Pressure regulation the pressure regulation is the process of reduction of high source pressure to a lower working pressure suitable for the application. Metal casting processes indian institute of technology guwahati. Khurmi book pdf of theory of machines automobile engineering notes for mechanical engg, pdf download. The number of teeth for spur gears is given by where k 1f fll1 for fulld tht th08f tbt th d ldepth teeth, 0. This article describes the various methods of manufacturing methodologies followed for each type of gear. Home tags manufacturing process hajra choudhary pdf download. Setup of the manufacturing process and economic study of the. The gear manufacturing industry aims to replace their traditional production lines with greener processes and thereby urge engineers to think about using metal forming methods instead of the traditional metal cutting. To understand the gear manufacturing or gear cutting process it is necessary to. Manufacturing engineering is very broad area of industrial and production engineering and equally importance for mechanical and production enginnering students. Gear design national broach and machine division,of lear siegler, inc.
Me6302 manufacturing technologyi previous year question. Introductiona gear is an important machine elements which is used to for transmission of power or motion or both from one shaft to other. Download link is provided and students can download the anna university me6402 manufacturing technology ii mt ii syllabus question bank lecture notes syllabus part a 2 marks with answers part b 16 marks question bank with answer, all the materials are listed below for the students to make use of it and score good maximum marks with our. Term applied to all materialremoval processes metal cutting. Unit 6 gear generation and finishing gear generation. Blodgett senior design consultant, lincoln electric co. Download fulltext pdf manufacturing productivity improvement through dmaic methodology. Nptel mechanical mechatronics and manufacturing automation joint initiative of iits and iisc funded by mhrd page 7 of 63 5. Rajiv shivpuri professor of industrial, welding, and systems engineering, ohio state university. E mechanical engineering, second year 3rd semester me6302 manufacturing technologyi previous year question papers for the regulation 20. M arc on pitch circle from flank of one tooth to other tooth. 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. Gears play a prominent role in the mechanical power transmission. Me 206 manufacturing processes 1 department academic.
Depending upon the type and accuracy of motion desired. Gear manufacturing has been one of the most complicated of the metal cutting processes. The course is meant as an introduction towards primary manufacturing processes such as casting, forming and welding. Jun 19, 2014 part of the fundamental manufacturing processes video series, this program introduces many primary gear terms and definitions, including involute curve, base.
Machining there are three machining processes for gear manufacturing, form cutting same profile cutters are used template process cutting by single point cutting tool. Me6402 manufacturing technology ii sce 6 department of mechanical engineering unit i theory of metal cutting definitions machining. It begins with an introduction to the machine design process and engineering materials with their properties and goes on to discuss major topics such as manufacturing considerations in machine design, simple stresses in machine parts and internal combustion engine parts. Manufacturing of gears is a very interesting area involving various methodologies and varies with the type of gears to be produced.
Lecture series on manufacturing processes i by prof. Gear cutting me 312 manufacturing technologyvikrant sharma, mechanical engineering department. To meet the strenuous service conditions the gears should have. The gear design process winzeler gear winzeler gear. A material removal process in which a sharp cutting tool is used to mechanically cut away material so that the desired part geometry remains most common application. If the mating gear has more teeth than the pinion, that is. Manufacturing engineering and technology 6th edition by. Specifically, hobbing, milling, and shaping are defined, as well as the four primary types.
Part of the fundamental manufacturing processes video series, this program introduces many primary gear terms and definitions, including involute curve, base. Unit 6 gear generation and finishing gear generation and. Nptel mechanical mechatronics and manufacturing automation joint initiative of iits and iisc funded by mhrd page 1 of 63 module 5. Gear steels come in grades 1, 2, and 3 as classified by the american gear manufacturing association agma.
Design of machine element and manufacturing processes. Learn for free, pay a small fee for exam and get a certificate. Jul 25, 2015 manufacturing technology gear shaping process gear shaping uses a cutting tool in the shape of a gear which is reciprocated axially across the gear blank to cut the teeth while the blank rotates around the shaper tool. The smallest number of teeth on a spur pinion and gear, onetoone gear ratio, which can exist without interference is np.
Gears are used extensively for transmission of power. Omirou 2 manufacturing processes classification casting material removal joining casting amanufacturing process that pours a liquid material into a hollow mold until the material cools into a solidified shape material removal or machining processes remove a. Alarm management for process control download applied technology and instrumentation for process control download cement engineers. Schematic illustrations of the superfinishing process for a cylindrical part. Forming consists of direct casting, molding, drawing, or extrusion of tooth forms in molten, powdered. Lecture 5 gear manufacturing contents of the lecture gear manufacture can be divided into two categories, forming and machining. For example, you cannot optimize a plastic gear design without considering both the behavior of the plastics materials, how they process, and how the material selection and gear configuration impact the gear mold design. Iron is good because of its castability and wear characteristics.
Introduction the controlled movement of parts or a controlled application of force is a common. Automobiles, gear boxes, oil engines, machine tools, industrial machinery, agricultural machinery, geared motors etc. Advanced gear manufacturing and finishing offers detailed coverage of advanced manufacturing technologies used in the production of gears, including new methods such as spark erosion machining, abrasive water jet machining, additive layer manufacturing, laser shaping, and sustainable manufacturing of gears the industry in this area is constantly producing new settings where gears must endure. Metal casting is a labour intensive process automation. Nptel video lectures, iit video lectures online, nptel youtube lectures, free video lectures, nptel online courses, youtube iit videos nptel courses. Nptel provides elearning through online web and video courses various streams. Again, it can be regarded as a portion of a helical gear with infinite radius. Master thesis erasmus mundus master of mechanical engineering setup of the manufacturing process and economic study of the gear box for industrial vehicle.
Gear technology septemberoctober 2006 the journal of gear manufacturing. The double helical form balances the inherent thrust forces. Manufacturing processes i nptel online videos, courses. Hypoid gear this is a deviation from a bevel gear that originated as a special development for the automobile industry. As everyone knows that theory of machines is a very tough subject in mechanical engineering. Manufacturing engineering manufacturing process is that part of the production process which is directly concerned with the change of form or dimensions. Manufacturing is the backbone of any industrialized nation. Nptel mechanical engineering manufacturing processes ii. Jul 19, 2011 pitch diameter pd the diameter of an imaginary pitch circle on which a gear tooth is designed.
The person who designs the solution for different engineering problems has to go through the various stages of the design process to arrive at an optimal solution. It is true shape generation process in that the gear shaped tool cuts itself into mesh with the gear blank. Me6302 manufacturing technologyi previous year question papers february 23, 2018 may 25, 2019 syed afrith b. Dec 07, 2017 manufacturing process helical gear in milling machine. Download link is provided and students can download the anna university me6402 manufacturing technology ii mt ii syllabus question bank lecture notes syllabus part a 2 marks with answers part b 16 marks question bank with answer, all the materials are listed below for the students to make use of it and score good maximum marks with our study materials. Advanced manufacturing technologies involve the application of computers to various facets of the production process. Hello engineers, today brings a very important books pdf for mechanical engineering students. Singhmelkotecolton honing and superfinishing honing tool used to improve the surface finish of bored or ground holes. Setup of the manufacturing process and economic study of. Advanced gear manufacturing and finishing 1st edition. This is a linear shaped gear which meshes with a helical gear. Gear generation and unit 6 gear generation and finishing finishing operations operations structure 6. A gear can be defined as a toothed wheel which, when meshed with another toothed wheel with similar configuration, will transmit rotation from one shaft to another. Download the seminar report for gear manufacturing processes.
Manufacturing process is defined as any repetitive system for producing a product, including the people, equipment, material inputs, procedures and software in that system. Manufacturing technology gear shaping process gear shaping uses a cutting tool in the shape of a gear which is reciprocated axially across the gear blank to cut the teeth while the blank rotates around the shaper tool. Definitions diametral pitch, p nd module m is reciprocal of p dn circular pitch. Advanced gear manufacturing and finishing offers detailed coverage of advanced manufacturing technologies used in the production of gears, including new methods such as spark erosion machining, abrasive water jet machining, additive layer manufacturing, laser shaping, and sustainable manufacturing of gears. The process in which a thin layer of excess metal c hip is removed by a wedgeshaped singlepoint or multipoint cutting tool with defined geometry. Double helical gear this is a gear with both lefthand and righthand helical teeth. It is said that what differentiates human being from other animals is our ability to use tools. The 22 manufacturing technologies are grouped into six functional categories, each capturing a different aspect of the process fabrication and assembly, automated materials handling systems. Using this collective intelligence for plastic gear design and manufacturing results in superior value for our clients. A case study of automotive ancillary unit research pdf available january 2018 with 2,793 reads.
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