Chitsulo chosapanga dzimbiri chili ndi zinthu zambiri zomwe zimapangitsa kuti chikhale chokongola pa ntchito zosiyanasiyana, koma zinthu zomwezi zimatha kupangitsa kuti chikhale chovuta kugwiritsa ntchito. Mukachigwiritsa ntchito, chimakanda mosavuta komanso kuipitsidwa, zomwe zimapangitsa kuti chizipangika dzimbiri. Chomaliza koma chofunika kwambiri, ndi chokwera mtengo kuposa chitsulo cha kaboni, kotero vuto la mtengo wa zinthu limakula kwambiri pamene zigawo zachitsulo chosapanga dzimbiri zimapangidwa.
Makasitomala amayembekezeranso kwambiri kuti chinthucho chikhale chokongola, ndipo amafuna kuti chinthucho chikhale chofanana ndi galasi. Pali mwayi wochepa wobisa cholakwikacho ndi utoto kapena utoto.
Pogwira ntchito ndi mapaipi achitsulo chosapanga dzimbiri, mavutowa amakula kwambiri, chifukwa kusankha zida zabwino komanso zothandiza kuti zinthu zikhale zosavuta kukonza mpaka kumaliza kumakhala kochepa.
Chifukwa cha kukana dzimbiri, chitsulo chosapanga dzimbiri ndi chabwino kwambiri pa ntchito zomwe zimafuna kuwala kwachilengedwe kwa chitsulocho, monga mawilo oyendetsera ndi malo opumulira manja. Izi zikutanthauzanso kuti kukula kwakunja kwa chubucho kumatha kusiyana kuyambira kuzizira mpaka mawonekedwe osalala komanso opanda chilema.
Izi zimafuna chida choyenera pamodzi ndi chotsukira choyenera. Nthawi zambiri funso loyamba lomwe timafunsa makasitomala athu ndi lakuti ndi ndalama ziti zomwe akufuna kupanga kuti atsimikizire kuti amaliza chitoliro mwachangu komanso mosalekeza. Kwa iwo omwe akufuna kusunga malamulo okhazikika a kumaliza chitoliro, kugwiritsa ntchito makina opukutira opanda pakati, chopukutira chozungulira, kapena makina ena a lamba kungathandize kuti zikhale zosavuta kusandutsa zigawo kuti zikwaniritse zomwe mukufuna. Kukhazikika kwa chinthu chomalizidwa kumathanso kuchitika kuchokera ku gawo kupita ku gawo.
Komabe, palinso njira zina zogwiritsira ntchito zida zamanja. Kutengera ndi kukula kwa chitoliro, chopukusira lamba chingakhale njira yothandiza yowonetsetsa kuti mawonekedwe a gawo sakusintha panthawi yomaliza. Kugwiritsa ntchito lamba wotchinga kumalola kuti mbiri ya tubular igwire ntchito popanda kuiphwanya. Malamba ena ali ndi ma pulley atatu olumikizana, zomwe zimapangitsa kuti zikhale zosavuta kuzungulira chubucho. Malamba amapezeka m'makulidwe osiyanasiyana. Ma band a mafayilo amatha kuyambira 18″ mpaka 24″, pomwe King-Boa imafuna maband a 60″ mpaka 90″. Malamba opanda pakati komanso ozungulira amatha kukhala ndi mainchesi 132 kutalika kapena kupitirira ndipo mpaka mainchesi 6 mulifupi.
Vuto ndi zida zamanja ndilakuti kupeza njira yoyenera mobwerezabwereza ndi luso kuposa sayansi. Ogwira ntchito odziwa bwino ntchito amatha kupeza njira yabwino kwambiri yomaliza ndi njira imeneyi, koma zimafunika kuchitapo kanthu. Kawirikawiri, kuthamanga kwambiri kumabweretsa kukanda pang'ono, pomwe kuthamanga kochepa kumabweretsa kukanda kwakukulu. Kupeza bwino ntchito inayake kumadalira wogwiritsa ntchito. Liwiro loyambira tepi lomwe limalimbikitsidwa limadalira malo omwe mukufuna.
Komabe, ndikofunikira kupewa kugwiritsa ntchito ma disc kapena ma hand grinder a mtundu uliwonse pokonza mapaipi. N'zovuta kupeza chitsanzo chomwe mukufuna ndi zida izi, ndipo ngati mutakankhira dial mwamphamvu kwambiri, zimatha kusokoneza mawonekedwe ake ndikupanga malo athyathyathya pa chitoliro. Kudzanja lamanja, ngati cholinga ndikupukuta pamwamba pa galasi m'malo mokanda, njira zambiri zoyeretsera zidzagwiritsidwa ntchito ndipo gawo lomaliza lidzakhala chopukutira kapena ndodo yopukutira.
Kusankha njira yopangira zinthu zomangira kumafuna kumvetsetsa bwino za kumaliza kwake. Zachidziwikire, izi n'zosavuta kunena kuposa kuchita. Kuyang'ana m'maso nthawi zambiri kumagwiritsidwa ntchito kufananiza zigawo ndi zinthu zomwe zilipo kale. Komabe, wogulitsa zinthu zomangira m'sitolo angathandize kudziwa momwe angachepetsere pang'onopang'ono kuchuluka kwa zinthu zomangira kuti akwaniritse zomwe akufuna.
Mukapera chitsulo chosapanga dzimbiri pamwamba pake, ndikofunikira kugwiritsa ntchito njira yokanda pang'onopang'ono. Poyamba, muyenera kuonetsetsa kuti madontho ndi zopindika zonse zachotsedwa. Tikufuna kuyamba ndi chinthu chabwino kwambiri chothana ndi zofooka izi; kukanda kwambiri, pamafunika ntchito yambiri kuti ikonze. Pa sitepe iliyonse yotsatira, muyenera kusamala kuti muchotse mikwingwirima kuchokera ku abrasive yakale. Motero, njira yokanda yofanana imapangidwa pa chinthu chomalizidwa.
Ndi zinthu zopukutira zachikhalidwe, zimakhala zovuta kudumpha zinthu zopukutira kuti mupeze mawonekedwe oyenera a chitsulo chosapanga dzimbiri chifukwa cha momwe zinthu zopukutira zimasweka. Komabe, ukadaulo wina umakulolani kudumpha masitepe, monga zinthu zopukutira za Trizact za 3M, zomwe zimawonongeka mwanjira yoti zinthu zopukutira "zimatsitsimutsidwa" ndi tinthu tatsopano tomwe timagwiritsidwa ntchito. 3M
Zachidziwikire, kudziwa kuchuluka kwa kuuma kwa chinthu chokanda kumadalira pa zinthuzo. Ngati mukufuna kuchotsa zolakwika monga sikelo, mabala kapena mikwingwirima yozama, muyenera kugwiritsa ntchito chokanda chokanda chokanda. Mwachitsanzo, nthawi zambiri timayamba ndi lamba wonyamula katundu wa 3M 984F kapena 947A. Titasamukira ku malamba 80 okanda, tinasintha kukhala malamba apadera kwambiri.
Mukamagwiritsa ntchito zinthu zophimbidwa ndi chitsulo chachikhalidwe, onetsetsani kuti mwachepetsa kuchuluka kwa zinthu zophwanyika popanda kuziphonya chifukwa cha momwe zinthuzo zimaphwanyika kuti zipeze mawonekedwe oyenera a chitsulo chosapanga dzimbiri. Zinthuzo zikaphwanyika, kupanikizika kwambiri kumafunika kuti mupeze zotsatira zomwezo monga momwe mchere umadetsera kapena kuchotsedwa ku zinthu zophwanyika. Zinthu zophwanyika kapena mphamvu zapamwamba zimapangitsa kutentha. Chifukwa kutentha ndi vuto mukamaliza chitsulo chosapanga dzimbiri, kumatha kukhudza mawonekedwe ndi "buluu" pamwamba.
Vuto lina lomwe lingabuke ndi ma abrasives ena otsika mtengo ndi kusinthasintha kwa mchere wawo womalizidwa. Zidzakhala zovuta kwa wogwiritsa ntchito wosadziwa zambiri kuti atsimikizire kuti abrasive yapeza malo omwe akufuna pa sitepe iliyonse. Ngati pali kusagwirizana kulikonse, mikwingwirima yolusa ingawonekere yomwe singawonekere mpaka gawo lopukutidwa.
Komabe, njira zina zimakulolani kudumpha masitepe. Mwachitsanzo, Trizact Abrasive ya 3M imagwiritsa ntchito utomoni wosakaniza ndi abrasive kuti ipange kapangidwe ka piramidi komwe kamakonzanso pamwamba pa abrasive ndi tinthu tatsopano ngakhale abrasive ikatha. Ukadaulo uwu umatsimikizira kuti lamba limakhala lomaliza nthawi yonse ya moyo wake. Chifukwa chakuti tepi ya Trizact iliyonse imapereka mapeto odziwikiratu, tinatha kudumpha ma grade abrasive kumapeto komaliza. Izi zimapulumutsa nthawi pochepetsa masitepe a sanding ndikuchepetsa kukonzanso chifukwa cha sanding yosakwanira.
Chofunika kwambiri posankha chotsukira tsitsi ndi kudziwa momwe mungamalizire bwino nthawi komanso mtengo wake.
Popeza chitsulo chosapanga dzimbiri ndi cholimba, kusankha zinthu zomangira ndi mchere ndikofunikira kwambiri. Mukagwiritsa ntchito zinthu zomangira molakwika, nthawi yayitali zinthuzo zikakonzedwa, kutentha kumapangidwa kwambiri. Ndikofunikira kugwiritsa ntchito mchere woyenera komanso kugwiritsa ntchito chomangira chomangira chochotsa kutentha kuti muchotse kutentha pamalo olumikizirana mukapaka mchenga.
Ngati mukugwiritsa ntchito makina, mungagwiritsenso ntchito choziziritsira madzi, chomwe chimathandizanso kuchotsa zinyalala, kuonetsetsa kuti zinyalala sizikuwononga pamwamba. Onetsetsani kuti mwagwiritsa ntchito fyuluta yoyenera kuti zinyalala zisalowenso pamene choziziritsira madzi chikuzunguliranso mu makinawo.
Anthu ambiri amaganiza kuti zitsulo zonse zosapanga dzimbiri zimaoneka zofanana, koma pankhani ya pamwamba pa gawo lomalizidwa, mitundu iwiri yosiyana ya mchere ingakhudze mawonekedwe a gawolo. Mawonekedwe awa amadalira ogwiritsa ntchito.
Mwachitsanzo, silicon carbide yachikhalidwe imakonda kusiya mikwingwirima yozama yomwe imawonetsa kuwala mosiyana ndikupangitsa kukhala yabuluu.
Nthawi yomweyo, aluminiyamu yachikhalidwe imasiya mawonekedwe ozungulira omwe amawonetsa kuwala mosiyana ndikupanga zinthuzo kukhala zachikasu.
Kutengera ndi kukula kwa chitoliro, chopukusira lamba chingakhale njira yothandiza yowonetsetsa kuti mawonekedwe a gawo sakusintha panthawi yomaliza. Kugwiritsa ntchito lamba wotchinga kumathandiza kuti mbiri ya tubular igwire ntchito popanda kuiphwanya. 3M
Kudziwa momwe gawo lofunikira limakhalira ndikofunikira chifukwa nthawi zambiri mapulogalamu amafunika magawo atsopano kuti agwirizane ndi omwe alipo kale.
Chitsulo chosapanga dzimbiri ndi chinthu chokwera mtengo, kotero kusankha mosamala zida zomalizitsira n'kofunika. Thandizo loyenera kuchokera kwa ogulitsa lingathandize masitolo kupeza njira zosungira nthawi ndi ndalama.
Gabi Miholix is ​​an Application Development Specialist in the Abrasive Systems Division of 3M Canada, 300 Tartan Dr., London, Ontario. N5V 4M9, gabimiholics@mmm.com, www.3mcanada.ca.
Khalani ndi chidziwitso cha nkhani zaposachedwa, zochitika ndi ukadaulo pazinthu zonse zachitsulo kuchokera m'makalata athu awiri a pamwezi olembedwa okha kwa opanga aku Canada!
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