Nuts bolts and washers - Free Essay Example

Sample details Pages: 2 Words: 688 Downloads: 5 Date added: 2017/06/26 Category Industry Essay Type Narrative essay Did you like this example? Nuts, Bolts and Washers Buyers Guide Nuts, bolts and washers are used in all joinery work in domestic and industrial applications. Nuts are threaded holes that work with threaded bolts to fasten hardware. Bolts or screws are cylindrical rods having helical threads and a head; used standalone or with a bolt for positioning and fastening. Washers are thin, round plates of metal or plastic, with a hole for the fastener to go through. About nuts and their types Nuts and bolts hold together materials by forming a tight hold due to their interlocking threads, part compression and stretching of the bolt. Nuts and bolts are matched by their proof strength that is measured by the ISO property class. To circumvent loosening due to vibrations and torque, nuts can come with locking features such as nylon wires, adhesives, oval shaped threads, and so on. These nuts are called locknuts or prevailing torque nuts. They come in various shapes but the most common is hexagonal. The following is a list of common types of nuts: Don’t waste time! Our writers will create an original "Nuts bolts and washers" essay for you Create order acorn nut (cap nut) Allen nut (internal wrenching nut) barrel nut blind nut (Rivet nut) cage nut castle nut clinch nut clip-on nut (J-nut) collar nut (flange nut) coupling nuts cross dowel nut crushed nuts hex nut insert nut lug nut machine screw nut nut-type MJT panel nut PEM nut Plate nut self-aligning nut slotted nut split nut square nut staked or welded nut swage nut T-nut (tee nut) Thumb nut (knurled nut) T-groove nut (T-slot nut) weld nuts well nuts wing nut Types of lock nuts: aerotight nut autolok nut Clevelock nut castellated nut conduit lock nut distorted thread lock nut centerlock nut elliptical offset lock nut toplock nut flex locknut interfering thread tapered thread nut jam nut jet nut (J-nut) KEPS nut (K-nut) nylon plate nut polymer insert nut (nylon) serrated face nut serrated flange nut Stover lock nuts speed nut (Tinnerman style or sheet metal nut) split beam nuts two way reversible locknuts About bolts and their types A bolt is composed of a shank that is partially or fully threaded, and may or may not taper; and a head that is usually larger than the body of the bolt. Most bolts are driven into a material, but there are exceptions. Bolts usually have right handed threads, except where they can be subjected to anticlockwise forces. Bolts are made of metals stainless steel, alloys, titanium; or plastic Teflon, nylon. The shape of screw heads varies pan, button, round, truss, flat, oval, bugle, octagon, hexagon, cheese, fillister, mirror screw or headless. Drive designs on the screw heads also vary single slot, cross-head, square, hex, Torx, Pozidriv, Supadriv, tri-wing, double hex, Bristol, combi-head drives and more. Common types of bolts or screws are: coach screw concrete screw deck screw dowel screw drywall screw lag bolt particle board screw screw eye self-drilling screw sheet metal screw wood screw breakaway bolt button socket cap screw carriage bolt cap screw eye bolt elevator bolt flange bolt flat socket cap screws hex bolt hex head cap screw machine screw metric flange bolt plow bolt security screw self-tapping machine screw set screw shoulder screw stove bolt stud tap bolt TC bolt thumb screw toggle bolt hanger screw hold and drive bolts super bolt thread rolling screws waisted shank bolt About washers and their types Washers are used to distribute the load of a threaded fastener to prevent brinelling; for spacing; as spring and wear pads, locking devices, preload indicating devices; and for the prevention of galvanic corrosion. They come in various sizes. Following are the main types of washers available: anchor Belleville bimetal bit guard countersunk washer crush washer fender washer flat (normal and hardened) helical spring washer internal-external lock washers multi-tooth (star) phenolic pop rivet backup plumbing shoulder spherical split lock spring top hat torque washer nut wave Nuts, bolts and washers have a place in almost all mechanical, manufacturing and engineering processes. It is important to select the right fasteners and washers for the job as these simple pieces of metal or plastic play a vital role in reinforcing structures and materials.

Effects Of Shadow Banking On The Financial Crisis

In this essay I am going to discuss the effects of shadow banking on the recent financial crisis of 2007-8. Shadow banking was one of the major causes of the financial crisis since it was the subprime mortgages which was the first trigger of the collapse in the banking system. Through this essay I am to achieve a detailed analysis of why the shadow banking was one of the causes in the financial crisis and why was it not prevented by any regulation enforced. The basis of shadow banking system is that it occurs when financial intermediaries conduct transformation of maturity, credit and liquidity without having access to the central bank liquidity guarantees or even public sector credit. Maturity transformation: obtaining short-term funds to†¦show more content†¦This is in contrast to the traditional banking system of originate to hold model. In the shadow banking system there is an highly important part in the process which is the securitisation process. The securitisation process is a method where illiquid assets are transformed into liquid tradable instruments. In more detail the securitisation process is a method which gives the banks the opportunity to removes the loans from the asset side of their balance sheet meaning that they evenly spread the associated risks to the other financial units. This could be due to the fact that shadow banks are largely unregulated. However during the financial crisis the shadow banking system also helped magnify the risks in the banks balance sheets since after the financial crisis there was an increase in the regulation in the shadowing banking system. The complex process of securitisation has five stages to show the basic structure. The first step of the process starts with the commercial banks. The commercial banks are the originators of the loan since they decide to securities a part of their loans. The following step is the aggregator buys loans from one or more originators which then means that the aggregator can sell the loans to a multiple amount of buyers. The third step is when the loans that have been sold to many buyers are sold off to the

Economics Essay Example For Students

Economics Essay EconomicsDefinition of Topic: Economics is the study of supply and demand. It defines the ways that human beings allocate resources and how resources are distributed amongst a market. It allows you to see trends in current market places and predict what may happen in the future. Many different subjects were once regarded as a part of economics. Political science and even sociology were once considered part of the field. These subjects still play a major role in understanding economics but are also completely separate disciplines today. History: Since ancient times, humans have contemplated basic economic problems. Many great minds have tried to master the subject. Aristotle and Plato were probably the first to document such studies. Both agreed that living by trade was ill fated. Influenced by Greek economic ideals the Romans built their wealth. After the fall of Rome, the Catholic Church would become the power behind most economic laws. They would condemn usury and regarded commerce as inferior to agriculture. It wasnt until 1776 that economics became a study of its own. Adam Smith is considered the father of economics. Through his work Inquiry into the Nature and Causes of the Wealth of Nations, he used mercantilism and physiocracy to develop classical economics. Smith emphasized consumption, rather than production to broaden the scope of economics. Modern thought still follows his examples for permitting self-interest in order to promote national prosperity. This is most evident when looking at todays smaller business market. Twenty years later, Malthus would write a discouraging, but very influential book, An Essay on the Principle of Population. Malthus believed that the human race would eventually be doomed by overpopulation. His theory was that food would increase in arithmetic ratio but population would double every generation. This theory is faulty because it does not account for disease, famine, war, etc. Malthus view of supply and demand left a permanent impression on generations to come. It would hence be know as the dismal science. Next to revolutionize economics would be the Communist Manifesto in 1848. Karl Marx had the classical vision of capitalism, Marxism was in large measure a sharp rebuttal, but to some extent it embodied variations of classical themes. For Marx, the labor theory was a clue to the inner workings of capitalism, the master key to the inequities and exploitation of an unjust system. In the long run, Marx believed that capitalism was certain to falter because its tendency to concentrate income and wealth in ever fewer hands created more and more severe crises of excess output and rising unemployment. For Marx, capitalisms fatal contradiction was between improving technological efficiency and the lack of purchasing power to buy what was produced in ever larger quantities. John Maynard Keynes was a student of Alfred Marshall and an exponent of neoclassical economics until the 1930s. The Great Depression bewildered economists and politicians alike. The economists continued to hold, against mounting evidence to the contrary, that time and nature would restore prosperity if government refrained from manipulating the economy. Unfortunately, approved remedies simply did not work. In the U.S., Franklin D. Roosevelts 1932 landslide presidential victory over Herbert Hoover attested to the political bankruptcy of laissez-faire policies. New explanations and fresh policies were urgently required; this was precisely what Keynes supplied. In his enduring work The General Theory of Employment, Interest, and Money, the central message translates into two powerful propositions. Existing explanations of unemployment he declared to be nonsense: Neither high prices nor high wages could explain persistent depression and mass unemployment. Instead, he proposed an alternative explanation of these phenomena focused on what he termed aggregate demandthat is, the total spending of consumers, business investors, and governmental bodies. When aggregate demand is low, he theorized, sales and jobs suffer; when it is high, all is well and prosperous. Sex Education EssaySocial responsibility of each concept:Humans develop societies, and a part of society is the economy in which those humans live in. Although economics itself cannot be held responsible for social conduct, the humans that control it can. Not all countries are as economically wealthy as the United States. Many countries have poor or failing economies. While the citizens of the United States cannot be held accountable for the failings of third-world countries, I believe it is the responsibility of those who have, to help those who have not. As human beings we should not let others suffer needlessly. For this reason we have charities and other ways of giving time, money, or services to the needy. Our government has even incouraged these actions by offering tax breaks for things of this nature. Career Opportunities in each field: The career opportunities in the field of economics are endless. Almost any job available is in some way related to, or a part of economics. The most obvious job example in this field is an economist. An economist studies the economy and consults businesses, such as a bank, on how to manage their assets. A perfect example of an economist is Alan Greenspan. Mr. Greenspan was also an advisor to President Nixon, and is now head of the U.S. Federal Reserve System, two more good examples of career opportunities in the field of economics. Another excellent choice for economics majors is teaching. There are job openings all across the country at many prestigious universities for economics professors. As an economics major, graduates could work for the National Institute of Health as an Operations Research Analyst, as an accountant (anywhere), or in almost any research or marketing opening. The Centers for Disease Control even require economists; they currently have positions open for post-doctorate fellowships. These are just a sampling of the job opportunities in the field and related fields of economics. With very little research, anyone interested in economics could find a plethora of interesting and challenging careers pursuable within the realm of economics. Works CitedThe Columbia Electronic Encyclopedia Copyright 1994, 2000, Columbia University Press. Licensed from Columbia University Press. http://www.careerbuilder.com searched (economics)http://www.infoplease.com/ce6/bus/A0816721.html http://www.whitehouse.gov/fsbr/employment.htmlMicrosoft Encarta Encyclopedia 2002. 1993-2001 Microsoft Corporation. All rights reserved. Understanding Business. Nickels, William G. McHugh, James M. McHugh, Susan M. Copyright 2002 The McGraw-Hill Companies, Inc. New York, New York.

Lennie of Mice and Men free essay sample

Most people always have an innocence to them, some more than others. Those that hurt people intentionally and don’t care about other people’s feelings may not have that innocence. Lennie if Of Mice and Men by George Stienbeck is the biggest kid around. Problem with him being a so called kid is that he’s actually a rather large grown man. People say he should be locked up in a looney house, he’s never going to be of any use or do well in life. Well should he? He doesn’t mean any harm. Lennie in this novel always acts like a child and never means the harm that he accidently causes. Lennie is a grown man but really just a child at heart. He’s a big man, could kill you with a flick, but he wouldn’t hurt a fly even if told to. â€Å"Jesus† said Slim, â€Å"He’s jes like a kid, ain’t he. We will write a custom essay sample on Lennie of Mice and Men or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page † (43). Anyone with a heart that wasn’t bitter could see through Lennie’s exterior, and could see an innocent child at heart. Lennie likes to touch soft things, just don’t score him while he’s petting it. â€Å"I could pet it with my thumb while we walked along. † (6). Lennie said. â€Å"I jus wanted to pet ‘um a little. † Maybe Lennie liked to pet and touch soft things because he had an obsession with soft things in his childhood. Just a big kid that liked soft things. Lennie never meant to hurt people or animals. Lennie accidently hurt and scared people, but he never meant to cause that. â€Å"I didn’t mean no harm, George. Honest, I didn’t. † (43). Said Lennie. â€Å"I don’t want ta hurt you. † (91). Lennie most likely never meant to cause harm, pain, or sorrow, it was always unintentional. Lennie always felt bad when he hurt someone, he didn’t mean to harm them. He knew when he had done something bad, he knew George was going to be mad at him for it. Whispered in fright, â€Å"I done a bad thing. I done another bad thing. †(41). Said Lennie. â€Å"Ain’t you gonna give me hell George? † (103). Lennie felt bad about the accidents he caused. He knew had done bad. He knew he was going to get in trouble for it. Lennie never meant any harm, and when he did cause harm he always felt bad and guilty. Things take a twist for the worst when the inner child causes unintentional harm. Of Mice and Mens Lennie never meant to harm. Those that did not like Lennie didn’t have a heart or the innocence. He could have done well in life, if people just gave him a fair chance instead of judging. See things the way Lennie does, the innocent way. Lennie is innocent, is just a big kid, and never means the pain he accidently causes.