 22.6 N.m [Anticlockwise] Consider the operational efficiency for an epicyclic gearbox is 55%. Calculate the new output power of the gearbox and show how the efficiency value will affect the holding torque