Mukuwona 'zozungulira mutu-zodzigudubuza' papepala kapena m'kabukhu, ndipo zikuwoneka zowongoka - zomangira zokhala ndi dome, zimadula ulusi wake. Koma ndipamene malingaliro ambiri amayambira, ndipo mutu wothandiza ukhoza kuyamba ngati simusamala. Mutu wozungulira suli pafupi kutha kosalala; ndi kusankha kwapadera komwe kumakhala ndi tanthauzo pakulemetsa, kulephera kwa zinthu, komanso kuthamanga kwa gulu komwe mutu wa poto kapena mutu wathyathyathya sungakupatseni. Ndawonapo mapulojekiti pomwe malingaliro olakwika okhudza mpando wamutu adatsogolera ku nyumba zapulasitiki zosweka kapena kuwerengeka kosagwirizana kwa torque pamzere.

Geometry Yamutu Yemwe Aliyense Amadumphira

Anthu ambiri amangoyang'ana ulusi akamalankhula za odzicheka okha. Mutu ndi wongoganizira. Ndiko kulakwitsa. The zomangira zozungulira mutu wodzigunda kukhala ndi kusintha kwa mutu kupita ku shank ndi malo onyamulira pansi omwe amapangidwa kuti amire muzinthu zofewa popanda kusweka. Sizowopsa ngati mutu wa bugle wa drywall, koma ndi wokhululuka kuposa mutu wachabechabe pazitsulo zopyapyala. Ndikukumbukira gulu lochokera kwa ogulitsa - zowoneka bwino pamapepala - koma utali wamutuwo unali wakuthwa kwambiri. M'malo mopondereza PVC, idakhala ngati chodulira ma cookie, ndikupanga phokoso lophwanyika mozungulira chomangira chilichonse. Kulephera sikunali mu chinkhoswe ulusi; chinali pansi pa mutu pomwe.

Kuyanjanitsa zinthu ndi chilichonse pano. Kodi mukugwiritsa ntchito phula lozungulira mutu wa chitsulo cha kaboni muzitsulo zina za aluminiyamu popanda woyendetsa woyendetsa kale? Mutha kuthawa kangapo, koma mukukopana ndi kuvula mutu kapena, choyipa, kukwiya. Pazitsulo zofewa kapena mapulasitiki olimba, mizere yozungulira imathandiza kugawa katunduyo, koma pokhapokha ngati galimotoyo yapuma - nthawi zambiri Phillips kapena Pozidriv - imakhala yozama kwambiri kuti igwire torque yofunikira kupanga ulusi popanda kutuluka. Ndilo malo owongolera omwe ndi osavuta kuphonya pamaoda ambiri.

Palinso kumaliza. Kuyika kwa zinc kutha kukhala koyenera kugwiritsidwa ntchito m'nyumba, koma pachilichonse chowonekera, muyenera kuganizira za dzimbiri. A dzimbiri mutu wozungulira wodzigudubuza screw si zoipa chabe; Kuthamanga kwa dzimbiri kumatha kuwonjezera kuchuluka kwa zoletsa pakapita nthawi, kumabweretsa kutopa kwakuthupi kuzungulira dzenje. Ndasinthira ku zomangira za zinc-flake zotchingira panja chifukwa cha izi, ngakhale mtengo wake woyamba ndi wokwera. Maonekedwe a mutu wozungulira amapangitsa kuti zokutirazo zikhale bwino poyendetsa galimoto kuposa masitayilo amutu osalala, omwe ndi mwayi wawung'ono koma weniweni pamzere wopanga.

Mawonekedwe a Ulusi ndi Mabowo Oyendetsa: Dance-World Dance

Gawo lodzigunda ndilolonjezano losavuta, koma silopita kwaulere. Mawonekedwe a ulusi-Mtundu A, B, AB, kapena mtundu waukali kwambiri wa U-amalamula chilichonse. Pa ntchito zachitsulo zonse, Type AB ndiye kavalo wamba wamba zomangira zozungulira mutu wodzigunda. Koma general ndi msampha. Ndinaphunzira izi kulumikiza mafelemu modular kuchokera osiyanasiyana gauge zitsulo. Kugwiritsa ntchito wononga komweko kwa bulaketi ya 20-gauge ndi mwendo wothandizira wa 14-gauge kumatanthauza kuti wina atha kuvula ndipo winayo amakhala gehena woyendetsa, nthawi zambiri amasokoneza poyambira.

Ndiye mumayendetsa ndege kapena ayi? Bukuli likuti pazinthu zokulirapo kapena zolimba, dzenje loyendetsa ndilofunika. Pochita, ndikuwerengera kopitilira muyeso motsutsana ndi kudalirika. Pa mzere wokwera kwambiri wa chassis yamagetsi, tinalumpha oyendetsa ndege chifukwa cha liwiro. Zinagwira ntchito mpaka titapeza chitsulo chozizira chozizira kwambiri kuposa cholimba cha Brinell. Mitu ya screw inametedwa, madalaivala adawonongeka. Mtengo wa nthawi yopuma umachepetsa nthawi yosungidwa. Tsopano, lamulo ndilakuti: ngati makulidwe azinthu akupitilira kukula kwa screw ndikupitilira 2x, kapena ngati ndi chitsulo chosadziwika, timabowola. Ndi sitepe yosagwirizana ndi chilichonse chokhazikika.

Apa ndipamene kupeza kuchokera kwa wopanga mwapadera m'malo opangira kumapangitsa kusiyana kowonekera. Kampani ngati Malingaliro a kampani Handan Zitai Fastener Manufacturing Co., Ltd., yomwe ili m'gawo lalikulu kwambiri ku China ku Yongnian, Hebei, nthawi zambiri imakhala ndi ma die seti ndi chidziwitso cha sayansi chopereka malangizo pa izi. Kuyandikira kwawo kumayendedwe akuluakulu monga Beijing-Guangzhou Railway kumatanthauza kuti amakonzekera kuchuluka kwake, koma abwino amamvetsetsanso izi. Mutha kupeza mizere yazogulitsa ndi mafotokozedwe awo https://www.zitaifasteners.com. Chofunikira ndikulumikizana osati kukula kwa screw, koma kugwiritsa ntchito - mitundu yazinthu, makulidwe, malo osonkhana. Nthawi zambiri amatha kulangiza ulusi woyenera kwambiri kapena chithandizo cha kutentha.

Drive Systems ndi Nkhondo Yolimbana ndi Cam-Out

Phillips amayendetsa pa mutu wozungulira wodzigudubuza screw ndi cholowa chomwe chimayambitsa kukhumudwa tsiku ndi tsiku. Zapangidwa kuti zizituluka kuti zipewe kuthamangitsidwa mopitilira muyeso, koma pochita, zimangochotsa chopumira ndikuwononga mutu wa screw, makamaka ndi madalaivala amagetsi. Pozidriv ndi sitepe yokwera, yopereka chinkhoswe chabwinoko, komabe sichinali changwiro. Pakupanga kulikonse kwakukulu, ndimakankhira ma drive a Torx kapena Hex ngati kuli kotheka. Kuwonjezeka kwa mtengo wa zida kumachepetsedwa ndi kuchepa kwakukulu kwa kuvala kwa madalaivala, zomangira zovula, ndi kukonzanso.

Ndinayesa kufananiza pamzere wolumikizira mabokosi a pulasitiki. Tinasintha kuchoka pamitu yozungulira ya Phillips kupita ku mitu yozungulira ya Torx, yofanana ndi zina zonse. Chiwopsezo cha kuwonongeka kwa magalimoto owonongeka chatsika ndi 70%. Ogwira ntchitowo sankayenera kulimbana ndi dalaivala, kotero kuti torque yokhalamo yosasinthika inali yosavuta kukwaniritsa. Mbiri ya mutu wozungulira imatanthawuza kuti kutuluka kwa Torx kumatha kukhala kozama popanda kusokoneza kukhulupirika kwamutu, zomwe ndi malire omwe mumakumana nawo nthawi zina ndi masitayilo apamwamba.

Izi zikuwoneka ngati zazing'ono, koma zimakhudza chilichonse kuchokera ku ergonomics kupita ku kafukufuku wabwino. Mutu wokhazikika wa Phillips umasiya dome lopindika lomwe limawoneka ngati lopanda ntchito ndipo nthawi zina limapunthwa. Mutu wa Torx woyendetsedwa bwino umawoneka watha. Kwa kampani ngati Handan Zitai Fastener, yomwe imapanga mitundu yambiri, nthawi zambiri imatha kupereka zosankha izi. Ndichidziwitso chomwe chiyenera kukhala kutsogolo ndi pakati pa PO, osati kungoganizira.

Case in Point: Kulephera kwa Bracket HVAC

Chitsanzo chenicheni chimandikhalira. Tinali kumangirira mabulaketi a aluminiyamu pazitsulo zazitsulo zokhala ndi malata kuti tigwiritse ntchito njira yothandizira njira. Zolembazo zimafuna 10 x 1-inch zomangira zozungulira mutu wodzigunda, zinki-zokutidwa. Papepala, zinali bwino. M'mundamo, oyika adanenanso kuti zomangira zimaduka kapena kupota popanda kugwira. Nkhaniyi inali yophatikiza zinthu: chitsulo cha stud chinali cholimba kuposa momwe zimakhalira, bulaketi ya aluminiyamu imagwira ntchito ngati chotengera cha kutentha chomwe chimapangitsa kuyendetsa kwake kukhala kolimba, ndipo Phillips drive inali kutulutsa, kupangitsa oyika kuti agwiritse ntchito mopitilira muyeso.

Kukonza sikunali chinthu chimodzi. Tinasinthira ku wononga ndi kuuma kwa Rockwell (kusintha kosavuta kwa kutentha kwa kutentha), kutchula dzenje lovomerezeka la 1/8 kupyolera mu zipangizo zonse ziwiri (zomwe oyika amadana nazo koma amatsatira), ndipo, potsatira ndondomeko yotsatira, tinasamukira ku galimoto ya Pozidriv. Mutu wozungulira udali kuyimba koyenera kwa malo ake, koma magawo ena aliwonse ozungulira amayenera kusinthidwa. Linali phunziro pakuwona chomangira ngati gawo la dongosolo, osati chigawo chokhachokha.

Uwu ndi mtundu wothetsera mavuto womwe umalekanitsa dongosolo lamakatalogu ndi momwe zimagwirira ntchito. Opanga m'malo ngati Chigawo cha Yongnian amawona izi m'mafakitale onse. Magulu awo a uinjiniya, mukawapanga nawo, amatha kulosera misampha iyi kutengera zomwe mukujowina. Malo awo oyandikana ndi misewu ikuluikulu ndi njanji ngati National Highway 107 ndi Beijing-Shenzhen Expressway sikuti amangokhudza kutumiza katundu; zikutanthauza kuti akupereka ntchito zosiyanasiyana, kuyambira zamagalimoto mpaka zomanga, komanso kuti zokumana nazo zonse ndizothandiza.

Kuyang'ana Kupyola pa Chipika: Msonkhano ndi Chilengedwe

Pomaliza, screw palibe mu vacuum. Kusankha kwa a mutu wozungulira wodzigudubuza screw zimakhudza zida zolumikizira. Mawonekedwe a domed amafuna mphuno ya driver kapena chogwirizira chokhala ndi chilolezo chokwanira kuti asawononge mutu. M'makina odyetsera okha, mutu wozungulira ukhoza kugwedezeka kwambiri m'mbale zogwedezeka poyerekeza ndi mutu wa poto ngati njira ya mbaleyo siyikukonzedwa bwino - zomwe akatswiri opanga makina opangira magetsi sangakuuzeni, koma katswiri wa mzere angatero.

Ndiye pali mapeto ntchito chilengedwe. Ndinatchula za dzimbiri poyamba. Kwa ntchito zam'mphepete mwa nyanja, ngakhale zinc-flake sizingakhale zokwanira; mungafunike chitsulo chosapanga dzimbiri chozungulira mutu wodzipangira tokha. Koma chenjerani—magiredi ena osapanga dzimbiri (monga 410) akhoza kukhala osalimba. Mumapeza kukana dzimbiri koma mumataya mphamvu yakumeta ubweya. Ndi kusinthanitsa. Wopanga omwe ali ndi mbiri yotakata, monga momwe tawonera kale, akhoza kukuthandizani m'makalasi awa chifukwa akupangira magawo osiyanasiyana amsika.

Pamapeto pake, kutchula zomangira zozungulira pamutu ndikuyambira kukambirana, osati kutha kwake. Mtundu wamutu, mtundu wagalimoto, mawonekedwe a ulusi, zinthu, kumaliza, ndi kuuma zonse zimalumikizana. Ubwino wodziwombera nokha ndi weniweni, koma umafuna kulondola kwambiri pakusankha, osati zochepa. Cholinga chake ndi kuchititsa kuti chomangiracho chizimiririka—kuti chigwire ntchito yake modalirika kwambiri moti palibe amene angachiganizirenso. Izi zimangochitika mukamadutsa malongosoledwe oyambira ndikufufuza mwatsatanetsatane momwe angagwiritsire ntchito.