Jigs and Fixtures

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Jigs and Fixtures are production devices that increase the rate of manufacturing. This highly useful book for Design and Production engineers provides Detailed discussions on the basic principles of tool design Checkpoints for common errors in design Large number of component drawings for practice Guidelines on surface grinding layouts Important standards for elements of jigs and Fixtures What's new in this edition The primary focus of this edition is on Numerically Controlled (NC)/Computerized Numerical Control (CNC) machines and different practical problems faced by professionals in design shops. The book also contains Solutions to the problem of broken drills in deep angular oil holes Pitfalls to be avoided while locating castings and forgings Case study on drilling scores of linear holes with equal pitch Construction details of large jigs Modular fixture concepts Slitless hydraulic collets and expanding mandrels The book contains over 250 illustrations, including 2D/3D views of different jigs. Jigs and Fixtures is an indispensable reference for design and production engineers on the shop floor. The students of production engineering will also find this book very useful. About The Author Prakash Hiralal Joshi DME, AMIE (India) has heterogeneous industrial and academic experience. His industrial experience includes-design, production and tool-room supervision, planning and time and motion studies and method improvements in industries manufacturing drafting machines, diesel engines, automobile steering gears, hydraulic presses and textile and packaging machinery. Mr Joshi has been the Chief Designer and Methods Officer in Crompton Greaves (Mumbai) and Design Manager in Acro Whitney (Pune) and ZF Steering Gears (Pune). During his career of over four decades, he has designed hundreds of jigs and fixtures and scores of press tools. Mr Joshi's academic experience includes teaching jigs and fixtures, machine tools and machine design in Fr Angel Technical College (Mumbai) and Bharat Forge (Pune). He was also the first principal of the first ITI in Goa. Also, he has conducted courses on jigs and fixtures for National Productivity Council, Pune branch. Since 1992, Mr Joshi has been designing tooling and special-purpose machines as a consultant in Pune and, of course, penning technical treatises to pass on the essence of his varied experience to future generations. Table Of Contents Introduction Location Clamping Indexing Devices Drill Jigs Milling Fixtures Turning Fixtures Grinding Fixtures Broaching Fixtures Welding and Assembly Fixtures Developments in Jigs and Fixtures Inspection Devices Shop Setups Estimation Reference Tables Exercises