It is combination of many parts which works together to perform a desire function. The name engine is kept as in the past steam engines are used for running these lathes. Tailstock 4. Bed. The major parts of lathe machine are given as under: 1. Fig. Head stock 3. The basic lathe that was designed to cut cylindrical metal stock has been developed further to produce screw threads. The rapid-reduction lathe, shown in Fig. 13.4.2.

bar turret lathe, chucking turret lathe, vertical lathe etc.

BASIC MECHANICS OF METAL CUTTING The basic mechanics of chip-type machining processes (Fig. shows the different parts of engine lathe or central lathe.

automatic machines for high production. 1. Tailstock 4. The bed of a lathe machine is the base on which all other parts of lathe are mounted.

Engine lathe It is the most commonly used lathe and is of high importance in lathe family. Introduction to Turning Tools and their Application Identification and application of cutting tools for turning The variety of cutting tools available for modern CNC turning centers makes it imperative for machine operators to be familiar with different tool geometries and how they are applied to common turning processes. •CNC Machining is a process used in the manufacturing sector that involves the use of computers to control machine tools like lathes, mills and grinders. vertical lathe machine for large and heavy parts. Designed to form its own thread, usually in a pre-drilled hole.

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. The cutting tool is feed into the workpiece, which rotates about its own axis, causing the workpiece to be formed to the desired shape.

Feed mechanism 6. Different Types of Lathe Machines - This Slide Share focuses on the different types of lathe machines, their industry specific designing and applications. Boring Machines 3. This Slide Share focuses on the different types of lathe machines, their industry specific designing and applications. It is generally used in order to machine the entire length of a hollow job. Thread cutting mechanism.

Grinding is an another type of machining process which is used to for finishing purpose. presentation on lathe machine 1. tapered work. Fig. 13.4.1) are shown, in simplest two-dimensional form, in Fig. Fig. A rest is a lathe device, which supports a long slender job, when it is turned between centers or by a chuck, at some intermediate point to prevent bending of the job due to its own weight and vibration set up due to …

CNC : Computerised Numerical Control (Computer + Numerical Control) •Numerical control is a programmable automation in which process is controlled by Numbers, Letters, and symbols. Drilling machines, 7. Lathe machine is also known as “the mother/father of the entire tool family”.

1. A tool with a certain rake angle a (positive as shown) and relief angle moves along the surface of the workpiece at a depth t 1. 32.3 shows a schematic of multi-spindle auto. 3. Bed 2. This resource provides info about Lathes and Classification of Lathes. shows the different parts of engine lathe or central lathe. Names of commonly used machine tools: 1. Carriage 5. Singh Associate Professor (Workshop) Indian School of Mines Dhanbad Manufacturing Processes Material Removal Processes (Machining) Joining Processes (Welding, Brazing, Soldering) Casting Processes Forming Processes. about 3000 years ago by bow drills. Thread cutting mechanism. Chapter 17: Cutting Tool Applications — Grinding Methods and Machines. Lathe machines, 6. Bed 2. Today we will discuss about main type of grinding machine. LATHES The lathe is a machine tool used principally for shaping articles of metal (and sometimes wood or other materials) by causing the workpiece to be held and rotated by the lathe while a tool bit is advanced into the work causing the cutting action. In a lathe the work piece revolves along with the chuck to which the motor is connected by various gears and shafts. This process is used as secondary machining process because it is always done after a primary machining on other machine tool like lathe, milling machine …

Contents show The drilling ... As regards its importance it is second only to the lathe machines. This is similar to the speed lathes but the head stock is little robust in construction. Lathe machine is a basic machine which is used in every metal forming industries. A lathe operates on the principle of a rotating workpiece and a fixed cutting tool. Lathe was actually the first machine tool which came into being as a useful machine for metal cutting.

In lathes tools have either longitudinal or transverse motion or cross feed.