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| Publisher | Faculty Notes |
| Author: | Panel Of Experts |
| Number of Pages | 131 |
| Available | Available in all digital devices |
Introduction to machine tool drives mechanisms
AP GP for steeping speeds of gears
Working and auxiliary motions in machine tool Parameters defining working motions of machine tool Mechanical transmission and its elements Broadly Classification of transmission of rotary motion Stepped Speed Drives in Machine Tools Belting Pick-Off Gears Gear boxes Structural formula structural diagrams Feed gear boxes Steeples Speed Drives in Machine Tools. Hydraulic transmission and its elements
Introduction The machine tool is a machine that imparts the required shape to workpiece with the desired accuracy by removing metal from the workpiece in the form of chips. In view of the extremely vast range of shapes that are in practise imparted to various industrial components, there exists a very large nomenclature of machine tools. Machine tools can be classified by different criteria as given below 1. By the degree of automation into a. Machine tool with manual control b. Semi-automatic machine tools and c. Automatic machine tool. 2. By weight into a. Light duty machine tools weighing up to 1 tonne. b. Medium duty machine tools weighing up to 10 tonne and c. Heavy duty machine tools weighing greater than 10 tonne. 3. By the degree of specialisation into a. General purpose machine tools which can perform various operations on workpiece of different shapes and sizes. b. Single purpose machine tools which can perform single operation on work pieces of a particular shape and different sizes and
c. Special machine tools which can perform a single operation on workpiece of particular shape and size. Working and Auxiliary Motions in Machine tools For obtaining the required shape on the workpiece, it is necessary that the cutting edge of the cutting tool should move in a particular manner with respect to the workpiece. The relative movement between the workpiece and cutting edge can be obtained either by the motion of the workpiece, the cutting tool, or by a combination of the motions of the workpiece and cutting tool. These motions which are essential to impart the required shape to the workpiece are known as
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