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Topology of Modified Helical Gears and Tooth Contact Analysis (TCA) Program

Topology of Modified Helical Gears and Tooth Contact Analysis (TCA) Program
Author: Faydor L. Litvin
Publisher:
Total Pages: 166
Release: 1989
Genre: Gearing, Spiral
ISBN:

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The contents of ths report covers: (i) development of optimal geometry for crowned helical gears; (ii) method for their generation; (iii) tooth contact analysis (TCA) computer programs for the analysis of meshing and bearing contact and guarantee the favorable shape and low level of the transmission errors. Two new methods for generation of the crowned helical pinion surface have been proposed. One is based on application of the tool with a surface of revolution that slightly deviates from a regular cone surface. The tool can be used as a grinding wheel or as a shaver. The other is based on crowning pinion tooth surface with predesigned transmission errors. The pinion tooth surface can be generated by a computer controlled automatic grinding machine. The TCA program simulates the meshing and bearing contract of misaligned gears. The transmission errors are also determined. Keywords: Helical gears; Crowned gears; Gear geometry; Tooth contact analysis. (JES).


The Financial Education Factor in Personal and Professional Development

The Financial Education Factor in Personal and Professional Development
Author: Digital World
Publisher: Digital World
Total Pages: 50
Release: 2024-09-06
Genre: Business & Economics
ISBN: 1723462144

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Hello everyone! I'm excited to introduce you to the fascinating world of financial psychology. In this series, we'll explore how our emotions, beliefs, and behaviors influence our financial decisions. We'll see how this understanding can transform our relationship with money and help us achieve our goals. Financial psychology studies the relationship between the human mind and money. It explores how psychological factors such as emotions, perceptions, and beliefs influence our financial decisions. It combines concepts from psychology and economics to understand financial behavior. Financial psychology isn't just about numbers and graphs. It helps us understand why we sometimes make financial decisions that don't make rational sense. By understanding the psychological mechanisms behind our decisions, we can make more informed decisions that align with our goals. Emotions such as fear, greed, and anxiety significantly influence our financial decisions. Fear of losing money can lead to conservative decisions, while greed can lead to excessive risk-taking. Hope for a better future can motivate us to save, but it can also lead us to invest in high-risk assets. Emotions are like an internal GPS that guides us in our financial decisions. However, they can lead us down a wrong path if not managed properly. By identifying and understanding our emotions, we can make more rational decisions that are aligned with our long-term goals. Cognitive biases are mental shortcuts we use to make decisions faster, but they can lead us to make mistakes. Examples of biases include loss aversion, confirmation bias, and herd behavior. How to identify and overcome these biases to make sounder financial decisions. Our brains are incredible machines, but they are also prone to making mistakes. Cognitive biases are like optical illusions that distort our perception of reality. By being aware of these biases, we can take steps to counteract their effects and make more rational decisions. Our financial habits are shaped by our experiences and beliefs. The importance of developing healthy financial habits, such as saving, investing, and planning for the future. How to create new habits and break old financial habits. Our financial habits are like paths we follow on autopilot. If we want to change our financial results, we need to change our paths. By developing new positive financial habits, we can transform our financial lives. Financial psychology offers us a new perspective on money. Instead of seeing money as an end in itself, we can see it as a means to achieve our goals and live a more fulfilling life.


Topology of Modified Helical Gears and Tooth Contact Analysis (TCA) Program

Topology of Modified Helical Gears and Tooth Contact Analysis (TCA) Program
Author: Faydor L. Litvin
Publisher:
Total Pages: 164
Release: 1989
Genre: Gearing, Spiral
ISBN:

Download Topology of Modified Helical Gears and Tooth Contact Analysis (TCA) Program Book in PDF, ePub and Kindle

The contents of ths report covers: (i) development of optimal geometry for crowned helical gears; (ii) method for their generation; (iii) tooth contact analysis (TCA) computer programs for the analysis of meshing and bearing contact and guarantee the favorable shape and low level of the transmission errors. Two new methods for generation of the crowned helical pinion surface have been proposed. One is based on application of the tool with a surface of revolution that slightly deviates from a regular cone surface. The tool can be used as a grinding wheel or as a shaver. The other is based on crowning pinion tooth surface with predesigned transmission errors. The pinion tooth surface can be generated by a computer controlled automatic grinding machine. The TCA program simulates the meshing and bearing contract of misaligned gears. The transmission errors are also determined. Keywords: Helical gears; Crowned gears; Gear geometry; Tooth contact analysis. (JES).


Scientific and Technical Aerospace Reports

Scientific and Technical Aerospace Reports
Author:
Publisher:
Total Pages: 376
Release: 1995
Genre: Aeronautics
ISBN:

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Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.


Topology of Modified Helical Gears

Topology of Modified Helical Gears
Author:
Publisher:
Total Pages: 20
Release: 1991
Genre:
ISBN:

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The topology of several types of modified surfaces of helical gears are proposed. The modified surfaces allow absorption of linear or almost linear function of transmission errors caused by gear misalignment, and improvement of the contact of gear tooth surfaces. Principles and corresponding programs for computer aided simulation of meshing and contact of gears have been developed. The results of this investigation are illustrated with numerical examples.


Generation of Helical Gears with New Surfaces, Topology by Application of CNC Machines

Generation of Helical Gears with New Surfaces, Topology by Application of CNC Machines
Author: Faydor L. Litvin
Publisher:
Total Pages: 8
Release: 1993
Genre: Gearing, Spiral
ISBN:

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Analysis of helical involute gears by tooth contact analysis shows that such gears are very sensitive to angular misalignment that leads to edge contact and the potential for high vibration. A new topology of tooth surfaces of helical gears that enables a favorable bearing contact and a reduced level of vibration is described. Methods for grinding of the helical gears with the new topology are proposed. ATCA program for simulation of meshing and contact of helical gears with the new topology has been developed. Numerical examples that illustrate the proposed ideas are discussed.


NASA Technical Memorandum

NASA Technical Memorandum
Author:
Publisher:
Total Pages: 492
Release: 1994
Genre: Aeronautics
ISBN:

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