Lathe working principle pdf

Lathe is one of the most versatile and widely used machine tools all over the world. The workpiece is held between two rigid and strong supports called a center or in a chuck or in faceplate which revolves. Lathe machine types, classification, operation in pdf. Cnc milling is again classified into horizontal and vertical machining centers. Working principle of milling machining operation adjustable working table of milling machine will hold the workpiece and movement of adjustable working table will govern the feeding of workpiece against rotating milling cutter. What is the working principle of a cnc, and what are the. The function of a lathe is to remove metal from a piece of work to give it a desired shape and size. It is the most simplest method in which one person would turn the wood work piece with a rope and meanwhile the other person would use the sharp tool to cut the shapes in the wood. In the last class, we had discussed about the milling machine and its operations in a detialed way whereas in todays article, we will discuss about the concepts of drilling machine and radial drilling machine along with its parts, working principle etc. Lathe tool dynamo meter is a equipment which used for observing the amount of load acting on the tool while operation. Download machining process pdf at the end of the article. May 05, 2018 the origin of lathe started around th century when the egyptians first developed a two person lathe. In certain machines,the braich is held stationary and the workpiece translates over the broach. Apr 10, 2018 4b engineers whtsapp group for 2020,2021,2022 pass out students 4b engineers whtsapp group 2019 pass out stu.

It is frequently convenient to reduce the lathe operation to a twodimensional process. The working principle of a grinding machine is quite easier to understand in a grinding machine, there is an electric motor which supplies the motion power to the grinding wheel with the help of a belt and pulley so when we start the electric motor the motor rotates at a certain rpm 15015000 rpm, it may change according to the types of grinding. Unit ii lathe machine college of engineering, pune. Pdf introduction to machine and machine tools researchgate. Lathe operations od1645 lesson 1task 1 sliding gap feature, this lathe is similar to the floormounted engine lathe. Lathe machines are used in metalworking, woodturning, metal spinning, thermal spraying, glass working, and parts reclamation the various other operations that you can perform with the help of lathe machine can include sanding, cutting, knurling. Definition, parts, working principle, advantages, disadvantages, and applications pdf. Concerning the presence of the number of axis in a machine, there are 3 axes, 4 axes, 5 axis and multiaxis cnc machines can be found. Lathe machine principles free download as word doc. Aug 02, 2016 working principle the lathe is a machine tool which holds the workpiece between two rigid and strong supports called centers or in a chuck or face plate which revolves. It is evident that in order to measure the strains of the order of 1 inin.

Earlier cnc machines were applied as general conventional machines like lathe, milling machines, etc. Operate the lathe at slower speeds than normal when working in cold environments. Lathe machine principles machining woodworking scribd. For broaching no separate feed is required as the feeding action is in built in the teeth. Lathe definition lathe is a machine, which removes the metal from a piece of work to the required shape and size. Working principle of lathe tool dynamometer answers. The lathe is a machine tool used principally for shaping articles of metal and sometimes wood or. What is a cnc machine and what is its working principle. Working principle of plasma arc machining the principle of plasma arc machining is shown in the figure. Apr 19, 2018 lathe machine is a machine that we used for cutting and other related operations. Jun 28, 2017 lathe was actually the first machine tool which came into being as a useful machine for metal cutting. The cutting instrument is feed into the workpiece which rotates about its own axis and with its help we can make the workpiece in a required shape that we need or want. We are now capable of developing most complex of parts and products with absolute perfection, and with minimum of effort. Download engine lathe working principle pdf book pdf free download link or read online here in pdf.

Toolroom lathe and speed lathe turret lathe the tailstock is replaced with a turret chucking machines no tailstock. The lathe machine works on basic principle that when the work piece rotate at a constant speed and a tool is introduce between its rotation, it cut the metal. The normal cutting operations are performed with the cutting tool fed either parallel or at right angles to. The engine lathe is intended for general purpose lathe work and is the usual lathe found in the machine shop. Lathe was actually the first machine tool which came into being as a useful machine for metal cutting. Lathe machines are used in metalworking, woodturning, metal spinning, thermal spraying, glass working, and parts reclamation. Cnc machine is an computer numerical controlled machine which executes tasks with help of an inbuilt computer which extracts an computer file based on the commands an.

Read online engine lathe working principle pdf book pdf free download link book now. The cutting tool is fed either parallel or at right angles to the work axis. The main function of a lathe is to remove metal from a job to give it the required shape and size. A lathe operates on the principle of a rotating workpiece and a fixed cutting tool. Jan 09, 2017 in broaching, the broach is pushed or pulled over a external flat surface of a stationary workpiece. In this article you will learn about different types of lathe machine such as wood lathe, engine lathe, tool room lathe, capstan and turret lathe etc. Construction of lathe machine a simple lathe comprises of a bed made of grey cast iron on which head stock, tail stock, carriage and other components of. Radial drilling machine, types, parts, working principle, mechanism pdf by mohammed shafi november 24, 2018 april 25, 2020 in the last class, we had discussed about the milling machine and its operations in a detialed way whereas in todays article, we will discuss about the concepts of drilling machine and radial drilling. The lathe is a machine tool which holds the workpiece between two rigid and strong supports.

Hi, cnc stands for computer numerical control or computerized numerical control. Principle and working of milling machine engineering tutorials. A lathe is a machine tool which is used to rotate a workpiece to perform various operations such as turning, facing, knurling, grooving etc. Pdf centre lathe notes1 milling machines ment243 studocu. Working principle and types of milling machine mechanical. Parts, working principle, advantages, disadvantages and applications pdf. A lathe works on the principle of rotating the workpiece and a fixed cutting tool. May 07, 2016 the lathe machine works on basic principle that when the work piece rotate at a constant speed and a tool is introduce between its rotation, it cut the metal. Larger machines have a machine control unit mcu which manages operations.

The engine lathe is intended for general purpose lathe work. This way parts with symmetry along their center axis can be manufactured. Safety all lathe operators must be constantly aware of the safety hazards that are associated with using the lathe and must know all safety precautions to avoid accidents and injuries. The various operations that it can perform include the following. Cnc machining plays a huge role in shaping todays advanced industrial development. Lathe machine is a mechanical device in which the workpiece is rotated against cutting tool for producing cylindrical forms in the metal, wood or any other machinable material. For broaching no separate feed is required as the feeding action is in built in the teeth form. Hotchkiss driveparts, working principle, advantages, disadvantages and applications pdf overdrive in automobile.

The cutting tool is held firmly and supported in a tool post which is then fed against the revolving work. In this article we explain lathe working principle, its types and then we answer some questions related to the lathe machine, we also try to explain the functions of this cutting and knurling tool. An engine lathe is the most basic and simplest form of the lathe. Lathe machine working principle the lathe is a machine tool which holds the workpiece between two rigid and strong supports called centers or in a chuck or face plate which revolves. Engine lathe working principle pdf pdf book manual free. Jun 07, 2016 in this video we are going to see the primary parts and working principle of lathe.

The lathe is a machine tool which holds the workpiece between two rigid and strong supports called centers or in a chuck or face plate which revolves. Lathe can be defined as a machine tool which holds the work between two rigid and strong supports, called centres, or in a chuck or face plate while the lathe revolves. Types of lathe machine mother of all machines may 5, 2018 may 5. Working principle the lathe machine is a machine which holds the work piece between two strong support that are termed as chucks. In broaching, the broach is pushed or pulled over a external flat surface of a stationary workpiece. External turning can be broken down into a number of basic operations. In internal broaching the broach is pushed or pulled through the hole in the stationary workpiece.

Construction, operation and tool layout in semiautomatic. Flat or curved surfaces of many shapes can be machined by milling with good finish and accuracy. Lathe machine is a machine that we used for cutting and other related operations. A lathe is anything that turns the work while you apply a tool to it. At trendingtop5 we strive to bring you the trending news you crave. Toolroom lathe and speed lathe turret lathe the tailstock is replaced with a turret chucking machines no tailstock automatic bar machine similar to chuck machine but with a collet a single and multiplespindle bar machines nc lathe. The detailed explanation of principle and construction of lathe was presented here. Sawing hacksawing, bandsawing, and circular sawing. Adjustable working table of milling machine will hold the workpiece and movement of adjustable working table will govern the feeding of workpiece against rotating milling cutter. A lathe machine is generally used in metalworking, metal spinning, woodturning, and glassworking. Oct, 2018 in cnc turning systems also known as lathes, the part is mounted on a rotating chuck and material is removed using stationary cutting tools. Tools may also be mounted in the tailstock for endworking operations. A lathe machine is a machine tool that is used to remove metals from a workpiece to give a desired shape and size.

Accessories mounted to headstock spindle are 34 jaw chuck, lathe center, and lathe dog, collect chuck, face plate, and magnetic chuck. It supports the main spindle in the bearings and aligns it properly. Oct 21, 2009 a milling machine may also be used for drilling, slotting, making a circular profile and gear cutting by having suitable attachments. All books are in clear copy here, and all files are secure so dont worry about it. Also, electric transducer works on the principle of wheatstone bridge circuit. Milling is defined as a machining process in which the removal of metal takes place due to the cutting action of a revolving cutter when the workpiece is fed against it.

Different designs are available and these are selected according to the performance required of the variable frequency drive. Working principle, advantages and disadvantages with application. The compound rest also holds the tool post, where tools are mounted. Lathe components engine lathes all have the same general functional parts, even though the specific location or shape of a certain part may differ from one manufacturer the bed is the foundation of the working parts of the lathe to another figure 73. Definition, introduction, parts, types, operations, and. A milling machine may also be used for drilling, slotting, making a circular profile and gear cutting by having suitable attachments.

Those are cnc milling, cnc lathe, cnc laser cutting, cnc plasma cutting, cnc router and cnc 3d printer. In this post, we will understand a lathe machines working principle, its types, and features, and the operations we can perform on it. The turret lathe is a lathe used extensively for the highspeed production of duplicate parts. What is the working principle of plasma arc machining.

Working principle of lathe machine engineering tutorials. In this article of lathe machine, we will learn almost everything about the lathe, like the definition, introduction, parts, specification, applications, operations, interview questions, and, working principle of the lathe machine. Turning and lathe basics atop the cross slide is the compound rest, which can be rotated to any angle and secured. Types of lathe machine mother of all machines mechanical. The lathe is a macine tool which holds the workpiece between two rigid and strong supports called centers or in a chuck or face plate which revolves. The lathe is a machine tool which holds the workpiece between two rigid and strong supports called centers or in a chuck or. The working of lathe machine is explained in later section of this article.

The cutting tool is rigidly held and supported in a. When an operator has finished working on the lathe, and before leaving the lathe for any reason, the power must be shut off and. Jul 29, 2017 it also houses necessary transmission mechanism for different speeds. Nov 09, 2016 a lathe is a machine tool which is used to rotate a workpiece to perform various operations such as turning, facing, knurling, grooving etc. Computer numerical control conventionally, an operator decides and adjusts various machines parameters like feed, depth of cut etc depending on type of job, and controls the slide movements by hand.

The workpiece is holding on the worktable of the machine. In this article youll learn about the milling machine, its working principle and parts of the milling machine. Disconnect the lathe from power source and follow oseh guideline ihs011, lockouttagout control of hazardous energy sources if making repairs or servicing. The cutting tool is rigidly held and supported in a tool post whi. Understanding the working principle of drilling machines posted on april 17, 2019 by yash shah a drilling machine, also known as a drill press, is used to cut holes into or through metal, wood or any other materials which has the ability to withstand high magnitude drilling forces. The cutting tool is rigidly held and supported in a tool post which is fed against the revolving work. The working principle of a grinding machine is quite easier to understand in a grinding machine, there is an electric motor which supplies the motion power to the grinding wheel with the help of a belt and pulley. Milling is defined as a machining process in which the removal of metal takes place due to the cutting action of a revolving cutter when the workpiece is fed against it parts of milling machine. Lathe machine seminar ppt with pdf report study mafia. Lathe is one of the most important machine tools in themetal working industry. The lathe is a machine tool used principally for shaping articles of metal.