Now, if we look into the bevel gear performance operation then we will see that from bevel gear with. Nptel syllabus manufacturing processes i video course metal forming elastic and plastic deformation. Kaushik pal department of mechanical and industrial engineering indian institute of technology roorkee lecture 19 gear measurement hello my friends now we are going to start our new chapter that is the gear measurement. So, in this lecture, we will see the other processes which are covered under metal matrix composite. Inspection and quality control in manufacturing prof.
Madsen manager, industrial products engineering, neenah foundry co. Gear ratio is numbers of teeth of larger gear to smaller gear. Nptel mechanical engineering video lecture online study material. Automotive gear ratio is the number of turns of the drive wheels in relation to the number of turns of the engine. Pressure angle is the angle between the pressure line and common tangent to pitch circles. Nptel material is available for free on nptel website. Nptel provides elearning through online web and video courses various streams. Very large size gears are made using the casting process, similarly the large dia shafts. The number of teeth for spur gears is given by where k 1f fll1 for fulld tht th08f tbt th d ldepth teeth, 0. Setup of the manufacturing process and economic study of the.
Pdf automobile engineering free notes, ebook for btech. Me 338 manufacturing processes ii department academic. The free mechanical engineering books in this category are designed to help you prepare for their exams. Mechanical properties of materials nptel pdf wpkuluv. Gear technology is where engineers and manufacturers come to find technical articles on gear design, engineering and manufacturing, and where the gear industry comes to locate suppliers of gear machines, gear cutting tools and related services. If the mating gear has more teeth than the pinion, that is. Gear cutting me 312 manufacturing technologyvikrant sharma, mechanical engineering department. These are casting, machining, joining welding, mechanical fastners, epoxy, etc. While much of todays research in mechanical engineering is of interdisciplinary nature requiring knowledge from numerous other science and engineering disciplines, the research work of the faculty members of the department is categorized into three broad streams. Mechanical drives used gearboxes, shafts, pulleys, chains and sprockets to drive the trencher chain.
Oct 20, 2008 lecture series on manufacturing processes ii by prof. Lecture series on manufacturing processes i by prof. Erasmus mundus master of mechanical engineering setup of the manufacturing process and economic study of the gear box for industrial vehicle report author. From the beginning of the century, the demand for better productivity of gear manufacturing. Mechanical gear are used to provide a variable output speed from a constant speed power source or to provide torque increase for a variable speed power source as in an automobile. Manufacturing and technical staff in industry must know the various manufacturing processes, materials being processed, tools and equipments for manufacturing different components or products with optimal process plan using proper precautions and specified safety rules to avoid accidents. The study of manufacturing reveals those parameters which can. In linear broaching, which is the more common process, the broach is run linearly against a surface of the workpiece to effect the cut. Iron is good because of its castability and wear characteristics. Elements of mechanical engineering notes pdf download b. Nptel provides elearning through online web and video courses in engineering, science and. The course takes us through the fundamentals of different machining processes, and optimization of a chain of processes through which a part undergoes.
Me mechanical online portal for mechanical engineering. Feb 26, 2015 download free automobile engineering pdf notes, ebook as per mechanical engineering course. Specifically, hobbing, milling, and shaping are defined, as well as the four primary types. Several types of manufacturing processes are applied in production process based on the nature of work and ultimate resultant finished goods required.
Elements of mechanical engineering pdf download free. Neither the authors nor the publisher can be held responsible for injuries sustained while following the procedures described. Mechanical engineering manufacturing processes i nptel. Me mechanical is an online portal for mechanical engineers and engineering students. Nptel video lectures, iit video lectures online, nptel youtube lectures, free video lectures, nptel online courses, youtube iit videos nptel courses. Manufacturing is the backbone of any industrialized nation. This article describes the various methods of manufacturing methodologies followed for each type of gear. Tape winding, pultrusion and thermoforming so, welcome friends, this is lecture 15. Thermal and fluids engineering, design engineering, and manufacturing engineering. Ramkmar department of mechanical engineering indian institute of technology, kanpur lecture 19 processing of mmc. Mechanical engineering manufacturing processes ii nptel. The content of this course shall provide the student with the basic concepts of various mechanical systems and exposes the student to a wide range of equipment and their utility in a practical situation.
The rack is a portion of a gear having an infinite pitch diameter and the line of action is tangent to the pinion. Introductiona gear is an important machine elements which is used to for transmission of power or motion or both from one shaft to other. Process engineering, in its application to engineering industries, shows how the different problems related to development of various machines may be solved by a study of physical, chemical and other laws governing the manufacturing process. Dec, 2015 process engineering, in its application to engineering industries, shows how the different problems related to development of various machines may be solved by a study of physical, chemical and other laws governing the manufacturing process. These gears control speed and include gears like ring and pinion, spiral gear, hypoid gear, hydraulic gears, reduction gearbox. Broaching is a machining process that uses a toothed tool, called a broach, to remove material. Rajiv shivpuri professor of industrial, welding, and systems engineering, ohio state university. Mechanical vibrations nptel online videos, courses iit. Advanced manufacturing process for micro system fabrication. Sep 06, 2018 engineering materials are often found to posses good mechanical properties so then they are nptel mechanical engineering forming. Apply to manufacturing engineer, manufacturing associate, application developer and more.
If you are not able to download lectures due to bandwidth constraints, you can obtain the courses in dvds by paying a nominal fee to cover the cost of storage media and distribution. Miller welding design engineer, lincoln electric co. We publish articles on various engineering and technology topics. Smart material, adaptive structures and intelligent mechanical systems iitk. Search by nptel course id, course name, lecture title, coordinator.
Slotter machine is defined as a machine tool uses for removing unwanted material chips from the workpiece to make splines, grooves and more here the ram tool attached moves reciprocating, whereas in shaper the ram moves horizont. Gear steels come in grades 1, 2, and 3 as classified by the american gear manufacturing association agma. Topics such as materials science and mechanical systems are explained. Send address changes to gear technology, the journal of gear manufacturing.
Manufacturing engineering and technology, prentice hall spur gear nomenclature august 15, 2007 12 gear types helical gears teeth are at an angle used for parallel shafts teeth engage gradually reducing shocks. Gears play a prominent role in the mechanical power transmission. Mechanical engineering 155 courses linuxpert systems. Ramkumar department of mechanical engineering indian institute of technology, kanpur lecture 15 thermoplastic composites manufacturing processes. Manufacturing of gears is a very interesting area involving various methodologies and varies with the type of gears to be produced. Automotive gears play an important role in trucks, car, buses, motor bikes and even geared cycles. Milling machine indexing lecture 18 gear cutting cnc and non traditional machining lecture 19 cnc and nontraditional machining methods lecture 20. Lecture series on manufacturing processes ii by prof.
Helical gear can be seen as a stepped gear with an infinite number of steps. This is an introductory level course in manufacturing process technology and is mostly meant for undergraduate engineers. Gear cutting and manufacturing methods brighthub engineering. Hot and cold working processes rolling, forging, extrusion, swaging, wire and. Pressure line is the common normal at the point of contact of mating gears along which the driving tooth exerts force on the driven tooth. Mechanical engineering books are you studying mechanical engineering. The smallest number of teeth on a spur pinion and gear, onetoone gear ratio, which can exist without interference is np. Blodgett senior design consultant, lincoln electric co. Helical gear step gears have two or more spur gears fastened together and each gear is advanced relative to the adjacent one by a small amount.
Paul,department of mechanical engineering, iit kharagpur. Instructional objectives i manufacturing process ii. The fundamental goal of manufacturing process is to produce a product that has a useful form. Effect of manufacturing process on mechanical properties. Mechanical properties of metals, lecture notesmechanical properties of metals, pdf lecture notescorrosion and degradation of materials, pdf, 0. Oct 22, 2008 lecture series on manufacturing processes ii by prof. Free download engineering ebooks pdf ppt lecture notes. Casting process exploit the fluidity of a metal in. Manufacturing process is one of the important steps in production process.
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