Views: 1156 Omuwandiisi: Site Editor Obudde bw'okufulumya: 2023-12-27 Ensibuko: Ekibanja
Mu nsi y’amakolero n’ebyuma, okufuula ebintu okukwatagana kye kisumuluzo. Awo omutindo gw’obuwuzi we guyingira. Ziringa amateeka g’engeri ebiwujjo ebiri ku bulooti gye bikwataganamu n’enkulungo eziri mu nut. Amateeka gano super important kubanga gakakasa nti ebitundu bikwata bulungi, era bisobola okukwata omulimu gwe bigendereddwa okukola nga tebimenya.
Ka tutandike nga tutegeera omutindo gwa thread kye guli. Mu ngeri ennyangu, zino ndagiriro eziraga enkula, obunene, n’okugumiikiriza kw’obuwuzi obukozesebwa mu bulooti, sikulaapu, ne mu ntanga. Zilowoozeeko ng’ekitabo ky’enkola y’okukola obuwuzi obukwatagana obulungi. Omutindo guno gukakasa nti ekisumuluzo okuva mu kkampuni emu kijja kuyingira mu nut okuva mu ndala, okukuuma n’obutuufu mu obutakyukakyuka makolero ag’enjawulo.
Omutindo gw'obuwuzi gukola kinene nnyo mu nsi ebintu n'okukanika . y'okukola Bano be bazira abataayimbibwa mu kukuŋŋaanya buli kimu okuva ku bitundu by’amasannyalaze ku circuit board okutuuka ku nsengeka ennene ez’omubiri gw’ennyonyi. Mu makolero nga okukola mmotoka , ebyuma by'ennyonyi , ne wadde eby'omu bwengula , omutindo guno gukakasa nti buli kisumuluzo , ekisiba ne sikulaapu , n'ekitundu ky'ebyuma bikwatagana amangi n'amaanyi bulungi . Kino kikulu nnyo si kutondawo kuyungibwa kunywevu kwokka wabula n’okukuuma obutebenkevu n’obukuumi bw’ebintu .
Kati, ka tukole olugendo olw’amangu wansi mu history lane. Enkola ya Unified Thread Standard (UTS) yajja mu nkola ng’engeri y’okwanguyiza n’okussa omutindo ku wuzi za sikulaapu mu Amerika ne Canada. Nga UTS tennabaawo, waaliwo emitendera gy’obuwuzi mingi, nga kino kyali kitabula nnyo. UTS yaleeta buli omu ku muko gumu n’ebika bibiri ebikulu: Unified National Coarse (UNC) ne Unified National Fine (UNF) ..
l UNC Threads : Zimanyiddwa olw’obuzito bwazo obunene , obuwuzi buno birungi nnyo mu kukozesebwa okwa bulijjo. Zino nnyangu okuzikola n’okuzikwata, ekizifuula eky’okulonda ekimanyiddwa ennyo mu makolero ageetaaga eby’okusiba ebisobola okugumira situleesi y’okusika omuguwa n’embiro z’okukyusakyusa.
l UNF Threads : Zino zirina eddoboozi eddungi , eziwa amaanyi n’obutuufu amangi . Zitera okukozesebwa mu nkola nga aerospace and precision instruments , nga buli milimita ebalwa.
Obuwuzi bwa UNC ne UNF bwombi bugwa wansi wa Unified Screw Thread Series , nga eno eringa famire ennene ey’obuwuzi bwa sikulaapu obukoleddwa okukola mu kukwatagana.
Okusobola okukuba ekifaananyi, teebereza ekifaananyi kya Screw Thread Chart . Ekipande kino kiraga obunene bwonna n’ebika by’obuwuzi wansi wa UTS, omuli obuwuzi obuyitibwa Unified coarse pitch threads ne Unified fine pitch threads . Kikozesebwa bayinginiya n'abakola ebintu bye bagendako okukola okulonda obuwuzi obutuufu ku nkola zaabwe entongole.
Mu nkola, omutindo gw’obuwuzi guli emabega w’empenda kumpi mu buli kintu eky’ebyuma. Okugeza, mu byuma eby’amasannyalaze , obutuufu bw’obuwuzi bwa UNF bukakasa nti bikwatagana bulungi . ebitundu In larger applications, like in automobiles or aircraft , obuwuzi bwa UNC buyamba mu kuzimba ebitundu bya chassis ebigumu n’ebitundu bya yingini.
Okutegeera omutindo gw’obuwuzi naddala enjawulo wakati wa UNF ne UNC , kikulu nnyo. Si kukola bitundu bibiri byokka nga bikwatagana; kikwata ku kulaba ng'obukuumi , bwesigika , n'obulungi . Whether it's a high precision task in aerospace or a general assembly in mechanical engineering , ekika ky'obuwuzi ekituufu ka kibeere UNF oba UNC - kisobola okuleeta enjawulo yonna mu kukola n'obuwangaazi - bw'ekintu. Mu bufunze, omutindo gwa thread nga UNF ne UNC wansi wa Unified Thread Standard gwe musingi mu kutondawo ebintu ebyesigika era ebitaliiko bulabe. Bakakasa nti buli kimu okuva ku sikulaapu esinga obutono mu circuit board okutuuka ku bulooti esinga obunene mu nnyonyi kituuka ku mulimu, nga bawa amaanyi ageetaagisa , precision , n’okuziyiza okwetaagisa mu nkola ez’enjawulo.
Omutindo gwa Unified Thread Standard (UTS) gulinga ekitabo ky’amateeka ku thread ezikozesebwa mu North America. Kye kikakasa nti sikulaapu okuva mu kifo ekimu eyingira mu nut okuva mu kifo ekirala. Omutindo guno gukulu nnyo mu makolero nga aerospace , automotive manufacturing , era ne mu byuma eby’amasannyalaze.
UTS erina ebitundu bisatu ebikulu:
1. Thread Form : Eno y’enkula y’obuwuzi. Kilowoozeeko ng’omusono oguli ku bulooti oba ku sikulaapu. Kikulu nnyo kubanga kye kisalawo engeri ebitundu bibiri gye binaakwataganamu.
2. Series : Kino kikwata ku bika by'obuwuzi eby'enjawulo. Mu UTS, waliwo emisinde ebiri emikulu - Unified National Coarse (UNC) ne Unified National Fine (UNF). Coarse series (UNC) erina obuwuzi obutono buli yinsi, ate fine series (UNF) erina obuwuzi obusingako. Enjawulo eno ekosa engeri omukago gye gunaaba ogw’amaanyi n’okunywevu.
3. Classes of Fit : Kino kiringa level ya snugness wakati w'obuwuzi. Kikwata ku ngeri gye zinywezeddwa oba ezisumuluddwa. Waliwo kiraasi eziwerako, nga buli emu esaanira okukozesebwa okw’enjawulo.
Mu North America, UTS eri buli wamu. Laba engeri gye kikozesebwamu:
l Enkola y’okukola ebintu : Amakampuni gakozesa UTS okukola ebintu ebya buli ngeri. Okuva ku circuit board entonotono okutuuka ku ennene bitundu bya yingini y’ennyonyi .
l Precision Instruments : Mu gadgets n'ebyuma ebyetaaga super high precision , nga mu byuma by'ennyonyi oba eby'ennyonyi , UTS eyamba mu kukola ebitundu ebikwatagana obulungi.
l Yinginiya w’emmotoka n’ebyuma : Emmotoka, loole, n’ebyuma n’ebyuma mu makolero byetaaga ebitundu ebikwatagana obulungi. UTS ekola kino okubaawo, ka kibeere ku bitundu bya yingini , ebitundu bya chassis , oba wadde ensengekera z’omubiri.
l Ebitundu by’Ebyuma : Mu byuma ebitonotono, UTS nayo ekola kinene. Ekakasa nti obuuma mu obutono bwonna obusibuka bitundu by’ebyuma bikwatagana bulungi.
Teebereza ng’ozimba roboti. Okwetaaga obuuma ne sikulaapu ebijja okugikwata obulungi. Wandironze eya UNC oba UNF thread entuufu okusinziira ku robot ky'egenda okukola. Kinaaba kyetaagisa okugumira situleesi nnyingi ez'okukankana ? Oba kyetaaga okuba nga ddala kituufu? UTS ekulungamya mu kusalawo kuno.
UTS eringa olulimi abakola ebintu bonna mu North America lwe boogera. Kikwata ku kukakasa nti buli kimu kikwatagana bulungi, ka kibeere ka sikulaapu akatono mu ssimu oba akalulu akanene mu nnyonyi. Omutindo guno gukuuma ebintu nga tebirina bulabe, nga binywevu era nga bikola bulungi.
Ka tubuuke mu UNF Threads , ezimanyiddwa olw'okuyimba kwazo okwa Unified Fine Pitch . Threads zino be bayimbi abalina detailed mu nsi ya threads. Zirina obuwuzi bungi buli yinsi okusinga obuwuzi bwa UNC , ekitegeeza nti zisingako bulungi era nga zikwatagana nnyo. Dizayini eno ennungi si ya kwolesa kwokka; byonna bikwata ku precision.
UNF threads ze go-to choice mu scenarios nga high precision n’amaanyi bye bikulu. Laba wano we baaka:
l Eby’omu bwengula : Mu nnyonyi n’eby’omu bwengula, buli kitundu ekitono kikulu. Wano obuwuzi bwa UNF bukozesebwa olw’obutuufu bwabwo.
l Ebikozesebwa Ebituufu : Lowooza ku byuma ebiri mu laabu oba ebikozesebwa mu by’obujjanjabi. Threads za UNF ziyamba gadgets zino okubeera entuufu era nga zeesigika.
l Okukola mmotoka : Mu mmotoka naddala mu bitundu bya yingini n’ebitundu by’ebyuma , obuwuzi bwa UNF buwa fit entuufu eyeetaagisa.
l Ebyuma by’amasannyalaze : Ne mu circuit boards entono , obuwuzi bwa UNF bukulu okukuuma buli kimu nga kiyungiddwa bulungi.
Bwe twogera ku bipimo by’obuwuzi bwa UNF, tutunuulira Screw Thread Chart . Ekipande kino kiraga obunene bwonna - dayamita, eddoboozi, n'obuwanvu. Dyaamu y’obuwuzi bwa UNF esobola okuva ku butono ennyo okutuuka ku bunene ennyo, naye ekisumuluzo ye ddoboozi eddungi - obuwuzi obusingawo mu buli yinsi ya sikulaapu.
Mu nsi y’amakolero ag’omulembe, obuwuzi bwa UNF bulinga VIP. Bawaayo:
l Amaanyi amangi : Olw’eddoboozi lyazo eddungi, zisobola okukwata emigugu n’okunyigirizibwa ebisingawo.
l Okuyungibwa okunywevu : Obuwuzi obusingawo kitegeeza okukwata okunywevu. Kino kikulu nnyo mu bitundu ebitalina kusumululwa naddala nga bikankana.
l Precision : Nga obuwuzi bungi, emikisa gy’okutambula oba obutakwatagana mitono. Kino kyetaagisa nnyo mu bikozesebwa ebituufu n’ebyuma ebikozesebwa mu by’omu bwengula.
Teebereza ng’okuŋŋaanya ennyonyi ekika kya drone ey’omulembe. Buli kitundu kyetaaga okutuuka obulungi. Obuwuzi bwa UNF bukuyamba okusikula buli kitundu mu ngeri entuufu, okukakasa nti ennyonyi eno enywevu era yeesigika.
Obuwuzi bwa UNF ANSI B1.1
| Obuwanvu obukulu (mu) | Obuwuzi buli yinsi (tpi) | Obuwanvu obukulu (mu) | Obuwanvu obukulu (mm) | Sayizi y’ekyuma ekikuba taapu (mm) | Eddoboozi (mm) |
|---|---|---|---|---|---|
| #0 - 80 | 80 | 0.060 | 1.524 | 1.25 | 0.317 |
| #1 - 72 | 72 | 0.073 | 1.854 | 1.55 | 0.353 |
| #2 - 64 | 64 | 0.086 | 2.184 | 1.90 | 0.397 |
| #3 - 56 | 56 | 0.099 | 2.515 | 2.15 | 0.453 |
| #4 - 48 nga bwe kiri | 48 | 0.112 | 2.845 | 2.40 | 0.529 |
| #5 - 44 | 44 | 0.125 | 3.175 | 2.70 | 0.577 |
| #6 - 40 | 40 | 0.138 | 3.505 | 2.95 | 0.635 |
| #8 - 36 | 36 | 0.164 | 4.166 | 3.50 | 0.705 |
| #10 - 32 | 32 | 0.190 | 4.826 | 4.10 | 0.794 |
| #12 - 28 nga bwe kiri | 28 | 0.216 | 5.486 | 4.70 | 0.907 |
| 1/4' - 28. Omuntu w'abantu | 28 | 0.250 | 6.350 | 5.50 | 0.907 |
| 5/16' - 24 nga bwe kiri | 24 | 0.313 | 7.938 | 6.90 | 1.058 |
| 3/8' - 24. Ebitundu | 24 | 0.375 | 9.525 | 8.50 | 1.058 |
| 7/16' - 20 nga bwe kiri | 20 | 0.438 | 11.112 | 9.90 | 1.270 |
| 1/2' - 20 | 20 | 0.500 | 12.700 | 11.50 | 1.270 |
| 9/16' - 18 nga bwe kiri | 18 | 0.563 | 14.288 | 12.90 | 1.411 |
| 5/8' - 18. Ebitundu 18 | 18 | 0.625 | 15.875 | 14.50 | 1.411 |
| 3/4' - 16. Omuntu w'abantu | 16 | 0.750 | 19.050 | 17.50 | 1.587 |
| 7/8' - 14 | 14 | 0.875 | 22.225 | 20.40 | 1.814 |
| 1' - 12 | 12 | 1.000 | 25.400 | 23.25 | 2.117 |
| 1 1/8' - 12. Omuntu w'abantu | 12 | 1.125 | 28.575 | 26.50 | 2.117 |
| 1 1/4' - 12. Omuntu w'abantu | 12 | 1.250 | 31.750 | 29.50 | 2.117 |
| 1 3/8' - 12. Ebitundu 12 | 12 | 1.375 | 34.925 | 32.75 | 2.117 |
| 1 1/2' - 12. Omuntu w'abantu | 12 | 1.500 | 38.100 | 36.00 | 2.117 |
Mu bufunze, emiguwa gya UNF gyonna gikwata ku bujjuvu n’obutuufu. Bano be bazira abataayimbibwa mu bintu bingi ebya tekinologiya ow’awaggulu n’eby’okunyigirizibwa, okuva ku buziba bw’obwengula mu nnyonyi y’omu bwengula okutuuka ku bitundu ebikulu ebya yingini y’emmotoka ekola obulungi. Eddoboozi lyazo eddungi n’amaanyi gazo ag’ekika ekya waggulu bizifuula ezitali za bulijjo mu nsi y’okukuŋŋaanya mu ngeri entuufu n’okukola ebintu eby’omulembe.
Obuwuzi bwa UNC butegeeza obuwuzi bwa Unified National Coarse . Balowoozeeko ng’ekika ekigumu, ekyesigika mu maka g’obuwuzi. Zirina obuwuzi obutono buli yinsi bw’ogeraageranya n’obuwuzi bwa UNF , ekitegeeza nti buba bunene. Obukalu buno si buzibu; mu butuufu kibeera plus kinene mu mbeera nnyingi.
Obuwuzi bwa UNC buyingira wa? Laba wano okutunula amangu:
l Okuzimba : Mu bizimbe n’ebibanda, obuwuzi bwa UNC butuukira ddala okukwata ebintu ebizito wamu.
l Ebyuma ebya bulijjo : Mu byuma ebiteetaaga super fine precision, nga mu bitundu ebimu eby’emmotoka oba ebyuma ebinene, obuwuzi bwa UNC bukola bulungi omulimu.
l Ebintu Ebikozesebwa : Ebintu bye tukozesa buli lunaku, ng’ebintu by’omu nnyumba oba ebyuma by’omu nnyumba, bitera okuba n’obuwuzi bwa UNC obubikuuma nga wamu.
Obuwuzi UNC bumanyiddwa olw’ebintu bibiri: amaanyi n’okugumiikiriza bwa .
l Amaanyi : Zinywevu nga zisobola okukwata ebizimbe ebinene, y’ensonga lwaki oziraba mu kuzimba n’ebyuma ebizito.
l Okugumiikiriza : Zisonyiwa nnyo okusinga obuwuzi obulungi. Kino kitegeeza nti zisobola okukwata obucaafu, okwonooneka, era nnyangu okusikula n’okusumulula, ekintu ekirungi ennyo mu mbeera ezitali nnungi.
Bwe kituuka ku kukola ebintu n’obuwuzi bwa UNC, waliwo ensonga ntono z’olina okwetegereza:
l Obwangu bw’okukola : Nnyangu era mangu okukola okusinga obuwuzi obulungi. Kino kikulu nnyo ng’okola enkumi n’enkumi za sikulaapu oba obuuma.
l Ekendeeza ku ssente : Olw’okuba nnyangu okukola, zitera okugula ssente entono. Kino kikulu mu bintu nga weetaaga ebisiba bingi naye nga teweetaaga super fine precision.
l Okukola ebintu bingi : Zikola ebintu bingi. Osobola okukozesa obuwuzi bwa UNC mu bintu eby’enjawulo, okuva ku byuma ebizito okutuuka ku bintu ebya bulijjo.
Obuwuzi bwa UNC okusinziira ku ANSI B1.1
| Obuwanvu obukulu (mu) | Obuwuzi buli yinsi (tpi) | Obuwanvu obukulu (mu) | Obuwanvu obukulu (mm) | Sayizi ya Tap Drill (mm) | Pitch (mm) |
|---|---|---|---|---|---|
| #1 - 64 | 64 | 0.073 | 1.854 | 1.50 | 0.397 |
| #2 - 56 | 56 | 0.086 | 2.184 | 1.80 | 0.453 |
| #3 - 48 | 48 | 0.099 | 2.515 | 2.10 | 0.529 |
| #4 - 40 nga bwe kiri | 40 | 0.112 | 2.845 | 2.35 | 0.635 |
| #5 - 40 | 40 | 0.125 | 3.175 | 2.65 | 0.635 |
| #6 - 32 | 32 | 0.138 | 3.505 | 2.85 | 0.794 |
| #8 - 32 | 32 | 0.164 | 4.166 | 3.50 | 0.794 |
| #10 - 24 nga bwe kiri | 24 | 0.190 | 4.826 | 4.00 | 1.058 |
| #12 - 24 nga bwe kiri | 24 | 0.216 | 5.486 | 4.65 | 1.058 |
| 1/4' - 20. Omuntu w'abantu | 20 | 0.250 | 6.350 | 5.35 | 1.270 |
| 5/16' - 18 nga bwe kiri | 18 | 0.313 | 7.938 | 6.80 | 1.411 |
| 3/8' - 16 | 16 | 0.375 | 9.525 | 8.25 | 1.587 |
| 7/16' - 14 nga bwe kiri | 14 | 0.438 | 11.112 | 9.65 | 1.814 |
| 1/2' - 13 | 13 | 0.500 | 12.700 | 11.15 | 1.954 |
| 9/16' - 12. Omuntu w'abantu | 12 | 0.563 | 14.288 | 12.60 | 2.117 |
| 5/8' - 11 | 11 | 0.625 | 15.875 | 14.05 | 2.309 |
| 3/4' - 10 | 10 | 0.750 | 19.050 | 17.00 | 2.540 |
| 7/8' - 9 | 9 | 0.875 | 22.225 | 20.00 | 2.822 |
| 1' - 8 | 8 | 1.000 | 25.400 | 22.85 | 3.175 |
| 1 1/8' - 7 | 7 | 1.125 | 28.575 | 25.65 | 3.628 |
| 1 1/4' - 7 | 7 | 1.250 | 31.750 | 28.85 | 3.628 |
| 1 3/8' - 6 | 6 | 1.375 | 34.925 | 31.55 | 4.233 |
Obuwuzi bwa UNC bulinga embalaasi ez’emirimu ezesigika ez’ensi y’obuwuzi. Bayinza obutaba na birungi bya wuzi za UNF, naye babikola n’amaanyi gaabwe, okugumiikiriza, n’okukola ebintu bingi. Okuva ku kukuuma ebizimbe ebiwanvu nga biyimiridde okutuuka ku kukakasa nti emmeeza yo ey’omu ffumbiro nnywevu, obuwuzi bwa UNC kitundu kikulu nnyo mu bintu ebya bulijjo n’ebizimbe ebinene.
Bwe tutunuulira obuwuzi bwa UNF (Unified National Fine) ne UNC (Unified National Coarse) , ebintu ebikulu ebisinga okulabika ddoboozi n’amaanyi ye .
l Eddoboozi : Obuwuzi bwa UNF bulina eddoboozi erisingako obulungi, ekitegeeza nti buli yinsi buwuzi bungi. Obuwuzi bwa UNC buba bukalu nga buli yinsi buwuzi butono.
l Amaanyi : Eddoboozi ery’obuwuzi bwa UNF erisingako obulungi liziwa amaanyi mangi mu kusika omuguwa. Zisobola okukwata amaanyi amangi nga tezikutuse bw’ogeraageranya n’obuwuzi bwa UNC.
Okulonda wakati wa threads za UNF ne UNC kisinziira ku kifo we zinaakozesebwa.
l UNF Threads : Kirungi nnyo mu nkola ezeetaaga obutuufu n’amaanyi amangi, nga mu bikozesebwa mu bwengula oba ebituufu.
l UNC Threads : Esinga kukwatagana n’okuzimba okwa bulijjo n’ebintu nga precision tezikulu nnyo, naye okuwangaala n’obwangu okukozesa bikulu.
Okwesiba kintu kinene mu mbeera ng’okukankana kuyinza okusumulula obuwuzi.
l UNF Threads : Eddoboozi lyazo eddungi liwa obusobozi obulungi obw’okwesiba, ekizifuula ezisaanira embeera ezikankana ennyo ng’ennyonyi oba ebyuma.
l UNC Threads : Wadde nga zisobola okwesiba, eddoboozi lyazo erisingako obunene lizifuula ezitali nnungi katono mu nsonga eno bw’ogeraageranya n’obuwuzi bwa UNF.
Okusiba n’amaanyi g’okusika bikulu nnyo mu kuzuula ekika ky’obuwuzi ekituufu.
l UNF Threads : Ziwa amaanyi g’okusika amalungi olw’obuwanvu bwazo obulungi, ekisobozesa okuyungibwa okunywevu era okw’amaanyi.
l UNC Threads : Eddoboozi lyazo erisingako obunene lizifuula ezitasaanira nnyo ebyetaago by’amaanyi amangi, naye zikyakola nnyo ku mirimu mingi.
Densite y’obuwuzi buli yinsi nsonga nkulu mu kukola.
l UNF Threads : Obuwuzi obusingako kitegeeza obuwuzi obulungi, ekivaako okukwatagana okunywevu era okutuufu.
l UNC Threads : Okukendeeza ku density y’obuwuzi ng’olina obuwuzi obukalu, obwangu okukwata n’okukola naddala mu bungi.
Teebereza ekipande ky'obuwuzi bwa sikulaapu . Ekipande kino kyandiraze engeri obuwuzi bwa UNF gye bupakibwa okumpi n’omuwendo gw’obuwuzi obusingako buli yinsi, ate obuwuzi bwa UNC bulina ebanga eddene wakati w’obuwuzi.
okulonda wakati w'obuwuzi bwa UNF ne UNC kufumbira wansi ku byetaago ebitongole eby'okukozesa. Obuwuzi bwa UNF, n’eddoboozi lyazo eddungi, buwa amaanyi aga waggulu n’obutuufu, ekirungi ennyo mu mbeera za tekinologiya ow’awaggulu n’ezirimu situleesi ey’amaanyi. Ate obuwuzi bwa UNC buwa obwangu bw’okukozesa n’okukola, ekigifuula ezisaanira okuzimba okwa bulijjo n’ebintu ng’obutuufu obw’amaanyi si bukulu nnyo. Ebika byombi birina ebirungi byabyo eby’enjawulo, ekibifuula ebyetaagisa mu ngeri gye bikozesebwamu.
Ebisooka okusooka, okupima obuwuzi obulungi, weetaaga ebikozesebwa ebituufu. Ebisinga okumanyibwa bye bino:
l Calipers : Ebikozesebwa bino bipima dayamita ey’ebweru ey’obuwuzi. Balinga abafuzi ab’omulembe abasobola okukubuulira ddala obunene bw’obuwuzi.
l Thread Gauges : Zino ziringa templates za threads. Okwataganya wuzi ku gaagi okuzuula obunene bwayo n’obuwanvu bwayo.
Okuzuula oba thread ye UNF oba UNC kyangu n'emitendera gino:
1. Pima Diameter : Kozesa calipers okupima diameter ey’ebweru ey’obuwuzi. Kino kikutegeeza engeri gye kigazi.
2. Bala Obuwuzi : Bala omuwendo gw’obuwuzi mu buwanvu bwa yinsi emu. Wano w’olaba enjawulo – obuwuzi bwa UNF bujja kuba n’obuwuzi bungi buli yinsi okusinga UNC.
3. Kozesa Thread Gauge : Gyaanyisa thread ne thread gauge. Gaagi ejja kukakasa eddoboozi n’okumanya oba UNF (fine) oba UNC (coarse).
4. Kebera Chart : Osobola okutunuulira Screw Thread Chart okusobola okugeraageranya amangu. Ekipande kino kiraga obuwuzi bwombi obwa UNF ne UNC n’eddoboozi n’obuwanvu bwabyo.
Okufuna ebipimo ebituufu kikulu nnyo. Wano waliwo obukodyo:
l Okwoza Obuwuzi : Nga tonnapima, kakasa nti obuwuzi buyonjo. Obucaafu busobola okutabula ebipimo byo.
l Pima Emirundi Emiwerako : Okwewala ensobi, pima emirundi ebiri oba esatu otwale average.
l Kozesa Ebikozesebwa Eby’Omutindo Omulungi : Teeka ssente mu kalifuuwa n’ebipima eby’omutindo ogwa waggulu okusobola okupima obulungi.
l Sigala ng’onywedde : Bw’oba opima, kwata ebikozesebwa byo nga binywevu okwewala okuseerera n’okufuna okusoma okukyamu.
Bw’oba okola ku pulojekiti, okumanya oba okukozesa obuwuzi bwa UNF oba UNC kiyinza okukola oba okumenya omulimu gwo. Okupima n’okuzuula obulungi obuwuzi buno kikakasa nti ebisiba byo bikwatagana bulungi, ka kibe nti ozimba ekitundu ky’omu nnyumba, oddaabiriza mmotoka oba n’okukuŋŋaanya ebitundu by’omu bwengula. Ebipimo ebirungi bivaamu okuyungibwa okunywevu, okutebenkevu, era okutali kwa bulabe mu kyonna ky’okola oba ky’oddaabiriza.
Obuwuzi bwa UNF (Unified National Fine) bulinga abakugu mu by’obuwuzi obutuufu mu nsi y’obuwuzi. Wano we basibuka ddala:
l Aerospace and Aviation : Mu nnyonyi ne mu bwengula, buli kitundu ekitono kiteekwa okuba nga kituukiridde. Obuwuzi bwa UNF bukozesebwa mu bitundu bya yingini n’ensengeka y’omubiri olw’obutuufu bwabwo obw’amaanyi.
l Okukola mmotoka : Mu mmotoka naddala mu bitundu ebisinga okubeera ebizibu ng’ebitundu by’ebyuma , obuwuzi bwa UNF buwa okukwatagana okutuufu okwetaagisa.
l Ebyuma by’amasannyalaze : Ku gadgets n’ebyuma, nga buli milimita ebalibwa, obuwuzi bwa UNF bwetaagisa nnyo olw’obutuufu bwabyo n’okuyungibwa okunywevu.
Bwe kituuka ku kukola ebisiba bingi mu bwangu era mu ngeri ennungi, obuwuzi bwa UNC (Unified National Coarse) bwe bugenda:
l Okuzimba : Mu bizimbe n’ebizimbe, obuwuzi bwa UNC bukozesebwa mu bulooti ne sikulaapu olw’amaanyi gaabyo n’obwangu okukozesa.
l Ebyuma ebya bulijjo : Ku byuma ebyetaaga ebisiba ebigumu era ebyesigika, obuwuzi bwa UNC buwa bbalansi entuufu ey’amaanyi n’obwangu bw’okukwata.
Buli kika kya wuzi kirina amaanyi gaakyo amanene eri amakolero ag’enjawulo:
l UNF Threads : Mu bikozesebwa ebituufu n’eby’omu bwengula , nga buli kantu kakulu, obuwuzi bwa UNF bwetaagibwa nnyo olw’amaanyi gaago n’obutuufu aga waggulu .
l Obuwuzi bwa UNC : Mu makolero ng’okuzimba n’ebyuma ebizito, ng’ebisiba byetaaga okuba ebikalu era nga byesigika, obuwuzi bwa UNC bwe businga okwagalibwa.
Okukola n'obuwuzi si kyangu bulijjo. Wano waliwo okusoomoozebwa:
l Obutuufu mu byuma : Okukola obuwuzi bwa UNF kyetaagisa obutuufu obw'amaanyi mu byuma bya CNC . Ensobi entonotono esobola okuleeta enjawulo nnene.
l Enkwata n’okukuŋŋaanya : Obuwuzi bwa UNC, olw’okuba bukaluba, bwangu okukwata naye bulina okukolebwa n’obwegendereza mu kyuma okukakasa nti bukwatagana bulungi mu bifo ebikalu.
l Okulonda ebintu : Okulonda ebintu ebikozesebwa mu wuzi zombi eza UNF ne UNC kikulu nnyo. It affects the thread's strength , stability , n'okuziyiza situleesi .
Ka kibeere okukozesa obuwuzi bwa UNF mu mu by’amasannyalaze mu ngeri entuufu n’ebyuma ebikozesebwa bitundu by’omu bwengula oba obugumu bw’obuwuzi bwa UNC mu kuzimba n’ebyuma, byombi bikola emirimu emikulu mu mirimu gyabyo. Okutegeera enkozesa yaabwe entongole n’okusoomoozebwa kiyamba mu kulonda obuwuzi obutuufu ku buli nkola ey’enjawulo, okukakasa obulungi n’obukuumi bw’ekintu ekisembayo.
Okulonda ekika ky’obuwuzi ekituufu – UNC oba UNF – kikulu nnyo. Bino by'olina okulowoozaako:
1. Ebyetaago by'okukozesa : Okola ku kintu ekyetaaga obutuufu obw'amaanyi, ng'ekitundu ky'ennyonyi ? Genda ku UNF. Ku kuzimba okwa bulijjo, UNC y’esinga okukuyamba.
2. Ebyetaago by’amaanyi : Obuwuzi bwa UNF buwa amaanyi mangi olw’eddoboozi lyazo eddungi, ekizifuula ennungi ennyo mu kukola emirimu egy’okunyigirizibwa ennyo.
3. Embeera y’okukuŋŋaanya : Singa obutonde butera okwonooneka oba okwonooneka, obuwuzi bwa UNC obukalu buba busonyiwa nnyo.
4. Obusobozi bw'okukola : Olina ebyuma ebikola obuwuzi bwa UNF obutuufu? Bwe kitaba bwe kityo, UNC eyinza okuba ey’omugaso ennyo.
Buli mulimu gulina by’eyagala:
l Eby’omu bbanga : UNF etera okukozesebwa olw’obutuufu bwayo obw’amaanyi n’amaanyi gaayo.
l Okuzimba : UNC esinga kwettanirwa olw’obugumu bwayo n’obwangu okukozesa.
l Emmotoka : Bitabuddwamu byombi, okusinziira ku kitundu ekikolebwa.
Okufuna okugatta obulungi kye kisumuluzo:
l Kebera Okukwatagana : Bulijjo kakasa nti ekika ky’obuwuzi bwa bulooti kikwatagana n’ekya nut. Boluti ya UNF yeetaaga nut ya UNF.
l Laba ekipande kya Screw Thread Chart : Ekipande kino kiyamba mu kukwataganya obuwuzi mu butuufu, okulaga eddoboozi n’obungi bw’obuwuzi.
l Lowooza ku Bikozesebwa : Ebintu ebikozesebwa mu bulooti ne nut birina okukwatagana okusobola okuyungibwa okunywevu.
Ka tugambe nti okuŋŋaanya ekitundu ky’ebyuma eby’amasannyalaze. Oboolyawo wandironze obuwuzi bwa UNF olw'eddoboozi eddungi n'obutuufu lyazo . Ate bw’oba ozimba ekisenge ky’ebitabo, obuwuzi bwa UNC bwandibadde butuukira ddala ku maanyi gaago n’obwangu bw’okukwata.
Okulonda wakati wa UNC ne UNF threads kijja wansi ku kutegeera ebyetaago ebitongole ebya pulojekiti yo, omutindo gw’amakolero, n’okukakasa okukwatagana kw’ebitundu byonna ebikwatibwako. Ka kibeere bikozesebwa ebituufu ebigonvu oba ebikozesebwa mu kuzimba ebigumu, ekika ky’obuwuzi ekituufu kikakasa g’obutebenkevu , amaanyi , n’obuwanguzi okutwalira awamu obw’okukuŋŋaanya kwo.
Nga bwe tufundikira, ka tujjukire emirimu emikulu egy’obuwuzi bwa UNF ne UNC mu makolero ag’enjawulo. Obuwuzi buno, wadde nga buyinza okulabika ng’obutono, bukulu nnyo mu kukakasa obukuumi, obutuufu, n’enkola y’emirimu egitabalika.
l UNF Threads : Eddoboozi lyazo eddungi lizifuula ennungi ennyo mu kukola emirimu egy’obutuufu obw’amaanyi n’amaanyi egyetaagisa nga mu eby’omu bwengula , bikozesebwa ebituufu , n’okukola mmotoka.
l Obuwuzi bwa UNC : Obuwuzi buno bumanyiddwa olw’obuzito obunene, bwetaagisa nnyo mu kuzimba, ebyuma ebizito, n’ebintu ebya bulijjo olw’obwangu bw’okukozesa n’obugumu.
Okulonda thread entuufu – UNF oba UNC – kijja wansi ku:
l Okutegeera Enkozesa : Ebyetaago ebitongole ebya pulojekiti yo, ka bibeere bya butuufu oba bya maanyi, bijja kukulungamya okulonda kwo.
l Omutindo gw’amakolero : Okumanya enkuŋŋaana z’amakolero kiyamba mu kusalawo mu ngeri ey’amagezi.
l Okukwatagana : Okukakasa nti obuwuzi, obuuma, n’obutambi bw’olonze bikwatagana kikulu nnyo okusobola okukuŋŋaanya obulungi.
Threads ziyinza okuba entono, naye impact yazo nnene nnyo. Okuva ku nnyonyi ezitubuuka waggulu okutuuka ku byuma by’amasannyalaze bye tukozesa buli lunaku, obuwuzi bwa UNF ne UNC bukwata ensi yaffe. Kale omulundi oguddako ng’okola pulojekiti, lowooza ku bazira bano abatonotono. Okulonda kwo wakati wa UNF ne UNC kuyinza okuleeta enjawulo yonna mu maanyi, obutuufu, n’obuwangaazi bw’obutonde bwo.
Q: Njawulo ki eriwo wakati wa threads za UNF ne UNC?
A: Obuwuzi bwa UNF busingako obulungi; Obuwuzi bwa UNC buba bunene. UNF erina obuwuzi bungi buli yinsi. UNC esinga kubeera mu nkozesa eya bulijjo.
Q: Ddi lwe nsaanidde okukozesa obuwuzi bwa UNF ku buwuzi bwa UNC?
A: Kozesa UNF okusobola okufuna tension ennungi n’okutereeza obulungi. UNF esinga kwettanirwa mu nkola ezeetaaga obutuufu obw’ekika ekya waggulu.
Q: Npima ntya eddoboozi ly’obuwuzi ku buwuzi bwa UNF ne UNC?
A: Kozesa ekipima obuwuzi okubala obuwuzi buli yinsi. Pima ebanga wakati w’obuwuzi okuva ku ntikko okutuuka ku ntikko. Geraageranya n’omutindo ogumanyiddwa.
Q: Obuwuzi bwa UNF ne UNC bukyusibwakyusibwa?
A: Nedda, balina ebipimo by’obuwuzi eby’enjawulo. Okuwanyisiganya ebintu kiyinza okuvaako okwonooneka. Bulijjo kwataganya ekika kya thread ekituufu.
Q: Bikozesebwa ki bye nneetaaga okukola ne threads za UNF ne UNC?
A: Ojja kwetaaga taapu ne dies, ekipima obuwuzi, n’ebisumuluzo. Kakasa nti ebikozesebwa bikwatagana n'ekika ky'obuwuzi. Okusiiga nakyo kiyinza okwetaagisa.
