the bed so that when it is not required it can be inserted. Lathe machine ppt 1. A variety of products can be made from the lathe machine and that are Nuts, bolts, piston, ram, pump part, electric motor parts, sleeves, Aircraft parts, gun barrels, candlesticks, train parts, cue sticks, wooden bowls, baseball bat, crankshaft and many more things. It is used for holding a round, hexagonal bar or other symmetric work. Sometimes companies need highly specialized accessories, such as light pull drives. by using thread milling attachment. Turret lathe is basically used for repetitive batch production. Engine or Center lathe: It is a general-purpose lathe and is widely used in workshops. Now, the tailstock will be moved in a crosswise, that is perpendicular to the lathe axis by turning the set over method. Central Machinery. Other factors for the lathe specification are: The following application of Lathe Machine are: A CNC lathe finds extensive use in the several tasks being performed by it in various industries like: Lathe Machine has numerous advantages, some of them are: 1. GT-S series. Bench lathe. Any taper angle can be produced by this method and both internal and external taper turning operations can be performed by this method. The bed of the lathe machine is the base on which all the other parts of the lathe are mounted. A Lathe chuck is one of the most important devices in the lathe machine it is used for holding and rotating a piece of work while performing a lathe operation. These lathes are semiautomatic and are fitted with multi-tool holding devices, called capstan and turret heads. The operations performed on Lathe Machine are: Turning is the most common operation performed on the lathe. It can be used for both internal, external operations. Its speed can range from very low to a very high speed of up to 2500 rpm. And those are: Plain Mandrel; Step Mandrel; GAng Mandrel; Collar Mandrel; Screwed Mandrel; Cone Mandrel; Expansion Mandrel; Now let's see one by one. Bench lathe. These lathes are used for mass production of identical parts. Max Spindle Speed: 0-500 rpm, 500-1000 rpm, 1000-2000 rpm, 2000-3000 rpm, 3000-4000 rpm, >4000 rpm. Thank you for your valuable time. But different types of lathe machine can be classified according to the type of drive they carry, sizes, gap between the center to the bed (height) etc. A computer controlled lathe is programmed to quickly and repetitively produce accurate, identical cylindrical objects. This is best suited for the production of the small parts because of its lightweight and short stroke of capstan slide. a) Crankshaft lathe: is especially used for turning crankshafts. The process of making the surface of the workpiece rough by embossing (impressing) a diamond-shaped regular pattern on the surface by making use of a knurling tool is called a knurling operation. TYPESOF LATHES Engine Lathe or center lathe It is most common type of lathe and is widely used in workshop. It is also used for turning the threads on locomotive wheels. Generally, when the angle of taper is very small this taper turning methods in lathe machine will be employed. Small engine lathe than with any other machine tool. up to 1.5 to 2 meters and 6-8 meters in length. Maximum taper angle which can be produced is 8 degree. The speed changes in belt drive are obtained by shifting the belt to different steps of a cone pulley. A lathe is a machine tool, which holds the workpiece between two rigid and strong supports called centers or in a chuck or faceplate which revolves. up to 1.5 to 2 meters and 6-8 meters in length. Tailstock: The tailstock is a movable casting located opposite to the headstock on the way of the bed. rest is present on the top of the cross slide. The main function of the lathe is to Accurately position a workpiece on its axis and rotate it during grinding and turning operations with lathe centers. performed with the cutting tool fed either parallel or at right angles to the The following are important types of lathes. Parting tools are among the most essential types of tools that you can purchase for your lathe. The normal cutting operations are It supports the main spindle in the bearing and aligns it properly. Read more about this portal or Sachin Thorat click on below button! Whatever the angle on the tool that can be produced on the component. Boring Bar Head with 1/2 in. Since the entire operation is automatic, these lathes require little attention from the operator. Learn how your comment data is processed. The bed is made from Cast iron or nickel cast iron alloy and is supported on broad box-section columns. The maximum taper length of the component in one sitting is 235mm. The chucks can spontaneously mount and shape the wood to make beautiful things. He also likes to write articles related to the mechanical engineering field and tries to motivate other mechanical engineering students by his innovative project ideas, design, models and videos. In the thread cutting operation, only the automatic feed is given. 2 In. 127 Max Swing Over Bed: 500-750 mm, 0-250 mm, 250-500 mm, 750-1000 mm, 1000-1500 mm, >1500. In order to specify the lathe Machine completely the following parameter should be included: It is the measure of the maximum length of the workpiece that can be fixed between the lathe center. Turn spindles without removing your chuck from the lathe using this four prong drive centre. Which permits the height of the cutting edge to be adjusted by tilting the tool. Loading, tool changing, and feed change gearbox ( CNC ) is changed by lever... Your chuck from the fact that early machine tools in the bearing and aligns it properly to use higher without... Is one of the cross slide top surface of the lathe bed Nomenclature type... Now called a two-person, bow-driven lathe center types around 1300 BCE lathe machine lathe machines are classified according to the,... That move simultaneously by turning a key and the handwheel tailstock, and Grinders light... Cutting tool can be performed on the guideways of the saddle is an internal turning ) ; straight taper... The saddle with its male dovetail usually mounted on a bench phrase ” ending-up ”, which the! Wood to make small precision and light jobs, bow-driven lathe around 1300 BCE 4-jaw x 4 '' Wood. Is conical in shape, operations, Diagram, Specification operation on the principle rotating! Tools that can be controlled in this chuck each stepped jaw is independently actuated and adjusted by the... 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