Understanding Motor Controls
3rd Edition
ISBN: 9781305498129
Author: Stephen L. Herman
Publisher: Cengage Learning
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Chapter 31, Problem 9RQ
What is rotor slip?
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Hi, can you please assist with the attached question please. Please do not use Ai software. Many thanks.
determine the allowable bending and contact stresses for a grade 1 steel through-hardened to 250 HB. Assume the desired reliability is 50% and that the pinion and gear have the same hardness and the gear encounters hydrodynamic lubrication and is to last ten million cycles
Using the four-point bending tool, detail the influence of both applied load
and notch size on the transverse strain. Cover the following points in your
answer.
a. A detailed description of the methodology you have used to create a set
of results suitable to answer this question. Include details on the
placement of line scans, the loads used, etc. (there is no need to
describe the process of extracting the data from the interactive or the
fundamental principles behind DIC).
(5 marks)
b. A description of the results you have found, including a written
description, images, and both vertical and horizontal line scans from the
four-point bending tool. Include a minimum of three loads and three
notch sizes in your results.
(20 marks)
c. The conclusions you can make regarding the influence of load and
notch size on the strain experienced by the beam based on the data
you collect.
(5 marks)
To achieve full marks, you will need to include the following in your work:
•
properly labelled graphs…
Chapter 31 Solutions
Understanding Motor Controls
Ch. 31 - Prob. 1RQCh. 31 - Prob. 2RQCh. 31 - A wound rotor induction motor has a stator that...Ch. 31 - Name three factors that determine the amount of...Ch. 31 - Prob. 5RQCh. 31 - Explain why controlling the rotor current also...Ch. 31 - What is the function of a micro limit switch when...Ch. 31 - Prob. 8RQCh. 31 - What is rotor slip?
Ch. 31 - Prob. 10RQ
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- Using the four-point bending tool, discuss how measurements of transverse strain using DIC and compare with those from the strain gauge attached at the centre top of the specimen. In your answer, include the following: a. A short explanation of how each of the strain measurement techniques works. (4 marks) b. A description of the methodology you have used to make the data that you discussed from each technique as comparable as possible. (6 marks) c. A set of figures (images, graphs and/or tables as necessary) with appropriate captions demonstrating the comparability of data extracted from the two strain measurement methods. This should include at least three different applied loads. (10 marks) d. A brief description of the findings. (5 marks)arrow_forwardAn undamped single-degree-of-freedom system consists of a spring with stiffness k = 10 kip/in and a mass weighing W = 10 kips. The system is at rest and it is suddenly subjected to a half-cycle sine pulse force. The pulse force has an amplitude po = 1 kips and time duration td = 0.1 seconds. Calculate the maximum restoring force in the spring due to the pulse force.arrow_forwardm=400mm n=300mm q=28mm r=20mm P=0.9kNarrow_forward
- determine the allowable bending and contact stresses for a Grade 1 steel through-hardened to 250 HB. Assume the desired reliability is 50 %and that the pinion and gear have the same hardness and it is expected that the gear will encounter 100,000 load cyclesarrow_forwardPlease can you plot the Mohr's strain circle using the above informarrow_forwardA gearbox has permanent shaft positions defined by the bearing mounting positions, but the gear ratio can be changed by changing the number of teeth in the pinion and gear. To achieve similar power transmission ability for different gear ratios, a manufacturer chooses to have the same module for two different gearboxes. One of the gaerboxes has a pinion with 22 teeth, a gear with 68 teeth, and a center distance of 225mm. How large is the gear module and which gear ratios are possible for a pinion with 22 or more teeth using the same module?arrow_forward
- A gear train has a 50.3 mm circular pitch and a 25 degree pressure angle and meshes with a pinion having 12 teeth Design this gear train to minimize its volume and the total number of teeth. Obtain the pitch diameters the number of teeth the speed ratio the center distance and the module of this gear train. The gearbox housing has a diameter of 620mmarrow_forwardHandwritten solution required ,strictly do not use CHATGPT. MECHANICAL ENGGarrow_forwardSolve, use engineering economic tablesarrow_forward
- Solve, use engineering economic tablesarrow_forwardA pinion has a pressure angle of 20 degrees a module of 3mm and 20 teeth. It is meshed with a gear having 32 teeth. The center distance between the shafts is 81mm. Determine the gear ratio and diametral pitch .arrow_forwardSolve, use engineering economic tablesarrow_forward
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