An electric motor is accelerating a 250 kg load with acceleration of 1.2 m/s? through a gear box as shown Figure Q1(b). The rope that carries the load and spiral spring are encircled on a pulley with diameter 1.2m. Gear box ratio is 0. 1 and gear box efficiency is 100%, while gear box equivalent moment inertia is 5.55 km?. Neglect friction effect in this drive system and assume spiral spring force is X newton Calculate the torque of the motor needed to bring up the load with acceleration 1.2 m/s?.
An electric motor is accelerating a 250 kg load with acceleration of 1.2 m/s? through a gear box as shown Figure Q1(b). The rope that carries the load and spiral spring are encircled on a pulley with diameter 1.2m. Gear box ratio is 0. 1 and gear box efficiency is 100%, while gear box equivalent moment inertia is 5.55 km?. Neglect friction effect in this drive system and assume spiral spring force is X newton Calculate the torque of the motor needed to bring up the load with acceleration 1.2 m/s?.
Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter17: Types Of Electric Motors
Section: Chapter Questions
Problem 8RQ: The two types of motors used for hermetic compressors are ______and_______.
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An electric motor is accelerating a 250 kg load with acceleration of 1.2 m/s? through
a gear box as shown Figure Q1(b). The rope that carries the load and spiral spring are encircled on a pulley with diameter 1.2m. Gear box ratio is 0. 1 and gear box efficiency is 100%, while gear box equivalent moment inertia is 5.55 km?. Neglect friction effect in this drive system and assume spiral spring force is X newton
Calculate the torque of the motor needed to bring up the load with acceleration
1.2 m/s?.
Transcribed Image Text:Pulley
a
10kg
10kg
Gear Box
Mass
Spring
Electric Motor
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