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"Levers"
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Levers in action
Introduces levers, explains how these simple machines work, and describes some common examples.
Book
Development of a Lever-type Calibration Device
This paper mainly introduces a lever-type calibration device to solve the measurement problem of body scale. The design method and design scheme are introduced to verify the feasibility of the device and realize the automatic calibration of the body scale.
Journal Article
Pressing down : the lever
\"Pressing Down explores the benefits and uses of the lever. RobbO and RobbEE learn how a lever can be formed in three different ways to do different kinds of work--lift and lower, separate, and open.\"-- Provided by publisher.
Book
Emerging Technologies in Displacement Amplification of Lever and Bridge-Type Compliant Mechanism: A Review Article
This review article provides a survey of emerging technologies in displacement amplification of lever-type and bridge-type compliant mechanisms. The displacement amplification is possible with a compliant mechanism. The compliant mechanism is beneficial and efficient because of simplicity in the design and where there is accuracy, compactness, and precision is needed. We can use various categories of displacement amplification of the compliant mechanism depending upon the application. In recent years, displacement amplification of compliant mechanisms gain more attention to the researchers due to the superiority of the mechanical compliant mechanism is compared with a rigid-body mechanism. Displacement amplification compliant mechanism such as bridge types, lever type, a micro-Leverage Mechanism has briefly discussed. The performance parameters such as the principle of working, types of displacement compliant mechanism, fabrication process, operating frequency and displacement amplification ratio are found out
Journal Article
Working with levers
\"We can find levers all around us. Baseball bats, crowbars, seesaws, and wheelbarrows are all examples of levers. The three classes of levers make hard lifting jobs easier with the help of leverage. Each class of lever is set up differently, but has all the same parts. Levers are made up of a plank that pivots at a fulcrum. In this book, readers will learn about the difference between each class of lever, where levers can be found, and how levers make many jobs we do much easier\"-- Provided by publisher.
Book
Modeling of kinematics and kinetostatics of planetary-lever mechanism
The article provides analytical formulas for determining the kinematic parameters of a planetary-lever mechanism with one and two degrees of mobility. The obtained formulas were realized on a computer, in the program Math CAD 15. According to the results of calculations on a computer, regularities were established for the change in the kinematic parameters of the links of the mechanisms under consideration. The influence of the direction and magnitude of the angular velocity of the central wheel on the kinematic characteristics of the planetary-lever mechanism with two degrees of mobility has been determined. Formulas are created to determine the reaction in kinematic pairs of a planetary-lever mechanism with one degree of motility. Based on the calculation results and analysis provided, regularities of the reaction change in the kinematic pairs, as well as balancing moments in the carrier, were established during the basic geometric parameters of this mechanism were varied.
Journal Article
Making machines with levers
A clear and straightforward introduction to the science and technology of machines, showcasing the parts of each machine, how each machine works and how they are used in the world around us.
Book
Quality improvement of the primary cable of the handbrake lever: a QFD approach
Quality function deployment is one of the most used tools for the quality improvement of products or services. According to the literature, manufacturing is one of the industries that has benefited most from its employment. Therefore, the purpose of this paper is to illustrate the usability of the quality function deployment in improving the quality of the primary cable of the handbrake lever. In this way, the technical priorities of this product were established by comparison with those of the main competitors in the market and the target values of each technical characteristic of the product were determined. In addition, the attention of the manufacturer of the primary cable of the handbrake lever can be also focused on the fulfillment of the customer expectations.
Journal Article
Information technology and marketing: an important partnership for decades
PurposeThe enabling technologies that emerged from information technology (IT) have had a considerable influence upon the development of marketing tools, and marketing has become digitalized by adopting these technologies over time. The purpose of this paper is to demonstrate the impacts of these enabling technologies on marketing tools in the past and present and to demonstrate their potential future. Furthermore, it provides guidance about the digital transformation occurring in marketing and the need to align of marketing and IT.Design/methodology/approachThis study demonstrates the impact of enabling technologies on the subsequent marketing tools developed through a content analysis of information systems and marketing conference proceedings. It offers a fresh look at marketing's digital transformation over the last 40 years. Moreover, it initially applies the findings to a general digital transformation model from another field to verify its presence in marketing.FindingsThis paper identifies four eras within the digital marketing evolution and reveals insights into a potential fifth era. This chronological structure verifies the impact of IT on marketing tools and accordingly the digital transformation within marketing. IT has made digital marketing tools possible in all four digital transformation levers: automation, customer interaction, connectivity and data.Practical implicationsThe sequencing of enabling technologies and subsequent marketing tools demonstrates the need to align marketing and IT to design new marketing tools that can be applied to customer interactions and be used to foster marketing control.Originality/valueThis study is the first to apply the digital transformation levers, namely, automation, customer interaction, connectivity and data, to the marketing discipline and contribute new insights by demonstrating the chronological development of digital transformation in marketing.
Journal Article
Modeling and analysis of bridge lever mechanism based on piezoelectric drive
To enhance the amplification ratio of a single bridge amplification mechanism, a novel bridge-lever amplification mechanism based on hybrid hinges is proposed. This new design combines the symmetry and compactness of traditional bridge mechanisms with the structural flexibility and environmental adaptability of lever mechanisms, achieving a higher amplification ratio. A static model is established by using the compliance matrix method to analyze relative amplification ratios under different hinge configurations. Simulations show optimal performance when the first stage uses V-shaped hinges and the second stage uses blade-shaped hinges. The fabricated mechanism achieves an amplification ratio of 40 and a relative amplification ratio exceeding 0.9, validating the analysis.
Journal Article