Basics of kinematics mechanisms- Theory of Machines
For editable PPT of this slides are available in the below link
https://www.blogger.com/blog/posts/7791505816728559524?tab=mj&bpli=1&pli=1
The document discusses cams and followers, which are rotating machine elements where a cam gives reciprocating or oscillating motion to another element called a follower. Cams are usually rotated at uniform speed by a shaft, while the follower motion is predetermined by the cam shape. Cams are used in applications like clocks, machines, engines. Cams are classified as radial or cylindrical based on the follower motion direction. The document provides examples and terminology for radial cams, and discusses follower motion profiles and deriving cam profiles based on given follower motions.
This document contains information about different types of technical drawings and projections used in mechanical engineering. It discusses first and third angle projections, projections of points, lines, planes and solids. It also covers sections of solids, developments of surfaces, and perspective projection. The purpose is to explain key concepts for visualizing and representing 3D objects in 2D technical drawings.
This document provides an overview of static force analysis in machinery dynamics. It introduces key concepts like inertia force, inertia torque, and static versus dynamic force analysis. The document explains that static force analysis neglects inertia forces, while dynamic analysis considers them. It also covers topics like mass moment of inertia, equilibrium conditions for members under different force configurations, and using free body diagrams to determine unknown forces on machine components. The goal of static force analysis is to determine the forces in a mechanism when it is at rest.
This document provides an overview of static force analysis in machinery dynamics. It introduces key concepts like inertia force, inertia torque, and static versus dynamic force analysis. Static force analysis neglects inertia forces, while dynamic analysis considers them. Free body diagrams are used to determine the nature and direction of forces acting on machine components in static equilibrium. Mass moment of inertia is a measure of an object's resistance to changes in rotation. The document provides examples of force equilibrium conditions for members under various force configurations.
The document discusses the design of transmission systems and describes rigid and flexible drives. Flexible drives use an intermediate link like a belt, rope, or chain to transmit power between a driving and driven shaft, providing advantages like transmitting power over long distances, absorbing shocks, and greater flexibility in shaft placement. Belt drives specifically use an endless belt around two pulleys to transmit power between shafts by friction and are commonly used in electric motors, automobiles, machine tools, and conveyors.
Rolling contact bearings have low starting friction, allowing them to take radial, thrust, or combined loads with low friction. They are classified based on their construction and can be selected based on their intended use. A bearing's rating life represents the number of revolutions or hours that 90% of identical bearings in a group can operate before failure. Both static and dynamic load capacities are specified, with dynamic referring to the number of revolutions a bearing can sustain before fatigue cracks form. Load life relationships and equivalent dynamic load calculations aid in bearing selection and reliability predictions.
The document discusses cams and followers, which are rotating machine elements where a cam gives reciprocating or oscillating motion to another element called a follower. Cams are usually rotated at uniform speed by a shaft, while the follower motion is predetermined by the cam shape. Cams are used in applications like clocks, machines, engines. Cams are classified as radial or cylindrical based on the follower motion direction. The document provides examples and terminology for radial cams, and discusses follower motion profiles and deriving cam profiles based on given follower motions.
This document contains information about different types of technical drawings and projections used in mechanical engineering. It discusses first and third angle projections, projections of points, lines, planes and solids. It also covers sections of solids, developments of surfaces, and perspective projection. The purpose is to explain key concepts for visualizing and representing 3D objects in 2D technical drawings.
This document provides an overview of static force analysis in machinery dynamics. It introduces key concepts like inertia force, inertia torque, and static versus dynamic force analysis. The document explains that static force analysis neglects inertia forces, while dynamic analysis considers them. It also covers topics like mass moment of inertia, equilibrium conditions for members under different force configurations, and using free body diagrams to determine unknown forces on machine components. The goal of static force analysis is to determine the forces in a mechanism when it is at rest.
This document provides an overview of static force analysis in machinery dynamics. It introduces key concepts like inertia force, inertia torque, and static versus dynamic force analysis. Static force analysis neglects inertia forces, while dynamic analysis considers them. Free body diagrams are used to determine the nature and direction of forces acting on machine components in static equilibrium. Mass moment of inertia is a measure of an object's resistance to changes in rotation. The document provides examples of force equilibrium conditions for members under various force configurations.
The document discusses the design of transmission systems and describes rigid and flexible drives. Flexible drives use an intermediate link like a belt, rope, or chain to transmit power between a driving and driven shaft, providing advantages like transmitting power over long distances, absorbing shocks, and greater flexibility in shaft placement. Belt drives specifically use an endless belt around two pulleys to transmit power between shafts by friction and are commonly used in electric motors, automobiles, machine tools, and conveyors.
Rolling contact bearings have low starting friction, allowing them to take radial, thrust, or combined loads with low friction. They are classified based on their construction and can be selected based on their intended use. A bearing's rating life represents the number of revolutions or hours that 90% of identical bearings in a group can operate before failure. Both static and dynamic load capacities are specified, with dynamic referring to the number of revolutions a bearing can sustain before fatigue cracks form. Load life relationships and equivalent dynamic load calculations aid in bearing selection and reliability predictions.
Material Selection for Product DevelopmentDevan P.D
This document discusses material selection for product development. It outlines several key factors that influence material selection, including required properties, cost considerations, manufacturing processes, and failure analysis. Material selection is an important part of the engineering design process. The document provides details on selecting materials based on strength, toughness, fatigue resistance, corrosion resistance, and other mechanical properties to meet requirements while balancing various constraints.
Queueing theory studies waiting lines and delays. It can be used to analyze systems like emergency rooms with patients waiting for service. Models represent the input of customers, the queue where they wait, and the service process. In an M/M/1 model, arrivals and service times follow exponential distributions, there is one server, and customers are served in order of arrival. Key metrics include the expected length of the system, length of the queue, and waiting times in both the system and queue. Queueing theory provides insights to reduce delays by adjusting staffing levels or other factors.
This document provides an overview of inventory management. It defines inventory as the physical stock of economic resources held to support smooth operations. The objectives of inventory management are to minimize costs and maximize production efficiency. Inventory is classified into direct categories like raw materials, work in process, and finished goods as well as indirect categories like safety stock. Factors that affect inventory levels include demand, ordering cycles, and economic parameters. Different inventory control systems are discussed, including EOQ which aims to minimize total inventory costs by balancing ordering and carrying costs. Costs associated with inventory holding include carrying costs, shortage costs, ordering costs, and procurement costs.
The document discusses sequencing models for production processes involving multiple jobs and machines. It defines sequencing as finding the optimal order of jobs to minimize total processing time. The objective is to determine the best sequence of jobs across machines. It provides assumptions of the models and describes different types of sequencing problems involving various numbers of jobs and machines. Solution methods discussed include Gantt charts and converting problems with more than two machines into equivalent two-machine problems.
This document provides an overview of the design of transmission systems using flexible elements such as belts, ropes, and chains. It discusses the selection and design of v-belts and pulleys, wire ropes, transmission chains and sprockets. Assessment methods for the course include common assessment tests, written assignments, gamification, active learning, and group presentations. Flexible elements are used to transmit mechanical power over comparatively long distances and for conveying purposes. Proper selection and replacement of these elements is important to prevent deterioration.
This document discusses replacement theory and models for determining optimal replacement times for equipment and components. It covers different types of failure mechanisms including gradual, sudden, progressive, and retrogressive failure. Key factors in replacement decisions are purchase costs, salvage values, maintenance costs, and operating costs. Optimal replacement minimizes total average costs over the lifetime of the item. Group replacement policies can be more cost effective than individual policies for items that fail suddenly by replacing items in a group before failures occur.
This document discusses operations research (OR), which is a quantitative approach to scientific decision making. OR uses interdisciplinary teams and modeling to determine the best use of resources. The OR process involves identifying the problem, collecting data, developing hypotheses and models, testing the hypotheses, and discussing alternatives. Common OR tools include linear programming, queuing theory, and PERT/CPM. OR has applications in many fields like finance, marketing, and manufacturing. However, OR models simplify reality and may not fully represent real-world systems.
Mechatronics is the integration of mechanical engineering, electrical engineering, control engineering and computer science. It combines these disciplines to develop new products and systems. Mechatronics helps manage complexity, uncertainty and communication in engineering applications. The need for mechatronics stems from maintaining product quality, modifying processes easily, meeting vast product demands, surviving competition through speed and accuracy, and improving customer satisfaction. A mechatronics design approach considers a system, its measurement components, and its control components which can operate in open or closed loop systems.
Introduction to AI for Nonprofits with Tapp NetworkTechSoup
Dive into the world of AI! Experts Jon Hill and Tareq Monaur will guide you through AI's role in enhancing nonprofit websites and basic marketing strategies, making it easy to understand and apply.
Physiology and chemistry of skin and pigmentation, hairs, scalp, lips and nail, Cleansing cream, Lotions, Face powders, Face packs, Lipsticks, Bath products, soaps and baby product,
Preparation and standardization of the following : Tonic, Bleaches, Dentifrices and Mouth washes & Tooth Pastes, Cosmetics for Nails.
Executive Directors Chat Leveraging AI for Diversity, Equity, and InclusionTechSoup
Let’s explore the intersection of technology and equity in the final session of our DEI series. Discover how AI tools, like ChatGPT, can be used to support and enhance your nonprofit's DEI initiatives. Participants will gain insights into practical AI applications and get tips for leveraging technology to advance their DEI goals.
Thinking of getting a dog? Be aware that breeds like Pit Bulls, Rottweilers, and German Shepherds can be loyal and dangerous. Proper training and socialization are crucial to preventing aggressive behaviors. Ensure safety by understanding their needs and always supervising interactions. Stay safe, and enjoy your furry friends!
it describes the bony anatomy including the femoral head , acetabulum, labrum . also discusses the capsule , ligaments . muscle that act on the hip joint and the range of motion are outlined. factors affecting hip joint stability and weight transmission through the joint are summarized.
বাংলাদেশের অর্থনৈতিক সমীক্ষা ২০২৪ [Bangladesh Economic Review 2024 Bangla.pdf] কম্পিউটার , ট্যাব ও স্মার্ট ফোন ভার্সন সহ সম্পূর্ণ বাংলা ই-বুক বা pdf বই " সুচিপত্র ...বুকমার্ক মেনু 🔖 ও হাইপার লিংক মেনু 📝👆 যুক্ত ..
আমাদের সবার জন্য খুব খুব গুরুত্বপূর্ণ একটি বই ..বিসিএস, ব্যাংক, ইউনিভার্সিটি ভর্তি ও যে কোন প্রতিযোগিতা মূলক পরীক্ষার জন্য এর খুব ইম্পরট্যান্ট একটি বিষয় ...তাছাড়া বাংলাদেশের সাম্প্রতিক যে কোন ডাটা বা তথ্য এই বইতে পাবেন ...
তাই একজন নাগরিক হিসাবে এই তথ্য গুলো আপনার জানা প্রয়োজন ...।
বিসিএস ও ব্যাংক এর লিখিত পরীক্ষা ...+এছাড়া মাধ্যমিক ও উচ্চমাধ্যমিকের স্টুডেন্টদের জন্য অনেক কাজে আসবে ...
A review of the growth of the Israel Genealogy Research Association Database Collection for the last 12 months. Our collection is now passed the 3 million mark and still growing. See which archives have contributed the most. See the different types of records we have, and which years have had records added. You can also see what we have for the future.
Material Selection for Product DevelopmentDevan P.D
This document discusses material selection for product development. It outlines several key factors that influence material selection, including required properties, cost considerations, manufacturing processes, and failure analysis. Material selection is an important part of the engineering design process. The document provides details on selecting materials based on strength, toughness, fatigue resistance, corrosion resistance, and other mechanical properties to meet requirements while balancing various constraints.
Queueing theory studies waiting lines and delays. It can be used to analyze systems like emergency rooms with patients waiting for service. Models represent the input of customers, the queue where they wait, and the service process. In an M/M/1 model, arrivals and service times follow exponential distributions, there is one server, and customers are served in order of arrival. Key metrics include the expected length of the system, length of the queue, and waiting times in both the system and queue. Queueing theory provides insights to reduce delays by adjusting staffing levels or other factors.
This document provides an overview of inventory management. It defines inventory as the physical stock of economic resources held to support smooth operations. The objectives of inventory management are to minimize costs and maximize production efficiency. Inventory is classified into direct categories like raw materials, work in process, and finished goods as well as indirect categories like safety stock. Factors that affect inventory levels include demand, ordering cycles, and economic parameters. Different inventory control systems are discussed, including EOQ which aims to minimize total inventory costs by balancing ordering and carrying costs. Costs associated with inventory holding include carrying costs, shortage costs, ordering costs, and procurement costs.
The document discusses sequencing models for production processes involving multiple jobs and machines. It defines sequencing as finding the optimal order of jobs to minimize total processing time. The objective is to determine the best sequence of jobs across machines. It provides assumptions of the models and describes different types of sequencing problems involving various numbers of jobs and machines. Solution methods discussed include Gantt charts and converting problems with more than two machines into equivalent two-machine problems.
This document provides an overview of the design of transmission systems using flexible elements such as belts, ropes, and chains. It discusses the selection and design of v-belts and pulleys, wire ropes, transmission chains and sprockets. Assessment methods for the course include common assessment tests, written assignments, gamification, active learning, and group presentations. Flexible elements are used to transmit mechanical power over comparatively long distances and for conveying purposes. Proper selection and replacement of these elements is important to prevent deterioration.
This document discusses replacement theory and models for determining optimal replacement times for equipment and components. It covers different types of failure mechanisms including gradual, sudden, progressive, and retrogressive failure. Key factors in replacement decisions are purchase costs, salvage values, maintenance costs, and operating costs. Optimal replacement minimizes total average costs over the lifetime of the item. Group replacement policies can be more cost effective than individual policies for items that fail suddenly by replacing items in a group before failures occur.
This document discusses operations research (OR), which is a quantitative approach to scientific decision making. OR uses interdisciplinary teams and modeling to determine the best use of resources. The OR process involves identifying the problem, collecting data, developing hypotheses and models, testing the hypotheses, and discussing alternatives. Common OR tools include linear programming, queuing theory, and PERT/CPM. OR has applications in many fields like finance, marketing, and manufacturing. However, OR models simplify reality and may not fully represent real-world systems.
Mechatronics is the integration of mechanical engineering, electrical engineering, control engineering and computer science. It combines these disciplines to develop new products and systems. Mechatronics helps manage complexity, uncertainty and communication in engineering applications. The need for mechatronics stems from maintaining product quality, modifying processes easily, meeting vast product demands, surviving competition through speed and accuracy, and improving customer satisfaction. A mechatronics design approach considers a system, its measurement components, and its control components which can operate in open or closed loop systems.
Introduction to AI for Nonprofits with Tapp NetworkTechSoup
Dive into the world of AI! Experts Jon Hill and Tareq Monaur will guide you through AI's role in enhancing nonprofit websites and basic marketing strategies, making it easy to understand and apply.
Physiology and chemistry of skin and pigmentation, hairs, scalp, lips and nail, Cleansing cream, Lotions, Face powders, Face packs, Lipsticks, Bath products, soaps and baby product,
Preparation and standardization of the following : Tonic, Bleaches, Dentifrices and Mouth washes & Tooth Pastes, Cosmetics for Nails.
Executive Directors Chat Leveraging AI for Diversity, Equity, and InclusionTechSoup
Let’s explore the intersection of technology and equity in the final session of our DEI series. Discover how AI tools, like ChatGPT, can be used to support and enhance your nonprofit's DEI initiatives. Participants will gain insights into practical AI applications and get tips for leveraging technology to advance their DEI goals.
Thinking of getting a dog? Be aware that breeds like Pit Bulls, Rottweilers, and German Shepherds can be loyal and dangerous. Proper training and socialization are crucial to preventing aggressive behaviors. Ensure safety by understanding their needs and always supervising interactions. Stay safe, and enjoy your furry friends!
it describes the bony anatomy including the femoral head , acetabulum, labrum . also discusses the capsule , ligaments . muscle that act on the hip joint and the range of motion are outlined. factors affecting hip joint stability and weight transmission through the joint are summarized.
বাংলাদেশের অর্থনৈতিক সমীক্ষা ২০২৪ [Bangladesh Economic Review 2024 Bangla.pdf] কম্পিউটার , ট্যাব ও স্মার্ট ফোন ভার্সন সহ সম্পূর্ণ বাংলা ই-বুক বা pdf বই " সুচিপত্র ...বুকমার্ক মেনু 🔖 ও হাইপার লিংক মেনু 📝👆 যুক্ত ..
আমাদের সবার জন্য খুব খুব গুরুত্বপূর্ণ একটি বই ..বিসিএস, ব্যাংক, ইউনিভার্সিটি ভর্তি ও যে কোন প্রতিযোগিতা মূলক পরীক্ষার জন্য এর খুব ইম্পরট্যান্ট একটি বিষয় ...তাছাড়া বাংলাদেশের সাম্প্রতিক যে কোন ডাটা বা তথ্য এই বইতে পাবেন ...
তাই একজন নাগরিক হিসাবে এই তথ্য গুলো আপনার জানা প্রয়োজন ...।
বিসিএস ও ব্যাংক এর লিখিত পরীক্ষা ...+এছাড়া মাধ্যমিক ও উচ্চমাধ্যমিকের স্টুডেন্টদের জন্য অনেক কাজে আসবে ...
A review of the growth of the Israel Genealogy Research Association Database Collection for the last 12 months. Our collection is now passed the 3 million mark and still growing. See which archives have contributed the most. See the different types of records we have, and which years have had records added. You can also see what we have for the future.
Exploiting Artificial Intelligence for Empowering Researchers and Faculty, In...Dr. Vinod Kumar Kanvaria
Exploiting Artificial Intelligence for Empowering Researchers and Faculty,
International FDP on Fundamentals of Research in Social Sciences
at Integral University, Lucknow, 06.06.2024
By Dr. Vinod Kumar Kanvaria
This presentation includes basic of PCOS their pathology and treatment and also Ayurveda correlation of PCOS and Ayurvedic line of treatment mentioned in classics.