Types Of Hand Tools And Their Uses Pdf

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Improperly using tools can cause more problems than it solves. How many times have you seen somebody using a screwdriver as a pry bar? Or concrete blocks being used to support scaffolding instead of jacks and pads? Or someone using a five-gallon bucket as a stepladder? These are just a few examples of misused equipment that can result in injury on-the-job or during DIY projects at home.

Different Types of Hand Tools and their Uses

The technique of fitting parts together after fabrication or manufacturing the parts is called assembly work. To do so, it is necessary to some parts filling, threading, hammering or sawing jobs which are done on working bench or fitting table. Most jobs or fasteners would be useless without quick, easy means of installing and removing them. A good workman always selects the proper tool for the job and must be skilled in the use of numerous hand tools.

In addition, the machinist must also know the various types of tools available to do a particular job, how to select the best type and the size for a given job and how to care for and store tools when not in use.

The tools which are used by hand with physical labor or used for manual work are known as hand tools. The following three rules are important to get the best output from the tools, - Purchase only quality tools.

Hand tools fall into two major groups: Non-cutting Hand Tools. Cutting Hand Tools. Hammer Hammer is used to deliver a flat blow force or to shape and form metal. Hammer comes in many types, sizes and shapes. The size used depends on the work size and required force.

Hammers are two types according to their materials: - Hard hammer. It is heat treated to make the striking faces hard. They are used for striking punches, cold chisels, steel letter and figures. It also used for forging hot metal, riveting, bending, straightening and swaging.

Three types of hard hammer are used in machine and metal trades: - Ball-peen hammer. Ball-peen hammer Straight-peen hammer Cross-peen hammer Soft hammers used in assemble and disassemble operation in place of steel hammer to protect machine surface or fragile parts.

Soft hammers may have the entire head made of a soft metal such as: lead, Babbitt metal, copper and brass having striking surface made of plastic, rubber wood and rawhide etc.

Use: There is right way and wrong way to use a hammer, regardless of the type. Always grips the hammer close to the end of the handle to increase leverage for a harder blow. Whenever possible strike the object squarely with the full face of the head to prevent damage the hammer face and to the object. Never strike a steel hammer on a machined surface or another hammer.

Fastening tools - Screwdriver - Hand wrench Screwdriver is used to install and remove threaded fasteners. Common types of screwdrivers are: - Flat head screwdriver - Phillips-head or cross head screwdriver - Offset screwdriver. Use: slot. The worker should select a tip size that is almost the width and length of the screw 2. The tip of the blade should be flat so that it can be held firmly against the bottom of the slot. Do not use a screwdriver as chisel. Use: 1.

Be sure that wrench correctly fits the nut or bolt. Always pulls in a wrench, dont push. If you must push, use the base of your palm and keep your hand open. Never use a pipe piece on a wrench. Never hammer on a wrench. Never use a hammer to tighten or loosen a vise, the weight of the body is sufficient.

Always uses a vise big enough for the parts or type of work to be held. However, they are handy for fastening materials together, as while welding and grinding.

Clamps are two types: - C-clamp. There are many types of pliers used in the workshop. Also be used for spreading the end of the cotter pins. Never force them beyond their gripping capacity. One jaw is adjustable to fit different sizes of nuts, bolt heads and pipes or rod.

Cutting and shaping hand tools Sawing tools Hacksaw Hacksaw is mainly used for cutting of splitting metallic piece into parts. Main parts of hacksaw are frame and blade. Solid 2. Adjustable frame. Hacksaw Blade should be fastened sufficiently tight. Place blade in frame so teeth point away from handle. At first cutting should start with small number of teeth.

Use sufficient pressure only on the forward stroke. Types of chisel: - Flat cold chisel; for general use. Use: - Always wears safety glasses while using a chisel.

Filling tools Files are extensively used to 1. Alter the shape of a part 2. Reduce the size. Remove edges. Finish surfaces that have tool marks. Normally push the file across the work. Never hammer on a file. Clean the file with a brush. Do not throw files around on the bench or into a drawer. Classification of punch: Starting punch.

Pin punch. Center punch: Is used to make the location of hole that is to be drilled. The center punch has 60 to 90 included angels. Aligns punch. Prick punch: Is smaller than center punch and usually used for layout marking purpose. The included angle is 30 to Measuring and layout tools: One of the most important steps in the manufacture of any products is accurate measurement. The progress of mankind through the ages has been directly connected with the development of better ways to measure.

There are many measuring and layout tools which are given below. Scale Steel scale: The most common measuring tool is a steel rule. Steel rules are measuring tools that depend largely on the users ability to read and line up the subdivisions mark on the rule.

They are not intended for accuracy on terms of thousands of an inch. Use: - Flatting a square on a work plane. Calipers Outside Calipers A rule may be used to measure the diameter of the end of a bar.

But it is not practical to measure diameter in between the ends as in the case of the detail in figure. Use: - Used to measure outside diameter Inside Calipers: To measure the diameter of a whole, open the calipers to the approximate size, then hold one leg of the calipers against the whole and turn the adjusting screw until the other just touches the opposite side.

Use: - Used to measure inside diameters Dividers: A divider consists of a pair of steel legs adjusted by a screw and nut and held together by a circular spring at one end, in which is inserted a handle. Use: To scribe line on metal Discussion Hands tools play an important operation on operating machine.

As an engineer we have to study this hand tools for the maintenance of the machine. A good skill on operating this hand tools will help us to take better step for analyzing and solving the systems error. Its our lacking for not having sufficient hand tools for us to know about them in the lab. But its our pleasure that lab operator is helpful to know about the tools. More-over we have to be enough cautious to handle the tools.

Tools being used while we are working on a machine or at a bench should be kept within the reach of the operator and placed so they will not fall on the floor. Conclusion A skilled operator can operate the tools whenever he tries to solve the machines fault.

So the study of hand tools will help us to solve the problem of machine. Its also necessary to know the actual name of the hand tools as well the local name. Ans: A hammer handle should be near the grip because fall leverage may be gained when using hammer. A solid blow is difficult to deliver when handle it too close.

The amount of force which the hammer strikes depends in part on the length of the handle and the weight to get the more advantage it should be gripped near the end. What does draw filling mean? Ans: Drawing is the operation of pushing and pulling a file sidewise across the work. For the purpose the file should be held firmly across one inch from the centre. Files are normally made to a longitudinal forward strokes , so a file with a shoot not be used for draw filling because of the possibility of scratching or scoring the work instead of shaving or shearing off the metal smoothly.

When it is properly done, draw filling produces a surface with a finer finish. What does "mushroom head on a chisel mean?

Exp-01-Study of Different Types of Hand Tools Used in Workshop

A tool is an object that can extend an individual's ability to modify features of the surrounding environment. Although many animals use simple tools , only human beings, whose use of stone tools dates back hundreds of millennia , have been observed using tools to make other tools. The set of tools required to perform different tasks that are part of the same activity is called gear or equipment. While one may apply the term tool loosely to many things that are means to an end e. If repeated use wears part of the tool down like a knife blade , it may be possible to restore it; if it wears the tool out or breaks it, the tool must be replaced.

Proper Use of Tools and Other Common Equipment

Use short strokes when cutting. Carry hand tools on your shoulder for support. When it comes to discussing some of the most importantthings that we use in our daily lives, hand tools are rarely brought up in theconversation.

17 Tools You May Need for Electrical Projects

Like any other repair or improvement project around the house, electrical work requires tools.

Insurance Resources

This post was contributed by a community member. The views expressed here are the author's own. By definition, hand tools refer to any type of tool that can be used by hand and does not require any motor or electrical power. This includes an array of tools such as hammers, wrenches, cutters, clamps, and so much more. The leading hand tools manufacturers in India sell a wide range of hand tools in the market.

The efficient use of machines, computers, and automation has enabled modern manufacturing industry to reach such an advanced state, that the need for hand tools has been almost eliminated. However, hand tools are still required for many purposes in industry, like the making of prototypes and models , and for the repair and maintenance of equipment. Some of the most common hand tools are shown in Fig 3. Unable to display preview. Download preview PDF. Skip to main content. This service is more advanced with JavaScript available.

Everyone has a pair of pliers somewhere in their home. As one of the most useful tools out there, it might surprise you at just how many different types there are and how versatile pliers can be. There are only a few parts to pliers, but all of them have an important function. In a few cases, the parts may vary to complete a specific function.

 Кого? - спросил он чуть осипшим голосом. - Кармен.

3 Response
  1. Psychtogetpe

    The technique of fitting parts together after fabrication or manufacturing the parts is called assembly work.

  2. Glamecedzwis1986

    One of the largest types of chisel is the slick, used in timber frame construction and wooden shipbuilding. According to their function there are many names given to.

  3. Nadina A.

    use and care of various hand tools and measuring tools by correctly answering questions on the following: the types and uses of a large number of hand tools.

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