Later sections will refer to skills discussed in previous sections. To perform different lathe machine operations on a lathe, the workpiece may be supported and driven by any one of the following methods. A lathe machine consists of the following operation. I have made this report file on the topic lathe machine have tried my best to elucidate all the relevant detail to the topic to be included in the report. Step turning a step turning operation is illustrated in the. When finished, turn off the lathe right away wait until rotating chuck has completely stopped before handling work piece clean machine after use and dispose of debris see waste management procedures. Operating a cnc lathe can be done with a keen sense of detail by making sure that all standard procedures are followed thoroughly. Facing operation is for making the ends of the job to produce a smooth flat surface with the axis of operation or a certain length of a job. Types of lathes lathe figure 71 is ideally suited for this purpose.
Jun 28, 2017 lathe was actually the first machine tool which came into being as a useful machine for metal cutting. A complete guide to the machine and its accessories 2001. Workpiece held on a mandrel which is supported between centres and driven by carriers and catch plates. Lathe machine operation free download as powerpoint presentation. A specific machine tool is required for taking care of each machining operation. My efforts and wholehearted cocorporation of each and everyone has ended on a successful note. A step turning operation is performed using a wide tool after the plain turning operation. The work is held in between the lathe centers or with the chuck and the tool is held at the height of the axis of the work. Introduction lathe machine ppt free download as powerpoint presentation. Best practices for metal lathe turning smithy granite 3in. Conclusion the objective of turning and milling is to remove material from a work piece to obtain a specific shape and improve surface finish.
Thread cutting on the lathe is a process that produces a helical ridge of uniform section on the workpiece. Precision precision tool room lathes are also known as standard manufacturing lathes and are used for all lathe operations, such as turning, boring, drilling, reaming, producing screw threads, taper turning, knurling, and radius forming, and can be adapted for special milling operations with the appropriate fixture. Pdf lathe machine operation lathe operations od1645 lesson 1task 1. This is performed by taking successive cuts with a threading toolbit the same shape as the thread form required. Excellent for finish work the only way to file a barrel in a lathe p. Join the grabcad community today to gain access and download. Hold the job on headstock spindle using three or fourjaw chuck. Heavy and stiff, with about twice as much slant on the teeth as a standard file. Lathe machine seminar ppt with pdf report study mafia.
While in the beginning i have tried to give a general view about this topic. The operation involves feeding the tool perpendicular to the axis of rotation of the work piece. Facing and turning operation on lathe machine youtube. A trained lathes can be divided into three types for easy identification. After i use the lathe file and the 2nd cut file i finish with 220 grit strips on up to 400 in one of my lathes.
Introduction lathe machine ppt transmission mechanics tools. Before these operations can be done, a thorough knowledge of the variable factors of lathe speeds, feeds, and depth of cut must be understood. The cutting tool is feed into the work piece, which rotates about its own axis, causing the work piece to be formed to the desired shape. Warn others if necessary, switch on lathe and supply of coolant. Manual of lathe operation and machinists tables atlas press company engineering department on. Machining operation in which work is fed past a rotating tool with multiple cutting edges axis of tool rotation is perpendicular to feed direction creates a planar surface. If you maintain a clean work environment, make sure that tools are sharp and that parts are completed per the blueprints, you should not come across any problems while operating a cnc lathe. This haas cnc lathe manual contains multiple cnc programming examples in easy to understand way.
Facing operation carried out on lathe machine axibook. Haas cnc lathe manual free download this is not only a haas operators manual but more than that. Facing operations leave a rather sharp edge on the end of the workpiece. The sections of this manual are arranged in the order you must understand information to successfully complete a lathe operation. This file has a single cut, meaning the teeth of the file are cut diagonally in one direction across the length of the file. Lathe safety and operation notice rules and guidelines listed on this page are only reminders. The 8 lathe file is an 8 inch flat metal file tool that is perfect for finish lathe work, working well with both hard and soft metals. Turning a machining process in which a singlepoint tool remove material from the surface of a rotating work piece. This is done with a tool that applies a force on the material. Milling machine types peripheral milling slab, slotting, side and straddle milling up milling conventional & down milling climb facing milling conventional face, partial face, end, profile, pocket & contour millings. 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.
The general operations done with the lathe are grooving, turning, cutting, sanding and etc. Jul 29, 2017 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. A machine operation in which a work part is fed past a rotating cylindrical tool with multiple edges. Use the speedchange levers to shift the sliding gears on the drive shaft and the intermediate shaft to line up the gears in different combinations. May 15, 2010 this video will show you the best practices for metal lathe turning smithy granite 3in1 this video starts by providing some cardinal rules of machining. Operate lathe without all protective equipment in place. Instructions to learn how to use a lathe the lathe is a machine tool used principally for shaping pieces of metal and sometimes wood or other materials by causing the workpiece to be held and rotated by the lathe.
Lathe operations od1645 lesson 1task 1 sliding gap feature, this lathe is similar to the floormounted engine lathe. These factors differ for each lathe operation, and failure to use these factors properly will result in machine failure or work damage. The following are some of the important parts of lathe machine. The turret lathe is a lathe used extensively for the highspeed production of duplicate parts. Persons must read lab safety manual, machine manual, and be trained by wrl manager. Standard operation procedure for a cnc lathe career trend. Machining operations are classified into 3 principle processes and they are turning, drilling and milling. Facing is used to cut work to the desired length and to produce a surface from which accurate measurements may be taken. There are other operations too that fall in miscellaneous categories such as boring, sawing, shaping, and broaching.
Each lathe operation has got its own factors that need to be considered before doing the work. I cover the bed but george is right, a barrel spinner and belt sander is a much better way. A step turning operation is illustrated in the figure. Its a good idea to smooth this edge down with a file to give it a nice champfer and to avoid cutting yourself on it. Job steps ensure the emergency stop is operational. Notice lathe operation must be approved by supervisor for every use. Facing is the operation of machining the ends of a piece of work to produce a flat surface square with the axis. Turning work is very dangerous when done by inexperienced persons. During operation, keep hands a safe distance away and only use adjustment tools on lathe to maneuver work piece. 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. Lathe operations od1645 lesson 1task 1 headstock transmit power from the drive shaft to the spindle through an intermediate shaft. Facing facing is machining the ends and shoulders of a piece of stock smooth. Workpiece held between centres and tool driven by carriers and catch plates.
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