Thread cutting mechanism. Stuck chucks. Some important parts of a lathe are listed below. The top of the bed has two longitudinal guideways. The principal part of a lathe are labeled below figures. Lathe Machine multiple choice questions and answers on Lathe Machine MCQ questions quiz on Lathe Machine questions. Definition of Lathe Machine. Read Also about Lathe Machine: Lathe Machine: Parts, Types, Accessories, Attachments; 7 Types Of Lathe Machine Chucks with [Images] Cutting speed, Feed, Depth of cut, Machining time in lathe machine; 14 Different Types of Lathe Cutting Tools ; 1. Carriage … A combination of electric chuck and brake is provided for starting, stopping, or jogging the work(1). DIAGRAM OF LATHE MACHINE. Bed 2. Combination lathe / 3-in-1 machine. backgears. Feed Mechanism 6. Many lathe operators keep a supply of cutting tools and other various lathe parts, such as chuck keys, center points and drive collars, on hand in case damage occurs to the primary part. Quick-change toolposts. Principle parts of a lathe 7 6. The many components of the typical lathe and the vast assortment of lathe parts create a complex maintenance schedule to ensure peak performance from the machine. It is present at the left hand side of the lathe. Compound Rest: Mounted to the cross slide, it pivots around the tool post. Lead screw. It can be moved along the bed either towards or away from the headstock. The bed of Lathe acts as the base on which the different fixed and operations parts of the Lathe are mounted. Cross-slide handwheel. Carriage & Tool Post 5. In this article I will try to discuss all the functions of the parts in details. The bed is made... Headstock:. Tool Post: To mount tool holders in which the cutting bits are clamped. Head stock 3. All are mounted on the machine in which headstock and tailstock are mounted in the longitudinal direction of machine with gear selector, rpm selector, feed selector in the former and barrel in the later one. In this article I will try to discuss all the functions of the carriage, and uses a handwheel to feed tools into the workpiece. If someone wants to start working in manufacturing industries, they must have to know how to operate a lathe machine. Now understand bit about all these parts. Lathe beds are usually made as single piece casting of semi-steel (i.e., toughened cast iron),with the addition of small quantity of steel scrap to the cast iron during melting; the material ‘cast iron’ facilitating an easy sliding action. Chip pan is used to collect the chips that are produced during the lathe operation. • Chuck: allows the mounting of difficult workpieces that are not round, square or triangular. 1. The workpiece rotates against a stationary tool bit, such as a blade or drill bit. In a lathe machine, the work piece is rotate against the tool. Tailstock 4. carriage is a part of lathe which means to be support cutting tool to give feed to cutting tool and control cutting action. Operations Done by Holding Workpiece Between Centres Turning: It is the most common type of operation in all lathe machine operations. Bed. The lathe bed is a mounting and aligning surface for the other machine components. Main Parts of a LATHE Lathe – Turning Machine 21. Headstock 9 8. Generating changewheel charts. Lathe machine Figure 4 3. Lathe – Turning Machine LATHE BED Head Stock … These guideways are made with precision to ensure the accurate alignment of other parts. Types of lathe 5 4. Cross Slide: The cross slide allows for tool travel 90 degrees to the bed of the lathe. How the lathe works. Every individual part performs an important task in a lathe. Click on the picture for a better view of the picture. Support consisting of the movable part of a lathe that slides along the bed in alignment with the headstock and is locked into position to support the free end of the workpiece. Feed mechanism 6. OUTLINE OF PRESENTATION 1. The machine tool that ‘s used to remove unwanted metals from the work piece to give the desired shape and size so called ” Lathe machine “. The main function of the headstock is to transmit power... Tailstock:. It is used to get the required shape and size of the job. Parts of Lathe Machine are Bed, Legs, Headstock, apron, Tailstock, Spindle, Saddle, Tool Post, Carriage, Cross-slide, Tool Rest. Explanation of the standard components of most lathes: • Bed: ... (independent) to clamp part being machined. Find out the parts and read about the functionality. It can be moved along the bed either towards or away from the head stock. shows the different parts of engine lathe or central lathe. The main parts of a lathe machine are: Bed; Headstock; Tailstock; Carriage; Legs; Feed mechanism; Bed of a lathe . Among other things, it can be used to cut, sand and turn workpieces. d) Compound rest. The direction of motion of tool is called feed. The parts of the carriage are: a) Saddle. It has several parts to support, move and control the cutting tool. Figure 3 Lathe carriage parts : Thread Chasing Dial: The thread chasing dial is used for threading. The headstock is present on the left end of the bed. The major parts of lathe machine are given as under: 1. e) Compound slide. Steady Rest: Clamped to the lathe carriage, it uses adjustable fingers to bear against the workpiece opposite the cutting tool to prevent deflection. The mechanism of the carriage is being driven by the feedscrew and also the shaft of the machine itself. 01.Headstock. Introduction 3 2. A combination lathe, often known as a 3-in-1 machine, introduces drilling or milling operations into the design of the lathe. Lathe machine manufacturing is difficult, so first we make pa rts of the lathe machine, then we assemble all part of the machine. The bed of a lathe machine is the base on which all other parts of lathe are mounted. tumble reverse. The bed must be bolted to a base to provide a rigid and stable platform. The dial tells you when to engage the half nut lever so the tool follows the same thread groove every time. The part of the lathe on the carriage that allows for angular adjustment of the cutting tool. lathe bed. Carriage 5. A lathe is an essential machine used in the manufacturing industry. The feed and leadscrew of the machine — those two parts help the gears of the CNC lathe machine. The bed is the foundation of the lathe machine on which all the other major parts lie. Controls on the side of the head stock allow selection of any one of many speeds, which are arranged in logical geometric progression. Bed 8 7. Screwcutting. b) Apron. Bed. Main Parts of a LATHE 1. The metal lathe is divided into four major components: the bed, the carriage, the tailstock and the head stock. Tailstock. Viewed from the operating position in front of the machine, the headstock is mounted on the left end of the bed and the tailstock on the right. Functions of lathe Machine. Working principle 6 5. Bed; Headstock; Spindle; Tailstock; Carriage. Tailstock 10 9. Fitting a chuck Spindle nose fittings, backplates, Oiling . Uses. Hand Wheel: It is the wheel which is operated by hand to move cross slide, carriage, tailstock and other parts which has hand wheel. f) Tool post . Now come to its major mounting parts like headstock, tailstock, carriage, compound rest, cross slide, lead screw, feed rod etc. Saddle; Apron ; Cross-slide; Compound rest; Compound slide; Tool post; Feed mechanism; Leadscrew; Feed rod; Thread cutting mechanism; Bed. Lathe machine is a machine that holds the workpiece on a chuck and tool on a toolpost, the lathe machine rotates the workpiece about an axis to perform different operations such as turning, facing, chamfering, thread cutting, knurling, drilling, and more with tools that are applied to the workpiece to design an object with symmetry about that axis. The tailstock can also slide on these guideways. Head Stock 3. countershafts. The lathe accessories are used for holding and supporting the work or for holding the cutting the various lathe accessories are discussed as follows A general purpose machine tool is basically comprised of power drive and kinematic system for the essential formative and auxiliary tool – work motions and a rigid body or structure to accommodate all of the above. The thread chasing dial works off the leadscrew and is used as a tracking device. The function of lathe is to remove metal from a piece of work to give it a desired shape and size. This can avoid shutdowns and unfinished projects. Thread Cutting Mechanism Lathe – Turning Machine 23. Bed forms the base or the platform on which the different fixed and operations parts of the Lathe are mounted. Operates the Cross-slide across (or perpendicular to) the bed. c) Cross-slide. Lathe Machine Parts: Bed:. • Tailstock: Fits on the inner ways of the bed and can slide towards any position the headstock to fit the length of the work piece. Lathe Bed & Guide ways 2. Carriage is located between the head stock and tail stock on the lathe bed guide ways. These machines have a milling column rising up above the lathe bed, and they utilize the carriage and topslide as the X and Y axes for the milling column. Parts of Turning Machine. Main parts of lathe machine. It is proven that the feedcrew is the part of the machine that drive the gearbox to change and also the gears. Each of these major components includes different subparts with distinctive purpose for machining. 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