Unconventional machining process pdf

  1. Unconventional Machining Processes
  2. Unconventional Machining Process - UMP Study Materials
  3. Classification of Unconventional Machining Processes based on Energy
  4. Advanced (Non-traditional) Machining Processes

impossible to machine using traditional machining processes. • Traditional examples of single action, mechanical non traditional machining processes. PDF | 55+ minutes read | Non-Traditional Machining process. To learn about various unconventional machining processes, the various process Unconventional machining Process – Need – classification – Brief overview.

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Unconventional Machining Process Pdf

Need For Unconventional Machining Processes. 2. Classification Of UCM Processes. 2. Brief Overview. 3. UNIT II MECHANICAL ENERGY BASED. Sri Vidya College of Engineering & Technology, Virudhunagar Course Material ( lecture notes) ET C SV ME - Unconventional Machining Prcesses - Unit 1. Total: 45 OUTCOMES: Upon completion of this course, the students can able to demonstrate different unconventional machining processes and know the.

This book is written to serve the needs of under graduate students embarking introductory course in Unconventional Machining Processes. Each unit contains two mark questions and answers, review questions. Model question papers are added at the tail end of this book. With these features, we sincerely hope that this book would serve as a valuable text for the students. We welcome constructive criticism on any specific topics of this book. Visitor Kindly Note:

The working principles and the applications of some of these processes are discussed in this chapter.

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Unconventional Machining Processes

Allied, New Delhi. Ann CIRP 36 2 : — Google Scholar [5] Taniguchi N Current status in, and future trends of, ultraprecision machining.

Ann CIRP 32 2 : — Int J Manuf Technol Manage 7 2—4 : — Mach Sci Technol 1 2 : — Int J Mach Tools Manuf 36 10 : — Int J Mach Tools Manuf 27 4 : — J Mater Proces Technol — Int J Mach Tools Manuf 38 1—2 : 15— J Mater Process Technol — Mach Sci Technol — By forcing the plasma gas and arc through a constricted orifice the metal, which is to be welded is melted by the extreme heat of the arc.

The weld JN pool is protected by the shielding gas, flowing between the outer shielding gas nozzle and the plasma nozzle.

Unconventional Machining Process - UMP Study Materials

As shielding gas pure argon-rich gas-mixtures with hydrogen or helium are used. The high temperature of the plasma or constricted arc and the high velocity plasma jet provide an increased heat transfer rate over gas tungsten arc welding when using the same current.

This results in faster welding speeds and deeper weld penetration. This method of operation is used for welding extremely thin material and for welding multi pass groove and welds and fillet welds. The common application areas of the machine are: 1. Single runs autogenous and multi-run circumferential pipe welding. In tube mill applications.

Classification of Unconventional Machining Processes based on Energy

Welding cryogenic, aerospace and high temperature corrosion resistant alloys. Nuclear submarine pipe system non-nuclear sections, sub assemblies. Welding steel rocket motor cases.

Welding of stainless steel tubes thickness 2. Welding of carbon steel, stainless steel, nickel, copper, brass, monel, inconel, aluminium, titanium, etc. Welding titanium plates up to 8 mm thickness.

Welding nickel and high nickel alloys. Plasma torch can be applied to spraying, welding and cutting of difficult to cut metals and alloys. Plasma Arc Machining PAM : Plasma-arc machining PAM employs a high-velocity jet of high-temperature gas to melt and displace material in its path called PAM, this is a method of cutting metal with a plasma-arc, or tungsten inert-gas-arc, torch. The torch produces a high velocity jet of high-temperature ionized gas called plasma that cuts by melting and removing material from the work piece.

TU Temperatures in the plasma zone range from 20, to 50, F 11, to 28, C. It is used as an alternative to oxyfuel-gas cutting, employing an electric arc at very high temperatures to melt and vaporize the metal.

Equipment: A plasma arc cutting torch has four components: 1. The electrode carries the negative charge from the power supply.

Advanced (Non-traditional) Machining Processes

The swirl ring spins the plasma gas to create a swirling flow pattern. The nozzle constricts the gas flow and increases the arc energy density.

The shield channels the flow of shielding gas and protects the nozzle from metal spatter. Principle of operation: PAM is a thermal cutting process that uses a constricted jet of high-temperature plasma gas to melt and separate metal.

The plasma arc is formed between a negatively charged electrode inside the torch and a positively charged work piece.

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