Mechanical Engineering Portal

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</span> <span class="breadcrumb-item "> Mechanical Engineering </span> </nav> <h1 class="font-serif mt-30 mb-20">Mechanical Engineering</h1> <div class="font-serif grid"> <div class="col-sm-70 col-sm-offset-15"> Mechanical engineering, the branch of engineering concerned with the design, manufacture, installation, and operation of engines and machines and with manufacturing processes. It is particularly concerned with forces and motion.</div> </div> </div> </div> <div class="container"> <h2 class="label my-30">Mechanical Engineering Encyclopedia Articles</h2> <div class="grid top g-10 mb-40"> <div class="col-33 col-sm-20 col-md-16 col-lg-10"> <div class="border shadow p-10 text-center "> <a class="font-weight-bold font-14 " href="/browse/Mechanical-Engineering/1">12--BAZ</a> </div> </div> <div class="col-33 col-sm-20 col-md-16 col-lg-10"> <div class="border shadow p-10 text-center "> <a class="font-weight-bold font-14 " href="/browse/Mechanical-Engineering/2">BEA-CEL</a> </div> </div> <div class="col-33 col-sm-20 col-md-16 col-lg-10"> <div class="border shadow p-10 text-center "> <a class="font-weight-bold font-14 " href="/browse/Mechanical-Engineering/3">CEL-DUK</a> </div> </div> <div class="col-33 col-sm-20 col-md-16 col-lg-10"> <div class="border shadow p-10 text-center "> <a class="font-weight-bold font-14 " href="/browse/Mechanical-Engineering/4">DYN-GAR</a> </div> </div> <div class="col-33 col-sm-20 col-md-16 col-lg-10"> <div class="border shadow p-10 text-center "> <a class="font-weight-bold font-14 " href="/browse/Mechanical-Engineering/5">GAS-ICB</a> </div> </div> <div class="col-33 col-sm-20 col-md-16 col-lg-10"> <div class="border shadow p-10 text-center "> <a class="font-weight-bold font-14 " href="/browse/Mechanical-Engineering/6">IDE-LIN</a> </div> </div> <div class="col-33 col-sm-20 col-md-16 col-lg-10"> <div class="border shadow p-10 text-center "> <a class="font-weight-bold font-14 " href="/browse/Mechanical-Engineering/7">LIP-MUF</a> </div> </div> <div class="col-33 col-sm-20 col-md-16 col-lg-10"> <div class="border shadow p-10 text-center "> <a class="font-weight-bold font-14 " href="/browse/Mechanical-Engineering/8">MUL-PRI</a> </div> </div> <div class="col-33 col-sm-20 col-md-16 col-lg-10"> <div class="border shadow p-10 text-center "> <a class="font-weight-bold font-14 " href="/browse/Mechanical-Engineering/9">PRI-SEM</a> </div> </div> <div class="col-33 col-sm-20 col-md-16 col-lg-10"> <div class="border shadow p-10 text-center "> <a class="font-weight-bold font-14 " href="/browse/Mechanical-Engineering/10">SEM-S盲N</a> </div> </div> <div class="col-33 col-sm-20 col-md-16 col-lg-10"> <div class="border shadow p-10 text-center "> <a class="font-weight-bold font-14 " href="/browse/Mechanical-Engineering/11">TAC-WAT</a> </div> </div> <div class="col-33 col-sm-20 col-md-16 col-lg-10"> <div class="border shadow p-10 text-center "> <a class="font-weight-bold font-14 " href="/browse/Mechanical-Engineering/12">WAT-艩KO</a> </div> </div> </div> <h2 class="label my-30 text-center">Featured Articles</h2> <div class="js-pinboard grid gy-20"> <div class="p-10 d-inline-flex js-pin col-100 col-sm-33 col-md-25 "> <div class="card text-normal col-100 "> <div class="card-media position-relative"> <a href="https://www.britannica.com/technology/ax" style="--aspect-ratio: 16/9"> <img loading="lazy" src="https://cdn.britannica.com/93/125393-050-BA7F4807/Ax.jpg?w=400&h=225&c=crop" alt="ax" class="col-100" /> </a> </div> <div class="col"> <div class="card-body text-hyphenate"> <a href="https://www.britannica.com/technology/ax" class="font-weight-bold font-16 lh-sm">ax</a> <div class="font-serif mt-10 font-14"> Ax, hand tool used for chopping, splitting, chipping, and piercing. Stone Age hand axes originated in simple stone implements that acquired wooden hafts, or handles, about 30,000 bc. Copper-bladed axes... </div> </div> </div> </div> </div> <div class="p-10 d-inline-flex js-pin col-100 col-sm-33 col-md-25 "> <div class="card text-normal col-100 "> <div class="card-media position-relative"> <a href="https://www.britannica.com/technology/saw" style="--aspect-ratio: 16/9"> <img loading="lazy" src="https://cdn.britannica.com/48/122848-050-3CFC46F8/saw.jpg?w=400&h=225&c=crop" alt="circular saw" class="col-100" /> </a> </div> <div class="col"> <div class="card-body text-hyphenate"> <a href="https://www.britannica.com/technology/saw" class="font-weight-bold font-16 lh-sm">saw</a> <div class="font-serif mt-10 font-14"> Saw, tool for cutting solid materials to prescribed lengths or shapes. Most saws take the form of a thin metal strip with teeth on one edge or a thin metal disk with teeth on the periphery. Usually the... </div> </div> </div> </div> </div> <div class="p-10 d-inline-flex js-pin col-100 col-sm-33 col-md-25 "> <div class="card text-normal col-100 "> <div class="card-media position-relative"> <a href="https://www.britannica.com/technology/mortar-and-pestle" style="--aspect-ratio: 16/9"> <img loading="lazy" src="https://cdn.britannica.com/88/2788-004-FA1159DA/mortar-pestle-Ontario-Canada.jpg?w=400&h=225&c=crop" alt="Wooden mortar and pestle from Ontario, Canada" class="col-100" /> </a> </div> <div class="col"> <div class="card-body text-hyphenate"> <a href="https://www.britannica.com/technology/mortar-and-pestle" class="font-weight-bold font-16 lh-sm">mortar and pestle</a> <div class="font-serif mt-10 font-14"> Mortar and pestle, ancient device for milling by pounding. The mortar is a durable bowl commonly made of stone, ceramic, or wood. The pestle is a rounded grinding club often made of the same material as... </div> </div> </div> </div> </div> <div class="p-10 d-inline-flex js-pin col-100 col-sm-33 col-md-25 "> <div class="card text-normal col-100 "> <div class="card-media position-relative"> <a href="https://www.britannica.com/technology/mechanical-engineering" style="--aspect-ratio: 16/9"> <img loading="lazy" src="https://cdn.britannica.com/mendel-resources/3-130/images/shared/default3.png?v=3.130.14" class="default col-100" /> </a> </div> <div class="col"> <div class="card-body text-hyphenate"> <a href="https://www.britannica.com/technology/mechanical-engineering" class="font-weight-bold font-16 lh-sm">mechanical engineering</a> <div class="font-serif mt-10 font-14"> Mechanical engineering, the branch of engineering concerned with the design, manufacture, installation, and operation of engines and machines and with manufacturing processes. It is particularly concerned... </div> </div> </div> </div> </div> <div class="p-10 d-inline-flex js-pin col-100 col-sm-33 col-md-25 "> <div class="card text-normal col-100 "> <div class="card-media position-relative"> <a href="https://www.britannica.com/technology/hand-tool" style="--aspect-ratio: 16/9"> <img loading="lazy" src="https://cdn.britannica.com/53/105053-050-2B9BCD4C/hand-tools-carpentry.jpg?w=400&h=225&c=crop" alt="hand tools" class="col-100" /> </a> </div> <div class="col"> <div class="card-body text-hyphenate"> <a href="https://www.britannica.com/technology/hand-tool" class="font-weight-bold font-16 lh-sm">hand tool</a> <div class="font-serif mt-10 font-14"> Hand tool, any of the implements used by craftspersons in manual operations, such as chopping, chiseling, sawing, filing, or forging. Complementary tools, often needed as auxiliaries to shaping tools,... </div> </div> </div> </div> </div> <div class="p-10 d-inline-flex js-pin col-100 col-sm-33 col-md-25 "> <div class="card text-normal col-100 "> <div class="card-media position-relative"> <a href="https://www.britannica.com/technology/wrench" style="--aspect-ratio: 16/9"> <img loading="lazy" src="https://cdn.britannica.com/42/145842-050-DD586D4B/Workman-wrench-bolt.jpg?w=400&h=225&c=crop" alt="adjustable wrench" class="col-100" /> </a> </div> <div class="col"> <div class="card-body text-hyphenate"> <a href="https://www.britannica.com/technology/wrench" class="font-weight-bold font-16 lh-sm">wrench</a> <div class="font-serif mt-10 font-14"> Wrench, tool, usually operated by hand, for tightening bolts and nuts. Basically, a wrench consists of a stout lever with a notch at one or both ends for gripping the bolt or nut in such a way that it... </div> </div> </div> </div> </div> <div class="p-10 d-inline-flex js-pin col-100 col-sm-33 col-md-25 "> <div class="card text-normal col-100 "> <div class="card-media position-relative"> <a href="https://www.britannica.com/technology/hammer-tool" style="--aspect-ratio: 16/9"> <img loading="lazy" src="https://cdn.britannica.com/99/125399-004-3EA8B2DB/Hammer.jpg?w=400&h=225&c=crop" alt="hammer" class="col-100" /> </a> </div> <div class="col"> <div class="card-body text-hyphenate"> <a href="https://www.britannica.com/technology/hammer-tool" class="font-weight-bold font-16 lh-sm">hammer</a> <div class="font-serif mt-10 font-14"> Hammer, tool designed for pounding or delivering repeated blows. Varied uses require a multiplicity of designs and weights. 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