or Bek ast ites SaaS ceonrare ~ GREATER NOIDA INSTITUTE OF TECHNOLOGY ¢n: —— DEPARTMENT OF B. TECH FIRST YEAR (Workshop practice BWS-151/251 Fitting Shop EXPERIMENT No-2 21 Objective 2.2 Material Required 23 Tools Required 2.4 Procedure 2.5 Preea Application 2.7 Viva Questions ions 2.6, {Approved by AICTE, Delhi & Aifilated to Dr. APJ. Abdul Kalam Technical University, Lucknow) £ Plot No. 7. Knowledge Park-ll, Gredter Noida, Gautam Budah Nagar, Uttar Pradesh cover) $0120-2326214/15/16 | 1800274 6969 ex directoréigniotnetin @wwangriot rectaGni dex aver gWlege site diced (gahraten gectegE) 2 S2NLOT. GREATER NOIDA NSITUTE OF LG IBY (Enon. nsitte) ene — 2.1 Objective: -To make a male and female joint as per drawing in Fitting shop. 2.2 Material Required: - Mild steel plate of size 50 mm x 48 mmx 6 mm 2.3 Tools Required: -Bench vice, steel seae, try square, sriber, punch, hand hacksaw, files, hammer, twist drill ete, 60" or 90" see ‘ ‘Center punch = Prick punch ‘Typical prick and centro punch wont Beam Blade Cast base e ‘A surface plate ‘Try Square LLL i/o ge @ GIHIOT/AS/WORKSHOP/MANUAL NO (Approved by AICTE, Delhi & Affiliated to Dr. APJ. ? Plot No. 7, Knowledge Park-ll, Greater Noida, Abdul Kalam Technical University, Lucknow) ‘0120-2828214/15/16 | 1800 274 6969. Gautam Budah Nagar, Uttar Pradésh-201310 | directorétgniot.netin — @ wwwgnitnetisA fixed frame hacksaw ‘Common type f ball prom hammer and thelr pate @ 2.4 Procedure: - 1. Grip the given raw material in bench vice and file its broader face as well as adjacent narrow face. 2. Check their trueness and squareness with each other and ensure that they are at right angles. (Approved by AICTE, Dethi & Affiliated to Dr. A.PJ. Abdul Kalam Technical University, Lucknow) ®° Plot No. 7, Knowledge Park-ll, Groater Noida, Gautam Buddh Nagar, Uttar Pracesh- 20131 0 $0120-2528214/15/16 | 1800 274.6969 =X director@gniotinet.in www gniotnetinEG ufor 22 steer seetege ster tart camer sore) “=: GREATER NOIDA INSTITUTE OF TECHNOLOGY (Eno, institute) 3. Similarly, file other faces one by one, frequently testing their trueness and squareness with adjacent surface during the operation, 4. Thus, reduce the finished size of the piece to 50mm*48mm*Smm. 5. By means of the hacksaw, cut the finished piece after measuring appropriate length into two pieces A and B. 6. File and square up the cut surface of both pieces. 7. Apply wet chalk on one flat wide surface of each piece and let it dry up. 8. On piece A, mark a square slot and on B a similar projection with a scriber, try square and steel rule. 9. Make permanent marks along these lines with a hammer and center punch. 10.Drill the two small holes each in the pieces on a drilling machine using 10 mm drill bit. 'LRemove the excess material from both sides of the projected part ‘P” by sawing with hacksaw, leaving reasonable margin for filing and finishing the sawing surfaces, operation, keep on checking the trueness and squareness 12.During the of the surfaces being finished. 13.Check up all the dimensions of both the pieces once again before fitting. 14. Assembly the two pieces together by hand pressure to obtain the type of job. 2.5 Precautions: - 1. Abways adopt right tools and right procedure for every operation in fitting shop 2. Hold the job fully tight on vice. a (Approved by AICTE, Deihi & Aftilated to Dr. APJ. Abdul Kalam Technicat University, Lucknow) Plot No. 7, Knowledge Park-il, Greater Noida, Gautam Budgh Nagar, Uttar Pradesh-20131) $0120-2828214/15/16 | 1000274 6969 eB irectontgniotinelin SD wunugniotnetin oe. ye Mee Aya peter offer Merdeitat cept gem EIGNton AREATOUMOIUA THO TUITE OF TreHMOLooy, ties ead J Dotto Nack sawing and fling work by proper way. 4 Cheek right angle of all sides in cach step. & Remove bury on sharp comers and edges 20 Applications « These days smmall, medium and heavy industries are using automatic machines, But and finishing a bone and fitting work also plays a significant role for completing Job the desired accuracy, Most of semi-finished works can be accomplished with fairly of accuracy in a reasonable time through various kinds of quick vont deg machining operations, They’ stil require some minor operations to be performed to nish the job by hand, The term bench work denotes the production of an article by hand on the bench, 2.7 Viva Questions: - 1. What ate diferent types of hacksaws used in the fitting shop? Ans: Fixed tame hacksaw and adjustable 2. Name the different tiles used for fitting work, Ans: Single cut & double cut Mat file, triangular file, round file & half round tile, 4. Whieh tools are used in fitting shop? Ans: Hand hammer, hacksaw, bench vi drill bit ete, 4. What is the use of center punch? Ans: Center punch is used to mark on the surface of metal piece generally before drilling. S. What is the use of reamer? Ans: Reamer is used to finish previously drilled hole, 6. What is the fimetion of bench vice? 10 hold the workpi file, punch, seriber, try square, NX Amiiated 19 Dr. ARS. Abdul Kalam Toctiical University, Lucknow haut Chath Naga, Attar Prats 2000910 awctwerymatnet Bmw got et