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Lecture 3, Basic Mechanical Engineering
- 1. CASTING 16 asting on ho aldest manya daring9 Poue Thi proau ued to fmodus h Produd a tngl unit ating fincdh tensive app.bcaHon1 manyhuug The o Mtal a heasod and maltes auity CanJom PRINCIPLE OF CASTING: hen ouus int a mould teho Ahapehape ho deureo Catng A mata DULing i tho moald Cool it Aoldie, inviole Crystalizahon in He Cauting moculd H Cookung and and mohanilal opLAL serviG haraeteessteg. Ho auled and saioligr2s aLtng rom the moulad, cleanas and tehjecsed metal acauire Cetais mechanilal gom Temoved toreatmand neluary krowlod A utCeußus in hu tollowing aLua i Prepaahon Mould and paHesn a autg opAratons neu guifies Masa!. temp i pouring lkng Gi SolldiiCaton and tuhu aoling to com temp. tdo Dgecth and Inapechon ditten pe upon i Hatuad. G) Tes Paterns Thers Cuking PaD Ceueuy dopendlin and Mould (ry Tho p0 wung Tecbri
- 2. Casting 7 uikabiliky The RCilakilly hs Canbing opsaion to a given matial dap end Caxbng upon-i Tho medkng temperatw he joh and nocadod Mateiaal C The Aolubiliy and He chem Cal reacdhon he ob ad Motuld Masiab bfe The thermal Pooperie Auch aa Condeshity and -iuent alinva expanun boh tho mould and job materra CASTING ADVANTAGES OF PROCESS Carking tollotwng advantaglu ovee ohes manyachuing muthodh a) Caubing Povdeucu object in He tom a unglo veduting manactuing Cont Pielo , houu vexy Stmple and ha higk pod rase. vex (b Tho proCu be lauge / 7 oljecta an be maols whics C) Qu otherwa d) Han Caut parts dibicalt os CLeconouiCas fo mdug. do nof vegusre Rbsegiuont Pooceuing Cest machinug, Yhu ediuttg
- 3. peluantagu! Caurng Ren0 in ton Pre Cthu ooJuirg marmhctaug oAt Qrd hau high prod prdulu ohyech Cauktig Psottul i'mpl CczuPorg Eaenal, out wíh ho Ilow ecHo 0 Can Podulo Complon hof both interab ano) ker Cavi hu and pau hawirg Igulox Ceuves Exemalg laug, eauy mata objech wr Cauty whnd be n a a u c u b t c u l oHu and neCononiCa to Pre any He high P o d h ale hateua prapesrR Gvo ale Coung a hniah Many Cat and e n l u Clne dminukna tlean pauh do not ruse Auhreguent mcChdg e du Cn9 PovCaLLlrG manionas QCCuay and Auja nih acwees 2ard Caukr puluw i hof osluaUe Oma to itahcn in mary ai 2 w i 20m MatuaIL to on bti l s to moayFu seLt an Cokn
- 4. 2 GATING SySTEM pauag ony houph tnhich me Entu The Rnown Q Gakng or Gakng motulo avity System Sysrem Th main slomenh Y Gating Agrtem au Cyatog Th Baur 2) Smuu 3) Runnet 4) Zngate 5) Gate 6) Rise fouring Bauin a a tuond - shapad opinung above h ho pp yaG Cope man pupo Pouung baln Apu Tho t etabbnk popl loo yetem a apiolly Q Pasei hlo. a 2) SpruL- It verhcal openuig Cuually a he annet poung tubular) 4hooth Cape Zt ban to AD pne O gate 3) Runmi- The mclten metas Apu bau Caviy utually Carried 0m U RLa hrough a Pauae atouso a t cony calles h
- 5. 13 Tngate i An ngale an penig (uttall, tho hoizonfal) whrch Casri h metas o ho mould Cavity 5) Gate : paua ha timlly 7he gle Leaolu molten mefal metal 6'om ho zunnu The locafion and Ki z hs moculd Cavity auanged a t hay Con tns au gatu Caukng a a Ccnvttins igwd meal Ceih ho ate a oldficabron ate 6) Riaet- openlhg Cope to moLAo main puupoKA Cauttng olidfiu metas o h alud to Complniatetor ho shxintage.9 to aping genuasees geve a At eam othugau Fouing B SPstl fouring BaLun Riset SpruR CASTING Gate B: Spr Lwell SPw Ba ne Gae or Ingate 4ATING SysTEM