COURSE FILE. MACHINE DRAWING (Subject Code: A40310) II Year B.TECH. (MECHANICAL ENGINEERING) II Semester. Prepared by K.VIJAY, Asst.

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1 COURSE FILE MACHINE DRAWING (Subject Code: A40310) II Yea B.TECH. (MECHANICAL ENGINEERING) II Semeste Pepaed by K.VIJAY, Asst. Pofesso DEPARTMENT OF MECHANICAL ENGINEERING GEETHANJALI COLLEGE OF ENGINEERING & TECHNOLOGY CHEERYAL (V), KEESARA (M), R.R. DIST (Affiliated to JNTUH, Appoved by AICTE, NEW DELHI, ACCREDITED BY NBA)

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3 GEETHANJALI COLLEGE OF ENGINEERING & TECHNOLOGY CHEERYAL (V), KEESARA (M), R.R. DIST DEPARTMENT OF MECHANICAL ENGINEERING (Name of the Subject /Lab Couse): MACHINE DRAWING (JNTU CODE: A40310) Pogamme: UG Banch: MECHANICAL ENGINEERING Vesion No: 01 Yea: II Semeste: II Updated on: No. of pages: Classification status (Unesticted/Resticted) Distibution List: Pepaed by: 1) Name : K. VIJAY 2) Sign. : 3) Design.: Asst. Pofesso 4) Date : Veified by: * Fo Q.C Only. 1) Name : 1) Name: 2) Sign : 2) Sign : 3) Design : 3) Design. : 4) Date : 4) Date : Appoved by: (HOD) 1) Name : T.SIVA PRASAD 2) Sign : 3) Date :

4 GEETHANJALI COLLEGE OF ENGINEERING & TECHNOLOGY CHEERYAL (V), KEESARA (M), R.R. DIST COURSE FILE Depatment of: MECHANICAL ENGINEERING Yea and Semeste to Whom Subject is offeed: II Yea B.Tech. II Semeste Name of the Subject: MACHINE DRAWING Name of the Faculty: K. VIJAY Designation: Asst.Pofesso Depatment: Mech. Engg. INDEX 1.1. Intoduction to the subject 1.2. Pe-equisite/Co-equisite/Exclusion 1.3. Objectives of the subject 1.4. Outcomes of the subject 1.5. Teaching/Leaning Methodology 1.6. JNTU Syllabus with Additional Topics 1.7. Unit wise Summay 1.8. Mico Plan 1.9. Time Table Student list Quality Contol Sheets Assignment questions, Univesity Quiz and examination question papes Couse Plan Tutoial Sheets Lectue Notes Closue Repot 1.1. COURSE DESCRIPTION Machine dawing is used to communicate the necessay technical infomation equied fo manufactue and assembly of machine components. These dawings follow ules laid down in national and Intenational Oganizations fo Standads (ISO).

5 Hence the knowledge of the diffeent standads is vey essential. Students have to be familia with industial dafting pactices and thoough undestanding of poduction dawings to make themselves fit in industies. The following topics have been coveed to fulfill the above objectives. Classification of Machine Dawings, Pinciples of Dawings, Sectioning, Dimensioning, Limits, Fits and Toleance, Symbols and Conventional Repesentation, Scew Fastenes, Key Joints, Coupling and its Types, Riveted Joints, Welded Joints, Stuctual Applications, Assembly Dawings, Poduction Dawings, Repoduction of Dawing, Intoduction of Compute Aided Dafting, Intoduction of Solid 3D Modeling. Intoduction to the subject In ou daily life, we come acoss a wide aay of machines. It can be a sewing machine, a cycle o a moto ca. Powe is poduced by the engine which makes use of a mechanism called slide cank mechanism. It convets ecipocating motion of a piston into otay motion of the cank. The powe of the engine is tansmitted to the wheels with the help of diffeent mechanisms. If you visit LPG gas filling plant o a bottling plant almost all the functions ae done by making use of mechanisms. These ae only few examples. Geneally, manual handling in industies has been educed to the minimum. In engineeing, mechanisms and machines ae two vey common and fequently used tems. We shall stat with simple definition of these tems. I.3. Pe-equisites Engineeing Dawing 1.4. Objectives of the Machine Dawing Student will get methodically and well thought out pesentation that coves fundamental issues common to almost all aeas of machine dawing. 1. Students have an ability to apply knowledge of Modeling, science & engineeing. 2. Student can modeled this dawing even in CAD/CAM softwae by applying the basic knowledge of machine dawing. 3. Students will able to demonstate an ability to design and conduct expeiments, analyze and intepet data and assembly and disassembly dawings knowledge will be povided. I.5.Outcomes of the subject Analysis of complex design systems elated to mechanical Engineeing. Making use of appopiate laboatoy tools and design innovative methods. To motivate students to develop new innovative methods fo measuing poduct Chaacteistics. To enhance the ability of students to wok as teams.

6 To enhance the ability to wok as pacticing mechanical enginees in manufactuing Industies and consulting fims. Impoving skills to adopt moden methods in mechanical engineeing as continuous impovement The boad education necessay to undestand the impact of engineeing solutions in a global, economic, envionment and societal context Teaching/Leaning Methodology A mixtue of lectues, tutoial execises, and case studies ae used to delive the vaious topics. Some of these topics ae coveed in a poblem-based fomat to enhance leaning objectives. Othes will be coveed though diected study in ode to enhance the students ability of leaning to lean. Some case studies ae used to integate these topics and theeby demonstate to students how the vaious techniques ae inte-elated and how they can be applied to eal poblems in an industy JNTU Syllabus MACHINE DRAWING Machine Dawing Conventions : Need fo dawing conventions intoduction to IS conventions a) Conventional epesentation of mateials, common machine elements and pats such as scews, nuts, bolts, keys, geas, webs, ibs. b) Types of sections selection of section planes and dawing of sections and auxiliay sectional views. Pats not usually sectioned. c) Methods of dimensioning, geneal ules fo sizes and placement of dimensions fo holes, centes, cuved and tapeed featues. d) Title boxes, thei size, location and details - common abbeviations & thei libeal usage e) Types of Dawings woking dawings fo machine pats. I. Dawing of Machine Elements and simple pats Selection of Views, additional views fo the following machine elements and pats with evey dawing popotions. a) Popula foms of Scew theads, bolts, nuts, stud bolts, tap bolts, set scews. b) Keys, cotteed joints and knuckle joint. c) Rivetted joints fo plates d) Shaft coupling, spigot and socket pipe joint.

7 e) Jounal, pivot and colla and foot step beaings. II. Assembly Dawings: Dawings of assembled views fo the pat dawings of the following using conventions and easy dawing popotions. a) Engine pats stuffing boxes, coss heads, Eccentics, Petol Engine connecting od, piston assembly. b) Othe machine pats - Scews jacks, Machine Vices Plumme block, Tailstock. c) Valves : Steam stop valve, sping loaded safety valve, feed check valve and ai cock Websites:- 1. NPTEL Resouces 1.8. Unit wise Summay Sl No Unit No. Total No. of Peiod s Topics to be coveed 1 Need fo dawing conventions intoduction to IS conventions Reg./ Addition al Teaching aids used LCD. OHP.BB LCD,BB Remak s 2 Conventional epesentation of mateials LCD,BB 3 Common machine elements and pats such as LCD,BB scews, nuts, bolts, keys, geas, webs, ibs. 4 Types of sections selection of section planes and dawing of sections LCD,BB 5 Auxiliay sectional views BB 6 Methods of dimensioning BB 7 Geneal ules fo sizes and placement of dimensions fo holes,centes, cuved and tapeed featues. Title boxes, thei size, location and details 8 Common abbeviations & thei libeal usage BB 9 Types of Dawings woking dawings fo BB machine pats 10 Dawing of Machine Elements and simple LCD,BB pats 11 Selection of Views, additional views fo the machine elements and pats with evey dawing popotions. BB 12 Popula foms of Scew theads, bolts, nuts, stud bolts, tap bolts, set scews. BB

8 13 Keys, cotteed joints and knuckle joint. BB 14 Rivetted joints fo plates Shaft coupling, spigot and socket pipe joint. Assignment test-1 BB 14 Jounal, pivot and colla and foot step beaings. BB 15 II. Assembly Dawings: 16 Dawings of assembled views fo the pat LCD,BB 17 Engine pats stuffing boxes, coss heads LCD,BB 18 Eccentics, Petol Engine connecting od BB 19 Piston assembly BB 20 Scews jacks, Machine Vices LCD,BB 21 Plumme block, Tailstock. BB 22 Valves : Steam stop valve, sping loaded safety valve, feed check valve and ai cock Mico Plan:- Sl. No Unit No. Total No. of Peiod s Date Topics to be coveed Need fo dawing conventions intoduction to IS conventions Teachi ng aids used LCD. OHP.B B LCD,B B Reg/ Additi onal Rem aks Conventional epesentation of mateials Common machine elements and pats such as scews, nuts, bolts, keys, geas, webs, ibs. LCD,B B LCD,B B Types of sections selection of section planes and dawing of sections LCD,B B Auxiliay sectional views BB Methods of dimensioning BB Geneal ules fo sizes and placement of dimensions fo holes, centes, cuved and tapeed featues II Title boxes, thei size, location and details Common abbeviations & thei libeal usage Types of Dawings woking dawings fo machine pats BB BB

9 Dawing of Machine Elements and simple pats Selection of Views, additional views fo the machine elements and pats with evey dawing popotions. LCD,B B BB Popula foms of Scew theads, bolts, nuts, stud bolts, tap bolts, set scews. BB Keys, cotteed joints and knuckle joint. BB Rivetted joints fo plates Shaft coupling, spigot and socket pipe joint. Jounal, pivot and colla and foot step beaings. BB II. Assembly Dawings: Dawings of assembled views fo the pat Engine pats stuffing boxes, coss heads LCD,B B LCD,B B Eccentics, Petol Engine connecting od BB Piston assembly BB Scews jacks, Machine Vices LCD,B B Plumme block, Tailstock. BB Valves : Steam stop valve, sping loaded safety valve, feed check valve and ai cock Subject Contents Synopsis page fo each peiod (62 pages) Detailed Lectue notes containing: 1. Ppts 2. Ohp slides 3. Subjective type questions (appoximately 5 t0 8 in no) 4. Objective type questions (appoximately 20 to 30 in no) 5. Any simulations

10 1.8. Couse Review (By the concened Faculty): (i)aims (ii) Sample check (iii) End of the couse epot by the concened faculty GUIDELINES: Distibution of peiods: No. of classes equied to cove JNTU syllabus : 54 No. of classes equied to cove Additional topics : Nil No. of classes equied to cove Assignment tests (fo evey 2 units 1 test) : 4 No. of classes equied to cove tutoials : 2 No. of classes equied to cove Mid tests : 2 No of classes equied to solve Univesity Question papes : Total peiods 64

11 GEETHANJALI COLLEGE OF ENGINEERING & TECHNOLOGY CHEERYAL (V), KEESARA (M), R.R. DIST DEPARTMENT OF MECHANICAL ENGINEERING Time Pe Mon TE- I KOM CRT CRT MACHINE DRAWING MF&H LIB/MENT/CACHE/ Tue GS MF&HM/PT LAB M* SPORTS Wed Thu MF&H M PT PT M-II M-II TE- I KOM* GS MF&H M KOM Fi M-II PT* TE- I M-II* MF&H M Satu KOM KOM TE- I* GS LUNCH MF&HM/PT LAB MACHINE DRAWING MF&H M S.No Subject(T/P) Faculty Name Sub Code Pe/ Week 1 A * Poduction Technology M.K.Jitenda Reddy/Subbaao Pe 2 A * Kinematics of Machiney M.K.Raju/V Sandeepa Pe 3 A * Themal Engineeing - I M. P.Laxmi Reddy/B Bhaske Pe 4 A * Mechanics of Fluids and Hydaulic machines D. M. Devaiah/Rajenda Pe 5 A * Machine Dawing M. K. Vijay,B Shavan,M Mahipal Pe 6 A * Mathematics - II Ms.Molimol/M. N. Nagi Reddy Pe 7 Poduction Technology Lab M.K.Jitenda Reddy,M.T Suesh A Pe 8 Mechanics of Fluids and Hydaulic machines Lab D.M.Deviah,M. Rajenda A Pe 9 Gende sensitization M. CBN Muthy 3 Pe 10 CACHE Ms. Madhumathi 2 Pe 11 CRT M.Subbaao 2 Pe 12 Mentoing/Libay/Spots 2 Pe * Repesents Tutoial class PT M II

12 GEETHANJALI COLLEGE OF ENGINEERING & TECHNOLOGY CHEERYAL (V), KEESARA (M), R.R. DIST Yea/Sem/Sec: II B.Tech II-Sem Sec:B ROOM NO : LH 40 Acad Y : WEF: CLASS INCHARGE: M. P.Laxmi Reddy Time Peiod Monday M II MF&HM/PT LAB CRT CRT MF&HM* Tuesday LIB/MENT/CACHE/S GS TE I* PT KOM KOM PORTS Wednes day M II* M II* TE I MF&HM MF&HM/PT LAB Thusda y KOM PT M II MF&HM MACHINE DRAWING Fiday Satuda y MF&H M MACHINE DRAWING LUNCH TE I KOM* TE I MF&HM PT KOM GS GS M II S.No Subject(T/P) Faculty Name Subject Peiods/ Code Week 1 M.K.Jitenda Reddy/Subba A * Poduction Technology ao Peiods 2 A * Kinematics of Machiney M.K.Raju/sandeepa Peiods 3 M. P.Laxmi Reddy/U A * Themal Engineeing - I Seekanth Peiods 4 Mechanics of Fluids and A * Hydaulic machines D. M. Devaiah/Rajenda Peiods 5 M. K. Vijay/ M. Giish/G A * Machine Dawing Jagan Naik Peiods 6 M. N. Nagi A * Mathematics - II Reddy/Ms.Molimol Peiods 7 Ms.P Silatha/ M.K.Jitenda A Peiods Poduction Technology Lab Reddy 8 Mechanics of Fluids and A Peiods D. M. Devaiah/M. Nianjan Hydaulic machines Lab 9 Geneal Sensitization M C B N Muthy 3 Peiods 10 CACHE Ms.Madhumathi 2 Peiods 11 CRT M.Subbaao 2 Peiods 12 Libay/Spots 1 Peiods * Repesents Tutoial class PT*

13 GEETHANJALI COLLEGE OF ENGINEERING & TECHNOLOGY CHEERYAL (V), KEESARA (M), R.R. DIST DEPARTMENT OF MECHANICAL ENGINEERING INDIVIDUAL TIME TABLE Name of the faculty: K. VIJAY Load : 18 Rev: 0 w.e.f.: MON CSE-B(ED) MD(A) TUE WED THU MD(B) FRI MD(B) MD(A) SAT CSE-B(ED) SCOPE: 1. To povide in-depth knowledge in basic mechanisms 2. To lean the systematic way of solving poblems 3. To undestand the diffeent methods of obtaining a mechanism 4. To efficiently implement the solutions fo pactical poblems EVALUATION SCHEME: PARTICULAR WEIGHTAGE MARKS End Examinations 75% 75 Thee Sessionals 20% 20 Assignment 5% 5 TEACHER'S ASSESSMENT(TA)* WEIGHTAGE MARKS *TA will be based on the Assignments given, Unit test Pefomances and Attendance in the class fo a paticula student.

14 GEETHANJALI COLLEGE OF ENGINEERING & TECHNOLOGY CHEERYAL (V), KEESARA (M), R.R. DIST ASSIGNMENT QUESTIONS DEPARTMENT OF MECHANICAL ENGINEERING SUBJECT: MACHINE DRAWING 1. Daw the thead pofiles of squae thead and ACME thead. 2. Daw the Rag foundation bolt with D = 30mm. 3. Daw sectional font view and top view of single ow combined lap and butt joint with D = 20 mm of ivet. 4. Daw any fou types of machine and cap scews. 5. Daw sectional font view and ight side view of the potective flanged coupling with shaft dia as 30 mm. 6. Daw sectional font view and top view of the tiple iveted butt joint with double staps(zig zag type) with dia of Rivet as 18 mm. 7. Daw hexagonal headed bolt and nut with dia of bolt as 30 mm. 8. Daw two views of bushed types flanged coupling with D=30 mm. 9. Daw the sectional font view and top view of the double iveted double stap zig zag butt joint with dia of the ivet as 14 mm. 10. Daw sectional font view and ight side view of compession type as muff coupling with dia of shaft as 25mm. 11. Daw the sectional font view and top view of the double iveted double stap zig zag butt joint with dia of the ivet as 14 mm. 12. Sketch the schematic epesentation of theaded pats. a) V theads b) Squae theads. 13. Daw plan and sectional elevation of double iveted zig zag lap joint to join two plates of 10 mm thickness. 14. Daw popotionate diagam of Sleeve and cotte joint to connect two shafts of Ø 30mm.

15 15. The details of scew jack ae given in the figue. Daw the following assembled views: a) Half sectional font view b) Top view c) Side view

16 16. Daw the sectional top view and font view of the petol engine connecting od fom the given figue 4 and pat list.

17 17. Daw the sectional font view (left half in section) and ight side view of the assembled stuffing box fom the given figue 4 and pat list.

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