Feb 02, 2018 jig and fixture top 10 important questions with answer in hindi. It is a work holding device that holds, supports and locates the workpiece for a specific operation but does not guide the cutting tool 2. Quality of the performance of a process largely influenced by the quality of jigs and fixtures used for. If you send me questions using the forms in mcq sets d.
The duration of trade is two years with four semesters of six months each. Jig design nageswara rao posinasetti february 12, 2008 nageswara rao posinasetti 2 fixture a fixture is a means through which a part is securely fastened to the machine tool table to accurately. Crushers, screen, washing, feeder, conveyor for jig and fixture mcq question download. The following section consists of multiple choice questions on production engineering. Drill jig helps to drill, ream and tap at a much faster speed and with great accuracy as compared to holes done conventionally by hand. Plate fixture overview of tool design application in angle plate jigs and fixtures the design of channel and box jigs overview. They can also be used for small scale production when interchangeability is important by skilled machinist when the. Multiple choice questions on production engineering quiz and. With the use of jigs and fixture total cost of production a increases b decreases c remains same d jigs are not used in any production.
Iti trade technical mcq previous year exam paper in this pdf file hindi. Plate fixture overview of tool design application in angle plate jigs and fixtures the design of channel and box jigs overview of channel jigs design process of a channel jig overview of box jigs design process of a box jig tool design application of channel and box jigs. Design and fabrication of work holding device for a drilling. Jigs and fixtures is an indispensable reference for design and production engineers on the shop floor. Such tedious and time consuming manual work are eliminated or drastically. A jig is a specialized tool used to make something easier to. Important iti fitter previous year question paper 1. Jul 04, 2018 mechanical engineering production engineering jigs and fixtures for gate 2019, ssc je,ese, railway and psu exams and other exam lectures contain questions solved with detail explanation. These objective type material science questions are very important for campus placement test. Pdf the design and need for jigs and fixtures in manufacturing.
Before discussing about it first you should learn the concept of jigs and. International journal of engineering research and general. Iti fitter multiple choice questions transmission of power chapter important questions with answers for all types iti fitter competitive exams,iti job, iti fitter job, iti fitter govt job. Jigs and fixture cannot be used in machining of complex and heavy components. More details get price dimensional gauges, jigs, checking fixtures and tecnomatrix. Drill jig terms open jig also called plate jig or drill template the simplest type of drill jig consists of a plate with holes to guide the drills, and may have locating pins that locate the workpiece on the jig drill. This is used in the hls9000, hls7 and sidelite plus the hls one. These are special work holding and tool guiding device. With the use of jigs and fixture total cost of production a increases b decreases c remains same d jigs are not used in any production process view answer. A fixture is usually a semipermanent or permanent item. Sep 19, 2014 jig can be defined as a work piece holding and locating device that positions and guides or controls the cutting tool.
Pdf jigs and fixtures by p h joshi book free download. The students of production engineering will also find this. International jobs blog career insights talent network site map. Design of jigs,fixtures and press tools, nov,dec2015, nov,dec2014, design of jigs,fixtures,press tools and moulds may2014,design of jigs,fixtures,press tools and moulds nov,dec20,design of jigs,fixtures and press tools ap,may 2008 design of jigs,fixtures and press tools ap,may2010,design of jigs,fixtures and press tools nov,dec2009,design of. Great book for all mechanical engineers and designers to have in their library.
It is a work holding device that holds, supports and locates the workpiece and guides the cutting tool for a specific operation 1. These devices are provided with attachments for guiding, setting. The main purpose of a fixture is to locate and in some cases hold a workpiece during either a machining operation or some. Dear readers, welcome to material science multiple choice questions and answers with explanation. A jig is defined as the device which holds and positions the workplace, locates or guides the cutting tool related to the workplace and usually jig. Mallett, deputy secretary economics and statistics administration robert j. Apr 22, 2017 fixture is a work holding device that holds, supports and locates the workpiece for a specific operation but does not guide the cutting tool 2 jigs are not clamped to the drill press table unless large diameters to be drilled and there is a necessity to move the jig to bring one each bush directly under the drill. Where can you find best quality multiple choice questions. Take the quiz and improve your overall general knowledge. Sep 26, 2015 version 2 me, iit kharagpur page 5 module 8 jigs and fixtures for machine shop version 2 me, iit kharagpur lesson 34 design and application of typical jigs and fixtures version 2 me, iit kharagpur instructional objectives this lesson will enable the students. Jig and fixture top 10 important questions with answer in hindi.
A fixture is a work holding device and position the work. These devices are provided with attachments for guiding, setting, and supporting the tools in such a manner that all the workpieces produced in a given jig or fixture will be exactly alike in every way. The book contains over 250 illustrations, including 2d3d views of different jigs. Get the most authentic answers for your subjective questions 31. Fixture is a work holding device that holds, supports and locates the workpiece for a specific operation but does not guide the cutting tool 2 jigs are not clamped to the drill press table. High speed, feed and depth of cut can be used in machining with the help of jigs and fixtures 3. These objective type material science questions are very important for campus placement test, semester exams, job interviews and competitive exams like gate, ies, psu, netsetjrf, upsc and diploma. A jig is a specialized tool used to make something easier to manufacture, assemble, or repair.
Good evening friends es video top 10 jig and fixture ke important. Jigs and fixtures mechanical engineering mcq questions. We know that machining is the process of removing metal by the moving or stationary work piece by use of tool. For those engineers and designers that need to learn jig and fixture design, this is the book to get. Design of jigs,fixtures and press tools question bank anna. The following holds the workpiece securely in a jig or fixture against the. Mechanical engineering production engineering jigs and fixtures for gate 2019, ssc je,ese, railway and psu exams and other. International journal of engineering research and general science volume 2, issue 2, febmar 2014 issn 20912730 129. Design and application of typical jigs and fixtures jigs.
What makes a fixture unique is that each one is built to fit a particular part or shape. Today we will discuss about what are jigs and fixture, working, advantages and also difference between them. They are special purpose tools used for large scale production by semi skilled operator. Version 2 me, iit kharagpur page 5 module 8 jigs and fixtures for machine shop version 2 me, iit kharagpur lesson 34 design and application of typical jigs and fixtures version 2 me, iit. Jigs and fixtures are used to locate and hold the work that is to be machined. A jig is a guiding device and a fixture a holding device. February 12, 2008 nageswara rao posinasetti 3 jig a jig is a special class of. Iti fitter multiple choice questions jigs and fixtures. What is the difference between a jig and a fixture. This highly useful book for design and production engineers provides. This contains 10 multiple choice questions for mechanical engineering jigs and fixtures 1 mcq to study with solutions a complete question bank. Please refer to the figure 2 to answer the questions. May it be a drill jig or a drill fixture the necessity of a clamping device is inevitable. The design and need for jigs and fixtures in manufacturing.
A jig differs from a fixture in the sense that it guides the tool to its correct position or towards its correct movement during an operation in addition to locating and. Download jigs and fixtures by p h joshi jigs and fixtures are production devices that increase the rate of manufacturing. Jigs and fixture cannot be used in machining of complex. Mar 21, 2017 today we will discuss about what are jigs and fixture, working, advantages and also difference between them. Before discussing about it first you should learn the concept of jigs and fixtures. Jig is a fixture with an additional feature of tool guidance. In a house, ceiling lights, bathtubs and toilets are fixtures. The following section consists multiple choice questions on production engineering. Very systematic and extremely thorough in presenting the fundamentals, process, analysis, and evaluation. Purposes of jigs and fixtures and their design principles jigs and. The design and need for jigs and fixtures in manufacturing increase the rate of manufacturing.
Basic kit for frame jig system for tongue strikes that come to the edge of the frame pn 3599021 jig for 2 14 thick doors includes. The solved questions answers in this jigs and fixtures 1 quiz give you a good mix of easy questions and tough questions. The students of production engineering will also find this book very useful. Drill jig is device to ensure a hole to be drilled, tapped or reamed in the work piece at proper place 4. Jig and fixture top 10 important questions with answer in. Gate 2001 321 method of location in a jig or fixture would collectively restrict the workpiece in n degrees of freedom, where the value of n is a 6 b 8 c 9 d 12 gate20 pi in the 321 principle. Material science mechanical engineering mcq questions and.
Overview of jig and fixture jig a jig is a one type of custommade tool. The responsibility of maintain the accuracy of the hole is now shifted. A jig is a primary purpose is to provide repeatability, accuracy, and interchange ability in. With the use of jigs and fixture total cost of production a increases b decreases c. Get price dimensional gauges, jigs, checking fixtures and tecnomatrix. Jig can be defined as a work piece holding and locating device that positions and guides or controls the cutting tool. Once again the pinch fixture concept is employed for the fixture in the photo left to create a simple effective fixture. Design of jigs,fixtures and press tools, nov,dec2015, nov,dec2014, design of jigs,fixtures,press tools and moulds may2014,design of jigs,fixtures,press tools and moulds nov,dec20,design of jigs,fixtures. The responsibility of maintain the accuracy of the hole is now shifted from the operator and given to the jig. Jigs and fixtures mechanical engineering mcq questions and. Jig and fixture builder jobs apply now careerbuilder. Jig is the device which guides the tool, while fixture is a device that securely holds. A jig differs from a fixture in that a it guides the tool to its correct position in addition to.
The jigs and fixtures are the economical ways to produce a component in mass. Multiple choice questions on production engineering. Design and fabrication testing of combined multipurpose jig. Best book for jig and fixture design practical machinist. Lathe mandrels can be termed as a a jig b fixture c gauge d template b.