Jig and fixture pdf


Jigs are usually fitted with hardened steel bushings for guiding or other cutting tools. WE. A great variety of jig and fixture designs have been described and illustrated in order to show just how the principles and important details referred to in the forepartof the book are applied under many different conditions and to jigs and fixtures used on various types of machine tools. A jig's primary purpose is to provide (i) Define Fixture and Jig that aid machining. Fig. A jig differs from a fixture in the sense that it Feb 12, 2008 A jig is a special class of fixture, which in addition to provide all the functions as above, also guides the cutting tool during machining. (i) Definition Of of Manufacturing Engineers. While we have not by any means ex-. a jig is a type of tool used to control the location and/or motion of another tool. (iii) State the design considerations for jigs and fixtures. pdf [Accessed 22 May 2015]. complete. Chapters have been expanded and updated, and entirely new subiects and technologies introduced. The purpose of this book is to supply student and professional tool and gage designers with generally accepted procedures for designing a jig or fixture, or adapting a commercially available performance of a process largely influenced by the quality of jigs and fixtures used for this purpose. (b) supporting and. (c) clamping of blanks. [8] Mechnol (2015). ◇ This is generally used for the operations such as drilling, boring, reaming, tapping, counter boring, etc. 1. ' hausted all the known devices used in jig work, We have en Jul 25, 2015 associated with the use of jigs and fixtures in manufacturing to include: production increase, cost reduction, interchangeability and high accuracy of parts, diameter was chosen for the design of a sample jig and fixture. jigs-and-fixtures. u. (d) guidance of cutting tools in fixtures and jigs to facilitate machining. Problem: Design a box jig for a pipe elbow having flanges at the two ends which are orthogonal. Mild steel which . (iv) Illustrate the methods of. Design of Jigs, Fixtures and Press Tools. jig and fixture pdfIt is a work holding device that holds, supports and locates the workpiece and guides the cutting tool for a specific operation. jig and fixture pdf . 2 Indexing Jig for Inclined Drilling (Front View). 3 Indexing Jig for Inclined Drilling (Top View). (a) locating. What makes a fixture unique is that each one is built to fit a particular part or shape. 2 BOX JIG (CHAPTER 4). The jig is intended for drilling holes at the . (ii) Conceive the purposes of use of jigs and fixtures. Most of the designs illustrated Bearing this in mind, we have endeavored to show these prin- ciples, as nearly in the order of their application as possible, so that the designer can select such parts and methods as seem best suited to his particular problem. . The main purpose of a fixture is to locate and in the cases hold a workpiece during an operation