Feed mechanism of the lathe Threading lever. Chip Pan. 15. The ____ can be turned manually to move the carriage along the lathe bed. Cross slide handwheel. A lathe (/leɪð/) is a machine tool that rotates a workpiece about an axis of rotation to perform various operations such as cutting, sanding, knurling, drilling, deformation, facing, and turning, with tools that are applied to the workpiece to create an object with symmetry about that axis. They carry the entire load of the machine. Compound rest is Tool post: It carried machine tool. Carriage is Moves on the outer ways. Moves the cross slide on the short axis (X). It’s important that we identify the main components of a lathe before we explain how to use it – so you understand how each part works with each other. The left-hand leg houses the electric motor. over the bed and slides along the bed between head stock and tail stock. They can be secured to the ground using bolts for extra stability. A projecting pin from the catch plate or carrier fits into the slot provided in wither (anyone) of them. rest by dove tail joint. The carriage holding the tool on the tool post, also the carriage gives the tool post moves longitudinally or crosswise direction to give the desired feed on the job. The carriage of a lathe machine is assembled on the bed and you can move it parallel to the spindle axis manually or with power and lock at any position. 3. The cross slide hand wheel is graduated on its rim Carriage is located between the head stock and tail stock on the lathe bed guide ways. The legs are the support of the lathe machine. a convenient working position completed in a shorter time because the required The main function of the headstock is to transmit power to the different parts of the lathe. One of the oldest machine tools is a lathe machine. 14. It consists of a barrel that can move forward and backward. It can Designed by NAGARAJU, By Glenn McKechnie – Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=931394. Basic Understanding of Turning on Lathe Machine. 13. There is no power feed to the compound slide and it is hand operated. For accurate machining work, must satisfy the following conditions: Ø It should be sufficiently rigid to prevent deflection under tremendous cutting pressure transmitted through the tool-post and carriage to the lathe bed. Carriage A carriage is located between the head stock and tail stock on the lathe bed guide – ways. 2. Cross-slide is by tongue and groove joint. In 1797, an Englishman, Henry Maudslay, designed the first screw-cutting lathe which is the … Chip pan is used to collect the chips that are produced during the lathe operation. tools are preset. This is located It is used to hold the tools rigidly. It sits across the lathe ways and in front of the lathe bed. according to the type of operation and mounted on the tool post and adjusted to The compound slide handle is also equipped with a micrometer dial to assist in determining the depth of the cut. The legs are made up of cast iron. Carriage. A saddle is located over the carriage of a CNC lathe and it helps the cross slide to move backward of forward on a lathe machine. Carriage:The carriage is also a movable part which moves on bed ways. The carriage includes the apron, saddle, compound rest, cross slide, tool post, and the cutting tool. to enable to give known amount of feed as accurate as 0.05mm. Headstock: The headstock is present on the left end of the bed. Which of the following position of tumbler gear lever set will move carriage towards headstock of the lathe? Moves on the outer ways. A carriage rotates in either right or left direction and is made up of saddle, composite support, traverse slide and top glide. the bed guide ways. Cross slide. The cross slide moves the tool in the radial direction with respect to the workpiece. A cylindrical workpiece rotates in the Chuck of the machine and a single-point cutting tool applied on it to get any desired shape of that workpiece. It has saddle or the entire carriage can be moved by providing hand feed or automatic The carriage is located between the headstock and the tailstock and contains apron, saddle, compound rest, cross slide and tool post. It can be moved manually with a hand wheel or with power feed. Serves for the feed rod, used to move the carriage automatically during thread cutting. Tailstock:The tailstock is a moveable part and could be locked. Do not use sandpaper on the lathe, because the grit will damage the ways. Turn on the lathe and move the carriage close to the workpiece. Saddle: It is fitted over the bed and moves along the guideways. The main function of the carriage is to position the tool along the lathe bed. After setting the compound slide is locked solid with its base. ... Damage may result to a lathe that has been improperly set using the half nut, so never engage this lever without proper training and caution. Preet Lathe All Geared Lathe Machine is crafted to Excellency, offered with Superb Features & Tight Tolerances All Geared Lathe Machine in India. The carriage of a lathe machine has several parts that serve to support, move and control the cutting tool. situated on the saddle and slides on the dovetail guide ways at right angles to Catch plates are bolted to the nose of the head stock spindle. Bed feed. It is the wheel that is operated by hand to move the cross slide, carriage, tailstock and other parts that have handwheel. How to use scales in engineering drawing? The function of the carriage is to carry and move the cutting tool. Moves the carriage along the long axis (Z). a part which connects cross slide and compound slide. It connects the pair of bed guide ways like a bridge. Mounted on the carriage, and uses the handwheel to feed cutting tools into the workpiece. It can be moved along the bed either towards or away from the head stock. It is used to move the carriage from left to right and vice versa. 12.7): It is located between the headstock and the tailstock. The wheel operated by hand to move the cross slide, carriage, tailstock and other parts that have handwheel. The carriage is consists of following parts. Carriage. It carries the cross slide and tool post. Lathe Parts • Three Jaw Chuck Self centring Holds round and hexagonal work 3 jaws are connected Jaws are stamped 1,2 & 3 and fitted in order Chuck key used to open 17. It is present at the bottom of the lathe. Carriers are driving dogs attached to the end of the workpiece by a setscrew. It is fitted on the bed and slides along the bed guide ways and can be locked on the bed at any desired position by tightening the carriage lock screw. Tool post; Tool post screw; Rocker; Concave ring; Tool; Compound rest swivel base; Cross feed screw; Binder screw; Cross slide; Cross slide nut; Saddle; Cross slide and wheel; Pinion on cross feed screw Give it a little cross feed, and then slowly move the carriage longitudinally to the desired length. In lathe operations, the headstock spindle holds the job and it rotates with the same speed as the spindle. on top of the compound slide. Spindle Clutch Lever It has several parts to support, move and control the cutting tool. carriage are: It is an “H” This provides some relief for the operator as the movement of the carriage becomes power assisted. The scrapped or the ground guiding along with the sliding surfaces on the lathe bed ensure the accuracy of the alignment of these three units. Preet Lathe Udyog machines are manufactured to derive excellent result and available at a very competitive lathe machine price. several parts to support, move and control the cutting tool. Types of tool posts used in lathe machine, Types of instruments required for align tests on Machine tools. Carriers and catch plates are used to drive a workpiece when it is held between two centres. - The parts of centre lathe carriage are as follows: 1. The carriage houses the saddle, the cross slide, and the apron. There is a hand wheel for manual movement of the carriage. The parts of the carriage are: turning tapers. Some means are keys type generally provided for locking the saddle to prevent any movement when surfacing operations are carried out. PREET LATHE UDYOGKahnuwan Road Batala, Punjab - 143 505, IndiaEMAIL : info@preetlathe.com, WEBSITE : www.preetlathe.com, www.lathemachineprice.com, Telephone : +(91)-(1871)-246462Mobile : +(91)-9855784646 / 9878088824Fax : +(91)-(1871)-245452. Conclusion: As we discussed lathe has a … located between the head stock and tail stock on the lathe bed guide ways. 4. The carriage is the main means of controlling cutting tool movement. The carriage is also a movable part which moves on bed ways. It is like an inverted V. 4. Speed controller The feeding is done by the carriage and the depth of cut is provided by the cross slide. Grinding is performed in a lathe for finishing a job, sharpening a cutter, or sizing a workpiece after it has been hardened. In its simplest form the carriage holds the tool bit and moves it longitudinally (turning) or perpendicularly (facing) under the control of the operator. Hand Wheel. It can also be power driven. It has a circular base on which angular graduations It can be moved along the bed either towards or away from the head stock. shaped casting. The The tool post is situated on the compound slide. the bar that runs the length of the bed and meshes with a gear in the carriage to create longitudinal movement is the feed rack also located on the apron the _______ can be engaged directly to the lathes leadscrew to perform thread cutting operations Related Questions on Lathe Construction Objective Questions - Turner (Set-1) with Answers 17) Which among the following parts of a lathe should have high compressive strength ? It is mounted on the cross-slide The saddle is an H-shaped casting it fits over the bed and slides along the ways. a) Up b) Middle c) Down d) None of the mentioned Answer: a Explanation: Tumbler gear lever in up position moves the carriage towards the headstock in a lathe machine. 8. The operator moves the carriage manually via the handwheel (5a) or automatically by engaging the feed shaft with the carriage feed mechanism (5c). Automatic feed lever Parts of the Lathe: The _____ can be set for longitudinal feed or for cross-feed. The compound rest can be swiveled to the required angle while In the back of the carriage you have these 3 bolts (two from below one from above) but these only clamp the carriage down on the bed, the bolts in the front and back can be tightened maximum, when you then tighten the bolt in the middle you adjust how easily the carriage moves back n forth up until the point it cant move at all. It is used as mounting and for the position of tool post. Z axis handwheel. Lathe parts • Feed shaft Used to move the Carriage automatically • Lead screw Used when screw cutting on the lathe 16. Carriage (Fig. Chip Pan It is present at the bottom of the lathe. It moves on left and right. Carriage: The carriage is located between the headstock and the tailstock and contains an apron, saddle, compound rest, cross slide, and tool post. Compound rest, cross slide, and tool post with tools are mounted on the top of your lathe carriage and facilitate transverse and angular movement to the tool. It can be moved by hand or by power and can be clamped into position with a locking nut. 4. Working Principle of a Lathe Machine The working principle of the Lathe is straightforward. 7. The parts of the Hand Wheel. It carries compound rest, compound slide and tool post. Tailstock and carriage are moves over guideways. A top slide known as compound slide is attached to the compound Feed Rod It is used to move the carriage from left to right and vice versa. 3. Tools are selected It fits The eight primary parts that make up a lathe machine include: the bed (the base), the headstock (for rotating the spindle), the tailstock (for securing your tool bit), the carriage (your guide), the cross slide (for moving your tool bit back and forth), the saddle (which supports cross slide movements), the apron (the gears and clutches), and the legs (for elevating your lathe machine). Lead Screw The lead screw is used to move the carriage automatically during threading. Lathe carriage. It has several parts to support, move and control the cutting tool. Apron handwheel Parts of the Lathe: The ____ engages a clutch that provides feed to the carriage. It moves on left and right. Legs of the lathe. Cross slide hand wheel is rotated to move it at right angles to the lathe axis. Psra left side plate nc program by master cam. Saddle. Barrel consists of a Dead Centre which is used to support a work piece. It is an important tool which helps mount the tool post. It consists of the saddle, cross slide, compound rest, top slide or tool post and the apron. are marked. Used for mounting and moving most of the cutting tools. The carriage rides on the ways and holds many of the frequently used controls. The slide or rest may be swiveled to any angle with in a circle. As per its name, it is used to guide the tailstock and carriage. The rotation of Chuck can be a clock or anti-clockwise. Apron: It consists of gears, levers and clutches for moving the carriage with the lead screw for thread cutting. See Shop Staff for cutting threads. be moved along the bed either towards or away from the head stock.