The machine design has stated that a 2.5 kW electric motor with an input speed of 1000 RPM is needed for the machine bed to move. This motor is connected to a gearbox where the input shaft rotates clockwise and is linked to an output via a lay shaft as shown in the diagram. The overall efficiency of this gearbox is 60%. Gear A has 60 teeth Gear B has 120 teeth Gear C has 40 teeth Gear D has 80 teeth From this information you will need to calculate: a) The gear ratio of the gearbox. b) The rotational speed and direction of the output shaft. c) The output power from the gearbox. d) The output torque and holding torque for the gearbox. Input B Output
The machine design has stated that a 2.5 kW electric motor with an input speed of 1000 RPM is needed for the machine bed to move. This motor is connected to a gearbox where the input shaft rotates clockwise and is linked to an output via a lay shaft as shown in the diagram. The overall efficiency of this gearbox is 60%. Gear A has 60 teeth Gear B has 120 teeth Gear C has 40 teeth Gear D has 80 teeth From this information you will need to calculate: a) The gear ratio of the gearbox. b) The rotational speed and direction of the output shaft. c) The output power from the gearbox. d) The output torque and holding torque for the gearbox. Input B Output
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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Hello, Please could you answer part (d).
a) 0.75
b)26.1798rad/s and same direction as input
c)P(out)=1.5kW
Im just struggling with part d, thanks
Transcribed Image Text:The machine design has stated that a 2.5 kW electric motor
with an input speed of 1000 RPM is needed for the machine
bed to move. This motor is connected to a gearbox where the
input shaft rotates clockwise and is linked to an output via a
lay shaft as shown in the diagram. The overall efficiency of
this gearbox is 60%.
Gear A has 60 teeth
Gear B has 120 teeth
Gear C has 40 teeth
Gear D has 80 teeth
From this information you will need to calculate:
a) The gear ratio of the gearbox.
b) The rotational speed and direction of the output shaft.
c) The output power from the gearbox.
d) The output torque and holding torque for the gearbox.
Input
B
Output
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