Carriage Handwheel: The carriage handwheel is used to manually position and/or hand feed the carriage in the longitudinal or Z axis. Compound rest 8. The carriage of a lathe machine has several parts that serve to support, move and control the cutting tool. Bed – this part is the base of lathe machine, head-stock, tail-stock and carriage are located at the top of the bed. The main parts of … A lathe operates on the principle of a rotating workpiece and a fixed cutting tool. 1 Comment. Tail-stock – the tail-stock is located at the right-hand end of the bed, which helps to support work piece on the other end. Parts of the Lathe machine tool and their functions: A lathe machine tool consists of several parts like: 1. It is also known as the father of all standard machine tools. May 14, 2020 That is why it is firmly secured to the floor by the foundation bolt. It is designed to be swiveled at any desired direction in the horizontal plane, making it suitable for turning angles and enables taper to be cut. For taper turning and facing cross feed is used for conventional turning carriage provides longitudinal feed. Lathe Basic Information Lathe Machine Projects For Mechanical Engineering college Students 7 Centre Lathe Machine Attachment that enhance Lathe Applications 10 Types Of Milling Machine accessories and Attachments Thread Cutting on Lathe – Lathe Machine Operations Major Shaping Machine parts and its Functions "SS" -sliding and surfacing i.e. Cross-slide 7. Apron and Carriage Carriage works as a conjunction between Tailstock and Headstock`s tool post movement in a different way such as, horizontal or vertical. Functions of lathe Machine The main function of Lathe is to remove excess material in the form of chips by rotating the work piece against a stationary cutting tool. Ways: Ways are the guide rails in through which different parts of the lathe machine moves. Tool post Carriage 5. I would lik... Josphine Pandola: I like the helpful information you provide in your articles. This is accomplished by holding the work securely and rigidly on the machine and then turning it against … Lathe bed is secured rigidly over cabinet leg and end leg and all other parts are fitted on it. Lathe bed is made of high grade special cast iron having high vibration damping qualities. The lathe carriage serves the purpose of supporting, guiding and feeding the tool against the job during the operation of the lathe. Tailstock 4. It has a headstock, tailstock and carriage. It runs through the outer ways. The lathe bed forms the base of the machine, the headstock and tailstock are located at either end of the bed and the carriage rests over the lathe bed and slides over it. There is no power feed to the compound slide and it is hand operated. Today we’ll be looking in-depth on the major parts of lathe machine and their functions. Lead screw – a lead screw is also called power screw or a translation screw. Other components of lathe machine include; Leg – this part bears the entire weight of the machine tool and transfers it to the ground. A combination lathe, often known as a 3-in-1 machine, introduces drilling or milling operations into the design of the lathe. What is the use of revision level or number? Carriage contains some other parts . This axis is … Is this a paid subject matter or did you modify it yourself? The carriage travels along the machine’s bedways, parallel to the workpiece axis. Working Principle of Lathe Machine The function of a lathe is to remove metal from a piece of work to give it a desired shape and size. It consists of the saddle, cross slide, compound rest, top slide or tool post and the apron. Ways may be inner ways and outer ways. This problem contains three parts. If you must know, there are some basic parts learners must know and how they work. The removal of material from metal is called Machining. The bed should be rigid enough in order to prevent deflection and must be able to resist the operations. Lead Screw 11. Carriage: carriage holds the tools and provides movement of the tool in both cross and longitudinal directions. Carriage: carriage holds the tools and provides movement of the tool in … Saddle – the saddle is in H shaped casting and it has a V guide and a flat guide for mounting it on the lathe bed guideways. Metalworking lathes have a carriage (comprising a saddle and apron) topped with a cross-slide, which is a flat piece that sits crosswise on the bed and can be cranked at right angles to the bed. The important considerations in design of lathe bed are its rigidity, alignment and accuracy. These include ring and rocker tool post, quick change tool post and square-head tool post. Carriage: The carriage houses the saddle, the cross slide, and the apron. 12.2). These basic parts include: Head-stock – this part is permanently secured on the inner ways at the left-hand end of the lathe bed. Cross-slide – this part is mounted on the top of the saddle and its features a t-slot. Main spindle 14. with a power feed that slides the carriage along the bed and the cross slide across it. What function does a lathe carriage have? A lathe is a machine, which removes the metal from a piece of work to the required shape and size. Pix: Narrow V-belts or V-profile belts are no longer considered to be optimal in term... Surelia industries: Thanks for explaining the proper specification of the lathe machine. Disadvantages – the lead screw, and the half nuts take extra wear and the fact that SOME lathes that have separate feed screws and lead screws allow you to set the rates separately, and almost ALL have the feed screw running much more slowly, so even if you have the lathe set for a fairly coarse thread, the feed screw is in a “somewhat useful” range. "BG" -BackGeared for slow speeds (see below) "BGSC" - BackGeared and screwcutting BED The bed of the lathe provides the foundation for the whole machine and holds the headstock, tailstock and carriage in alignment. Headstock, Tailstock, chucks , beds and guide ways , cross slide, carriage etc, Feed rod – a feed rod is used to transfer the carriage from the left side to the right side and from right size to left size. Lead screw is used for thread cutting operation. I’m really inspired along with your writing abilities and also with the format to your blog. Your email address will not be published. Has a keyway, with two reversing pinion gears, either of which can be meshed with the mating bevel gear to forward or reverse the carriage using levers. Excess metal is removed as chips. Compound rest – the compound rest supports the tool post and cutting tool in different positions. Tail stock is located on the lathe inner ways at the right hand end of the bed. Save my name, email, and website in this browser for the next time I comment. Automobile, Machines Theory, Material Science Different Types of lathe machines have different sizes of bed. Saddle 6. Spindle Clutch Lever So far, we’ve put together the major things to know on lathe machine but in brief. Toolpost 9. It moves on left and right. It plays a perform role as it converts rotational motion to linear motion. The carriage will present between head stock and tail stock which will slides on the bed ways of the lathe bed. Designed by NAGARAJU, By Glenn McKechnie – Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=931394. Tool post – tool post is located at the topmost portion of the carriage. Top surface of bed is machined accurately. I will bookmark you... Steve Whirter: The position of the parting line determines the amount of force required to knoc... Susanna Litterer: Wow! During the travel of the lathe, the workpiece is rotated against the tool to achieve material removal and the direction of the tool movement becomes feed. The main parts of the lathe are: PCB BOX Numerical Control Programming By Using Master cam, Types of tool posts used in lathe machine, Types of instruments required for align tests on Machine tools. A lathe is a machine tool which is used to rotate a workpiece to perform various operations such as turning, facing, knurling, grooving etc., with the help of tools that are applied to the workpiece. In this article functions of the basic lathe machine parts are described. Feed rod 12. what is the function of a motor on a lathe machine ... carriage is a part of lathe which means to be support cutting tool to give feed to cutting tool and control cutting action. Apron 10. Another feature a lathe bed must carry is to be able to resist vibration. Sitting atop the cross slide is usually another slide called a compound rest, which provides 2 additional axes of motion, rotary and linear. It holds a tool for performing operations such as drilling, tapping and reaming, etc… The main function of the carriage is to position the tool along the lathe bed. The main function of the lathe is to remove the material from the workpiece and make the workpiece the desired shape and size. During the travel of the lathe, the work piece is rotated against the tool to achieve material removal and the direction of tool movement becomes feed. … Bed – this part is the base of lathe machine, head-stock, tail-stock and carriage are located at the top of the bed. it firmly holds the workpiece that the force from the cutting tool can’t overpower. Anyway stay up the nice high quality writing, it is uncommon to peer a nice blog like this one these days. The function of Lathe is to remove the metal in the form of chips from a piece of work by mounting the same rigidly on a machine spindle and revolving at the required speed and the cutting tool is fed against the work either longitudinally or crosswise to make the work to the required shape and size. Ways : Ways are the guide rails in through which different parts of the lathe machine moves. It comprises essentially a hollow spindle and for driving and altering the spindle speed. There were other modifications of the lathe machine that were developed in different time periods. Chuck 13. Required fields are marked *. The carriage is consists of following parts. After setting the compound slide is locked solid with its base. 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. The main function of the lathe is to remove the material from the work piece and make the work piece the desired shape and size. Metal and wood works are shaped in the lathe. It is used to hold various tools and it of three types. It is used as mounting and for the position of tool post. Combination lathe / 3-in-1 machine. © Copyright 2019, All Rights Reserved | Studentlesson, The operations performed on milling machine, Everything you need to know about drilling machine, Working of drilling machine on wood & metal. This article is about the general description of how the lathe machine functions and how its design evolved over the years. Chuck – the chuck securely holds the workpiece as it res toward the cutting tools. Legs function is to take the pressure of the machine, yet the Lead screw is used to ploy carriage during the time of threading. It is used for the precise movement of the carriage and other mounted parts. It is used for the precise movement of the carriage and other mounted parts. Find out the parts and read about the functionality – A lathe machine is used to design or shape a metal piece accurately. , What ... From which the main parts of lathe machine are made with reasons: 1) Bed 2) Headstock 3) Carriage 4) Tailstock 5) Feed and lead screws Posted 4 years ago. Lathe machines are probably the most common and important machine in a mechanical tool room. The feeding is done by the carriage and the depth of cut is provided by the cross slide. Carriage – the purpose of carriage on lathe is to support, guide and feed tools against the work piece during the process. It is of two types known as 3 jaw or self-centering chuck and 4 jaw or independent chuck. Tool movement on the engine lathe is accomplished using a combination of the lathe's "carriage", "cross slide", and "compound rest". The carriage even rests over the bed and slides over it. Headstock 2. Lathe cutting tools brought to the work may move in one or more directions. Lathe is one of the most important machine tools in the metal working industry. Different types of Lathe machine operation, Different types of lathe machine and their classification, Difference between drilling, boring and reaming, Different types of drilling machine operation, Everything you need to know about milling machine, different between welding and brazing joining process, Things you need to know about rivets and riveted joints, Everything you need to know about cam and follower, Everything you need to know about chain drive, Everything you need to know about machine press, Everything you need to know about hydraulic press, Everything you need to know about mechanical spring, Everything you need to know about keys and keyways (keyed joints), Understanding Hardness, strength, and toughness of materials, Everything you need to know about a vehicle electrical system. Lathe machine operations are turning operation, facing operation, taper turning operation, knurling operation, grooving operation with PDF download. 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