Lecture

Mechanical Construction: Gear Types and Cable Mechanics

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In course

ME-102: Mechanical construction II (for ME)

Le cours de ME-102 vise à l'acquisition d'une solide culture technique de base en vue d'être capable de traiter des cas concrets de construction mécanique, via une revue des concepts, composants, et méthodologies utilisés dans ce domaine, et la réalisation ...

Description

This lecture covers various types of gears, including conical gears, worm gears, and straight-toothed gears. It discusses the principles of gear design, including standardized dimensions and the importance of tooth count. The instructor explains the mechanics of cables, focusing on their tension, resistance, and the factors influencing their use in mechanical systems. The lecture also addresses the calculation of maximum load capacities and safety coefficients for cables, ensuring they are suitable for lifting applications. Additionally, the relationship between gear ratios and rotational speeds is explored, providing insights into how to design gear systems for specific mechanical requirements. The importance of understanding these concepts in mechanical construction is emphasized, as they are fundamental to the design and functionality of various machines and systems.

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Instructor

Sébastien Philippe Soubielle

Expertise Machine-tools -- Transfer machine-tools -- Special machines -- Wire tension management devices -- Machine safety (2006/42/CE) -- Microcellular metals Teaching & PhD Courses Introduction to mechanical design ME-105 The ME-105 course aims at acquiring the standardized language of the technical communication in the field of mechanical engineering and a basis in technical culture, through a review of the concepts, components, and methodologies, and the achievement by the students of a

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Related concepts (32)

Epicyclic gearing

An epicyclic gear train (also known as a planetary gearset) consists of two gears mounted so that the center of one gear revolves around the center of the other. A carrier connects the centers of the two gears and rotates the planet and sun gears mesh so that their pitch circles roll without slip. A point on the pitch circle of the planet gear traces an epicycloid curve. In this simplified case, the sun gear is fixed and the planetary gear(s) roll around the sun gear.

Engineering

Engineering is the practice of using natural science, mathematics, and the engineering design process to solve problems, increase efficiency and productivity, and improve systems. Modern engineering comprises many subfields which include designing and creating infrastructure, machinery, vehicles, electronics, materials, and energy. The discipline of engineering encompasses a broad range of more specialized fields of engineering, each with a more specific emphasis on particular areas of applied mathematics, applied science, and types of application.

Gear stick

A gear stick (rarely spelled gearstick), gear lever (both UK English), gearshift or shifter (both U.S. English), more formally known as a transmission lever, is a metal lever attached to the transmission of an automobile. The term gear stick mostly refers to the shift lever of a manual transmission, while in an automatic transmission, a similar lever is known as a gear selector. A gear stick will normally be used to change gear whilst depressing the clutch pedal with the left foot to disengage the engine from the drivetrain and wheels.

Worm drive

A worm drive is a gear arrangement in which a worm (which is a gear in the form of a screw) meshes with a worm wheel (which is similar in appearance to a spur gear). The two elements are also called the worm screw and worm gear. The terminology is often confused by imprecise use of the term worm gear to refer to the worm, the worm wheel, or the worm drive as a unit. The worm drive or "endless screw" was invented by either Archytas of Tarentum, Apollonius of Perga, or Archimedes, the last one being the most probable author.

Systems engineering

Systems engineering is an interdisciplinary field of engineering and engineering management that focuses on how to design, integrate, and manage complex systems over their life cycles. At its core, systems engineering utilizes systems thinking principles to organize this body of knowledge. The individual outcome of such efforts, an engineered system, can be defined as a combination of components that work in synergy to collectively perform a useful function.

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