Professional Courses
Industry-relevant training in Business, Technology, and Design
Categories
Interactive Games
Fun games to boost memory, math, typing, and English skills
Typing
Memory
Math
English Adventures
Knowledge
Machine Element and System Design
The module explores how machine elements combine in mechanical systems, focusing on four main applications: automobile suspension systems, automatic transmissions, material conveyor systems, and construction machinery. Each application is discussed in terms of functions, key components, design considerations, and relevant mechanical principles, emphasizing the integration of theoretical concepts into practical design applications.
Course Chapters
Anatomy of Machines and Design Considerations
The chapter provides an overview of the anatomy of machines, detailing their components and common elements that allow them to perform mechanical work. It discusses key design considerations such as limits and fits, as well as friction and lubrication, emphasizing their importance in optimizing performance and ensuring safety. Understanding these concepts empowers engineers to diagnose failures, enhance manufacturability, and improve overall performance.
Free-Body Diagrams & Force Analysis
Free-body diagrams (FBDs) are crucial tools for visualizing external forces and moments acting on machine elements. The chapter discusses the importance of force analysis in determining internal loads, stresses, and safety in mechanical components under operational conditions. It covers applications of FBD and force analysis in various machine elements like power screws, couplings, clutches, and brakes, as well as in system-level mechanics.
Failure Theories
Failure theories are essential in predicting whether materials or structures will fail under various loads. This chapter covers static failure theories, such as maximum normal stress and shear stress theories, as well as fatigue failure theories that address cyclic stress applications. It emphasizes the importance of effectively applying a factor of safety and understanding stress concentration factors in design processes.
Design of Machine Elements
The module focuses on the design and analysis of key mechanical components in machines and systems, emphasizing their performance under various loading conditions. It covers essential elements such as springs, fasteners, shafts, bearings, transmission elements, and flywheels, detailing design considerations and applications across various industries. The principles for evaluating these components ensure they function effectively and reliably in mechanical systems.
Vibrations of Machine Elements
Mechanical vibrations in machines can lead to issues such as noise, wear, and failure but are also crucial for design safety and performance optimization. Key aspects include single degree-of-freedom systems, forced vibrations, resonance, balancing of rotating and reciprocating masses, torsional vibrations, and critical speeds of shafts. Understanding these elements helps in the effective design and operation of mechanical systems.
Mechanical Systems (Case Studies & Applications)
The module explores how machine elements combine in mechanical systems, focusing on four main applications: automobile suspension systems, automatic transmissions, material conveyor systems, and construction machinery. Each application is discussed in terms of functions, key components, design considerations, and relevant mechanical principles, emphasizing the integration of theoretical concepts into practical design applications.