Mechanical Engineering Overview

Discover the Mechanical Engineering Technology channel at BrightHub.com and discover an authoritative new voice in technology offering information for the novice, the student and the practicing professional.

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    • Toolmaking and Precision Machining

      Toolmaking and precision machining are the need of the day, but recent advances in technology demand ever higher precision and accuracy in order to reach the desired limit. This article...

      Written by: kkaarthic
    • Eliminating Vibration Problems in Piping

      Whether installed on a ship, factory, or in the local supermarket, all piping needs to well supported and vibration free. Pipe supports can incorporate springs to reduce vibration,...

      Written by: Willie Scott
    • Environmentally Safe Blasting & Cleaning

      Surface cleaning by dry ice blasting is a very effective method with practically no clean-up required. Equally adaptable to sensitive and rugged surfaces, this is a non-toxic and environmentally...

      Written by: johnzactruba
    • How Inorganic Glasses are Made

      Inorganic or fundamental glass is an important material that is used for various applications worldwide. This article describes the fundamental facts of the various types of inorganic...

      Written by: Asheesh
    • Post Weld Heat Treatment - Why Is It Important?

      Post Weld Heat Treatment ( PWHT) reduces the residual stresses formed during welding. It also restores the macro structure of the steel. Mandatory in high pressure applications...

      Written by: johnzactruba
    • Classification Of Welding Processes

      This article deals with the various classifications of welding processes. Types of welding such as oxy fuel gas welding, arc welding, resistance, electron beam and laser welding are...

      Written by: Aggeliki K.
    • Beam Load Calculations Explained

      In the field of construction, beam load calculations can become truly critical and require special attention as well as accurate implementation of the results. A simple yet effective...

      Written by: Swagatam
    • Hot Wire Foam Cutter Software Applications for CNC

      Are you a hobbyist? Want to know which CNC foam cutter software you should use for your hot wire CNC foam cutter? Read on to learn about the various popular options now available...

      Written by: Suvo
    • Gear Manufacturing Methods

      Gears play a prominent role in mechanical power transmission. Manufacturing of gears is a very interesting area involving various methodologies and varies with the type of gears to...

      Written by: kkaarthic
    • When to Use Structural or Lag Screws

      The definitive guide to structural screws and lag screws, this article delves into the design, costs, and ease of use of each type. It also discusses the indications for use of the...

      Written by: Erik Hinrichsen
    • Powering the Alaska Pipeline

      The Alaska Pipeline runs from Prudhoe Bay to Valdez; a distance of 800 miles, and has been transporting local crude oil since 1977, using up to ten pumps. About half of the insulated...

      Written by: Willie Scott
    • Lubricant Properties for a Gearbox – Part 2

      This article deals with the properties in a lubricant needed for the satisfactory performance of a gearbox. The various characteristics of the lubricant are discussed in detail here...

      Written by: kkaarthic
    • Reusing Compression Connectors

      Reusing compression fittings/ connectors are highly recommended in hydraulic process assembly. They are used in both high and low pressure applications. The reusable...

      Written by: scopet
    • How to Predict the Start of Vortex Shedding

      How do you predict the start of vortex shedding in fluid flow? Using a vortex shedding frequency formula you can predict when it will occur.

      Written by: Asheesh
    • Aircraft Hydraulic Engineers

      The job of an aircraft hydraulic engineer is among the most interesting. Find out what the qualifications, responsibilities and working conditions are.

      Written by: Aggeliki K.
    • Viscosity Measurement Equipment

      This article provides an introduction and description to some of the different types of viscosity measurement devices used in the field, factory, and laboratory, and how to select which...

      Written by: Erik Hinrichsen
    • Care and Maintenance of Chicksan Valves and Swivel Joints

      Chicksan loading arms were developed in the fifties to load and discharge oil tankers. Their main features are unique swivel joints and isolating valves fitted each side of a powered...

      Written by: Willie Scott
    • Simple Fluid Mechanics Experiments and Calculations

      This article gives you the concept of a simple fluid mechanics experiment using Pascal's law as principle. Also we will discuss the calculation related to the experiment and an...

      Written by: Finn Orfano
    • Fluid Pumps: Classification and Types

      Classification of fluid or hydraulic pumps is based on fluid flow pattern through pumps and fluid supplied by pumps. Pumps can be classified as intermittent flow Positive Displacement...

      Written by: naveenagrawal
    • Types of Reciprocating Positive Displacement Pumps: Diaphragm Pump

      Diaphragm Pumps have a diaphragm as the reciprocating part. The reciprocation of this diaphragm produces the pumping action of the diaphragm pump. The diaphragm can be actuated by liquid...

      Written by: naveenagrawal
    • Quiz for Reading Blueprints

      So you think you know about the mechanical engineering field? You know how to read and interpret an engineering blueprint, right? Well, let’s find out. Take this quick...

      Written by: Mike Aguilar
    • Advantages of Pneumatics over Hydraulics

      Despite the immense capabilities of hydraulics presented in terms of moving higher loads and in other industrial utilization, pneumatics are still in wide use today. The article discusses...

      Written by: Tarun Goel
    • A Guide to Grinding and Lapping Paste

      Grinding pastes are used for controlled removal of metal, polishing, and fitting applications. They are used in various applications like fuel injector and exhaust valve overhaul, globe...

      Written by: Chief Engineer Mohit Sanguri
    • Understanding Workshop Practice - Relevant Terms, Safety and Fire Precautions

      Mechanical workshop safety rules are important to follow because workshop rules and regulations not only ensure worker safety but also bring efficiency to the work process. Safety guidelines...

      Written by: Tarun Goel
    • How to Find Moment of Inertia

      Using Routh’s rule and the integration method, we can evaluate the moment of inertia of a body having mass and area. We can further implement methods for finding the moment of...

      Written by: Karann
    • Technological Advances of the 90s

      The 1990s were a time of globalized growth in which science and technology saw notable growth. The decade brought some of the greatest scientific findings and technological inventions...

      Written by: Tarun Goel
    • Facts on Design Safety

      Observing safety norms is important because it not only brings work into order but also saves time and increases efficiency. System safety analysis and risk assessments are covered...

      Written by: Tarun Goel
    • Understanding Force of Friction

      Two surfaces in contact, no matter how much smooth they may appear to be, pose some frictional force across their surfaces. Here we try to present a comprehensive explanation regarding...

      Written by: Karann
    • Understanding Laws of Forces

      Force may be defined as an agent which generates or has a tendency to generate a motion and in some occasions “kills” or "tends to kill” a motion. Here, we investigate...

      Written by: Karann
    • Explaining Equilibrium of Forces

      The article explains the conditions required for a set of forces acting over a body to come under equilibrium, during which the body remains stationary even under the influence of the...

      Written by: Karann
    • What is the Best Indoor Humidity Range for People, Books, and Electronics?

      This article provides an engineering perspective on the best range of humidity for people, books, and electronics. Also discussed is how humidity is measured and the best ways to control...

      Written by: Erik Hinrichsen
    • Learn More about Heat Pumps

      Nature created mankind, but with the advancement of technology, man is now trying to recreate nature. This may have its own advantages and disadvantages, but nowhere is this struggle...

      Written by: kkaarthic
    • HVAC Design Principles and Major System Components

      Whether you're upgrading an existing system or building a new one, good knowledge of the principles of heating and air conditioning, and typical designs, will allow you to make...

      Written by: Mike Aguilar
    • Air Conditioning from the Engineering Perspective: A Guide

      Air conditioners are not just about the on/off button and remote control. For an engineer, they mean a lot more: they are machines that must be understood to achieve efficient...

      Written by: Tarun Goel
    • Heat Exchanger Designs

      Calculations for heat exchanger designs use heat transfer parameters such as convection heat transfer coefficients, overall heat transfer coefficients, and log mean temperature differences...

    • An Elementary Introduction to Heat Capacity

      Why do you burn your tongue on the filling and not the crust when you bite into your favorite hot pie? The mystery is solved by examining heat capacity.

      Written by: Dr. Crystal Cooper
    • Upgrading Heating, Ventilation and Air Conditioning

      The power used in running a building's Heating, Ventilation and Air Conditioning (HVAC) is quite substantial, so any measures to improve its efficiency will save energy...

      Written by: Willie Scott
    • Preliminary Heat Exchanger Design Example

      Design of heat exchangers is an iterative process, using the heat exchanger design equation to estimate the needed heat transfer area, based on an estimate of the overall heat transfer...

    • The 2nd Law of Themodynamics

      In this article you will learn the two classical statements of second law, that is the Kelvin-Plank statement and Clausius statement. You will also learn some basics of thermodynamic...

      Written by: Asheesh
    • How to Find Freon Leaks in Air Conditioners

      Freon leaks from air conditioners have adverse effects on our health. Keeping a check over Freon levels in air conditioners is important not only for health but for effective and smooth...

      Written by: Tarun Goel
    • The Essential Guide to Hardware

      This guide to hardware deals with industry-standard items of which, though common, the selection of can make or break the repair, upgrade, or maintenance of essential equipment. How...

      Written by: kkaarthic
    • Guide to AC and DC Motors - Theory and Operation

      Most rotational applications in industry and manufacturing depend on electric motors. Our day to day life depends on electronic and electrical devices, and they, too, in turn depend...

      Written by: Tarun Goel
    • Fine Mechanical Skills are Still in Demand

      How do skilled tradesmen obtain their skills? How are they are best employed in the modern day arena of highly automated machining, and why they should not be allowed to disappear?

      Written by: LanceHeywood
    • Basic Skills for Metal Riveting

      A rivet gun is a very useful tool that fastens metal parts with rivets. Working with a rivet gun can increase productivity without degrading the quality of the finished product. There...

      Written by: Asheesh
    • Calculation Methods for Pulley Systems

      The article explains the three fundamental systems of pulleys, covering their operational description and methods for calculating their velocity ratio, mechanical advantage, and efficiency...

      Written by: Swagatam
    • Magnetic Levitation in High Speed Trains

      As society has become more fast-paced, the need for a more efficient mode of transportation has arisen. One recent technology that meets this new demand is the maglev or magnetic levitation...

      Written by: Terry Ligard
    • Difference between Tensors and Vectors

      What are the differences between the vector and the tensor? What are the relation between the mechanical rotations vectors and tensors? This article will also cover these all...

      Written by: Suvo
    • Using an Industrial Drawing Board

      A mechanical drafting machine is used as a conventional method of producing an engineering drawing used in many offices and industries. A drafting machine is installed on an angular...

      Written by: scopet
    • Load Moving Machines Explored Through Formulas

      Moving huge weights used to be a big challenge for workers, which led to the invention of lifting machines. These well calculated, efficient mechanisms well allowed us to forge ahead...

      Written by: Swagatam
    • The Key Shear Stress Problem in Shafts

      Keys are very useful and inexpensive locking devices for transmission shafts. The problems of key shear stress in shafts and their impacts on transmission system are described below...

      Written by: Asheesh
    • Counters for the Detection of Radioactive Emissions

      Radioactive emissions can interact with atoms of other materials. The rate of nuclear decay can be derived by measuring the radioactivity of a sample, or its effects on these interactions...

      Written by: Terry Ligard
    • What is a Load Cell? How does it Work?

      This article describes load cell, the devise used for the measurement of large tensile and compressive forces and pressures.

      Written by: Haresh Khemani
    • Mechatronics History

      The technology of Mechatronics is widely used in manufacturing industries and now, this term has a great importance in production technologies. Let we discuss the history of this term...

      Written by: Asheesh
    • Measuring Pipe Flow Rate with an Ultrasonic Flow Meter

      Two types of ultrasonic flow meter are in common use to measure pipe flow rate. They are the doppler ultrasonic flow meter and the transit time ultrasonic flow meter. Both types use...

    • How to Take Accurate Readings Using Micrometer Screw Gauge?

      Micrometer screw gauge is used for measuring small dimensions with acute precision. Screw gauge is used for dimensions smaller than those measured by vernier calipers. Learn how to...

      Written by: Raunekk
    • How to Take Accurate Readings Using Vernier Calipers?

      Vernier calipers are small mechanical devices used for taking precision measurement. Though a bit complex to use it in the first place, a vernier caliper is supposed to be known as...

      Written by: Raunekk
    • What is a Vernier Caliper?

      The vernier caliper is one of the most versatile measuring equipments in the field of mechanical engineering. Vernier calipers are known for their precise measuring capability for both...

      Written by: Raunekk
    • What is a Micrometer Screw Gauge?

      Micrometer screw gauge is a form of calipers used for measuring small dimensions. Screw gauge in extensively used in the engineering field for obtaining precision measurements. The...

      Written by: Raunekk
    • SI Units or System of Measurement

      This article describes International system of units, popularly known as SI system of units. It also describes the advantages of the SI units, the fundamental and derived SI units and...

      Written by: Haresh Khemani
    • Units of Measurement: Fundamental and Derived Units, Systems of Measurement

      This article describe fundamental or basic and derived units of measurement and the desired requirement of these units. It also describes systems of units like CGS, MKS, FPS and SI...

      Written by: Haresh Khemani
    • Identifying and Purchasing Resistors

      Robots use many resistors on their circuit boards. These resistors are so crucial for electronics that they would not operate without them. Therefore, it is important to know how to...

      Written by: Terry Ligard
    • Recommended Additional Features for Multimeters in Robot Building

      In order to make robot building even more efficient, you don't only purchase any multimeter, but you can purchase one with extra features that are not typically included in basic...

      Written by: Terry Ligard
    • Manipulation Robotic Systems: AutomaticType Robot

      Manipulation Robotic Systems, an integral part of many industrial manipulators, are mainly divided on the basis of the type of control system they have. Automatic robots, a type of...

      Written by: Raunekk
    • The Future of Robotics

      This article explains the future of robotics, including their usage in home, factories, hospitals and biomimetics. Presently it appears more like fiction, but in the next few decades...

      Written by: Kevin-F
    • The Brains and Body of a Robot

      Robots are an essential part of technology today. However, most people overlook the similarities robots have with humans, in terms of a control center and a structure. Two key components...

      Written by: Terry Ligard
    • Honda Asimo - How Long to Robots in the Home?

      You must have seen them in movies. You must have read about them in novels. They were fictitious, but currently live. Who are we speaking about? Indeed the humanoid robots!...

      Written by: Baby Rani
    • PID Loop Tuning Methods for Robotics

      PID loop tuning is a programming method that allows a user to vary any combination of three variables to produce the desired effects within a closed system. Here we will discuss common...

      Written by: Tarun Goel
    • Dealing with Decommissioned Industrial Robots

      After a robot has outlived its normal utility, its disposal becomes a challenge for the enterprise using it. Resale, sending to a scrap yard, using it for land-fill, and recycling are...

      Written by: Ricky
    • Medical Robotics

      Medical robotics is an interesting discipline that is related to human health of all individuals. Their use is becoming popular due to their numerous advantages in the medical field...

      Written by: Kevin-F
    • Self-Learning Control System Concepts Simplified

      Control system design and operation have improved with the advance of technology, but the basic premises of their functioning and optimization are necessary information for today's...

      Written by: Suvo
    • A Guide to Motion and Energy in Classical Mechanics

      What is motion and what is energy? These fundamental questions are difficult to answer. The first attempt to give some explanations was made through classical mechanics. Here you...

      Written by: Aggeliki K.
    • A Step by Step Approach to Thermodynamics

      One of the most fundamental science fields that has contributed to the evolution of engines since the early 19th century, thermodynamics has seriously affected our lives. In this guide...

      Written by: Aggeliki K.
    • Thermal Expansion

      Have you ever wondered why you can loosen the metal lid of a jar by applying hot water? The answer involves a special thermodynamic property of solids called thermal expansion.

      Written by: Dr. Crystal Cooper
    • Thermodynamic Mysteries: Giant Killer Hornets, Honeybees, and the First Law of Thermodynamics

      How does the never ending battle between Japanese honeybees and giant Asian hornets help to demonstrate the first law of thermodynamics?

      Written by: Dr. Crystal Cooper
    • Materials Used to Resist High Temperature in Various Industries

      Materials that have the ability to protect equipment and instruments from being damaged due to high temperature are called heat resistant materials. These materials can be found on...

      Written by: Asheesh
    • What is Thermodynamic Equilibrium? Part-1

      The two systems are said to be in thermodynamic equilibrium with each other when they are in mechanical, chemical and thermal equilibrium with each other. Here are various types of...

      Written by: Haresh Khemani
    • What is the Triple Point of Water?

      Can water really exist in a form that is a liquid, steam, and ice all at once? And how is this feature useful in the creation of thermometers? The triple point of water explains...

      Written by: Dr. Crystal Cooper
    • The Thermal Expansion of Water

      Why do icebergs float in water? Why do pipes burst in the winter? How is it that life can exist in arctic seas? The answers lie in the thermal expansion of water.

      Written by: Dr. Crystal Cooper
    • What are Reversible and Irreversible Processes?

      There are two main types of thermodynamic processes: the reversible and irreversible. The reversible process is the ideal process which never occurs, while the irreversible process...

      Written by: Haresh Khemani
    • Nitrogen Thermodynamics

      The correct understanding of the thermodynamic properties of the nitrogen is essential for its safe use and the development of applications. This article presents some basic concepts...

      Written by: Dige