PDF-Version 2 ME, IIT Kharagpur Module 2 Stresses in machine elements

Version 2 ME IIT Kharagpur Lesson 4 Compound stresses in machine parts Version 2 ME IIT Kharagpur PA MyI VQIt Elements of force system at a beam section Superposition of axia Transform. Analyse the statically indete rminate plane frame by force method 2 Analyse the statically indeterminate plane frames undergoing support settlements 3 Calculate the static def lections of a primary stru cture released frame under external loads 4 Wr Describe the basic mechanism of material removal in USM ii Identify the proce ss parameters of USM iii Identify the machining characteristics of USM iv Analyse the effect of process par ameters on material removal rate MRR v Develop mathematical mod They belong to mechanical group of nonconventional processes like Ultrasonic Machining USM and Abrasive Jet Machining A JM In these processes WJM and AJWM the mechanical energy of wa ter and abrasive phases are used to achieve material removal or ma 87 087 Version 2 CE IIT Kharagpur brPage 10br 0 870 sty bd Af 0 0 870 Af sty 087 yst fAz V bd Version 2 CE IIT Kharagpur brPage 11br a Bars in tension c l 26221 of IS 456 b Bars in compression c l 26222 of IS 456 Version 2 CE IIT Kharagpur brPage 12b Types of brakes Brakes are devices that dissipate ki netic energy of the moving parts of a machine In mechanical brakes the di ssipation is achieved through sliding friction between a stationary object and a rotating part Depending upon the directio Cutting tools may be classified according to the number of major cutting edges points involved as follows Single point eg turning tools shaping planning and slotting tools and boring tools Double two point eg drills Multipoint more than two eg milli rt configuration and use v Identify the advantages and lim itations of broaching i BASIC PRINCIPLES OF BROACHINING Broaching is a machining process for remo val of a layer of ma terial of desired width and depth usually in one stroke by a slender rod The need for structures of a canal irri gation system for convey ing water from one point to another 2 Structures for conveying water ac ross over or under natural streams 3 Transitions in canals at change of cross section 380 Introduction A canal c Some details of tapping and set screws Thread forms in details 431 Bolts screws and studs are the most common types of threaded fasteners They are used in both permanent or removable joints Bolts They are basically threaded fasteners normally used w Location of IIT Madras The IIT Madras campus is located on the Sardar Patel Road, halfway between the Raj Bhavan and Adayar bus terminus, i.e. about 12 kms from Chennai Central. The other landmarks ar forced into the socket However, if 1212 DII are the corresponding angles of en on one side only then II for self locking. Clearances t until the socket end comes in contact with b d d2 l1 d1 luis.olmos@iit.upco.es Abstract Students’ perspective: Krishna . Ramkumar. 20 August 2011. The Problem: . Exhausted. student base with . diverse. interests . Pursuing anything other than science in school considered inferior. Few explore real interests. OUR MISSION. TO ENABLE STUDENTS BY OUR . SYSTEMATIC AND COMPREHENSIVE TRAINING. IMPARTED BY . QUALIFIED AND . EXPERIENCED FACULTY. SUPPORTED BY REGULARLY UPDATED MATERIAL. USING . PROVEN SCIENTIFIC LEARNING TECHNIQUES.