Iwe unoona yekuzvirovera screws ine washer pane yakatarwa sheet kana mukatalogi, uye zviri nyore kufunga kuti ingori screw inouya nediki simbi disc. Raira dhayamita, kureba, uye dhiraivha mhando, uye wapedza. Ndiko kukanganisa kwekutanga. Chokwadi ndechekuti, iyo mubatanidzwa-iyo self-tapping screw uye washer yayo-imwechete inoshanda unit, uye kuiwana zvisizvo hakungorevi mubatanidzwa wakasununguka; zvinogona kureva kubvisira shefu, purasitiki inotsemuka, kana nzira inobuda inobuda mushure memwedzi mitanhatu. Ndakaona mapurojekiti akawandisa apo ichi chaibatwa sechinhu chekutengesa, nemutengo-pa-chiuru chiricho chega chekusarudza, zvichitungamira kucallbacks uye rework iyo yakadzima chero mari yakachengetedzwa.

Iyo Washer Haisi Ingori Spacer

Ngatitange newasher pachayo. Papepa, basa rayo nderekugovera mutoro. Asi pamwe a self-tapping screw, kunyanya muzvikamu zvakapfava sealuminium extrusions, dzimba dzepurasitiki, kana sheet simbi, basa rewasher rinova rakakosha muchikamu chekubaya. Washer yakati sandara ine OD diki kana geji yakatetepa inogona kuchera mukati meiyo torque-pasi, inonyatso kutenderedza uye nekusunungura tambo yauchangobva kugadzira. Hazviitike nguva dzose, izvo zvinoita kuti zvive zvakaoma kuongorora pamutsara-kungopera kwepanguva pamwe chete.

Isu takadzidza izvi nenzira yakaoma pane batch yekunze LED fixture dzimba. Iyo spec yaida simbi isina tsvina self-tapping screws ane washers kubatanidza lenzi dzepolycarbonate kumafuremu ealuminium. Mawacha aipihwa aive akajairwa SAE flat washers. Mukuyedzwa, vaive vakanaka. Mumunda, mushure mekuchovha bhasikoro, takatanga kuona lenzi ichirira uye kupinda kwemvura. Nyaya yacho? Mawasher akange aruma zvishoma mupolycarbonate, achigadzira micro-gap sezvo purasitiki yaifamba, iyo yakabva yabvumira screw kuti idzoke zvishoma. Kugadzirisa kwanga kusiri screw hombe; yakanga ichishandura kune washer ine OD yakakura uye chisimbiso chakasungirirwa, iyo yakashanda seyakasanganiswa mutoro-spreader uye gasket. The sikuruu akaita clamping; iyo washer system yakaita yekuisa chisimbiso uye yakachengetedza clamp load.

Izvi zvinotungamirira kune pfungwa pamusoro pekusarudza. Iwe haungotora screw wowedzera washer. Uri kusarudza fastening system. Ndeyekuramba vibration here? Ipapo pamwe nyeredzi kana zino rekukiya washer inosanganiswa. Ndeyekuvharisa? Zvadaro rabha yakasungwa kana EPDM washer chikamu cheyuniti. Makambani ane hunyanzvi mune izvi, seHandan Zitai Fastener Manufacturing Co., Ltd. kunze kweiyo huru yekugadzira base muYongnian, kazhinji anowana izvi. Kukosha kwavo hakusi muhuwandu chete; zviri mukunzwisisa kuti zvikamu izvi zvinoshandiswa mumamiriro chaiwo, akasiyana. Nzvimbo yavo padhuze nemigwagwa mikuru yekufambisa zvinoreva kuti vangangoona kwakakura kwakasiyana-siyana kwezvikumbiro zvekushandisa kubva kumaindasitiri akasiyana, izvo zvinozivisa huwandu hwechigadzirwa chavo.

The Thread-Forming vs. Thread-Ctting Trap

Apa ndipo panogona kugumburwa kunyange nevanhu vane ruzivo. Kwete zvose self-tapping screws zvakasikwa zvakaenzana, uye sarudzo yewasher inopindirana neizvi. Mashinda ekugadzira shinda (seaya epurasitiki kana masimbi akapfava) anobvisa zvinhu. Ivo vanogadzira yakanyanya radial stress. Kana iwe ukazvibatanidza nediki, yakaoma washer, iwe uri kuisa pfungwa dzako dzese kushushikana mutsoka diki, uchiisa panjodzi yekupaza kwemukuru. Yakakura, yakapfava washer inogona kubatsira kugovera iyo yekuisa stress.

Thread-cutting screws, kune rumwe rutivi, bvisa zvinhu. Izvo zvinowanzoitika mukukanda kana simbi dzakakora. Pano, njodzi ndeye swarf-diki simbi machipisi. A flat washer anogona chaizvo kuteya machipisi aya pamusoro, achikanganisa kupera kana kudzivirira zvigaro zvekugezesa chaiko. Mune mamwe magungano echokwadi, takashandisa washer ane diki chikamu checonical kana kunyange isiri-yakarukwa inotsigirwa kuti itore uye ine marara iwayo. Idiki diki diki risingambo ratidzike pane yakajairwa BOM.

Ndinoyeuka mufananidzo wemurindiri wemuchina pataishandisa siruu yeshinda yekucheka newachi musimbi inobaya. Assembly yairatidza kuti yakasimba. Vhiki gare gare, pakanga pane ngura inotumbuka mudenderedzwa rakakwana pasi pewachisi wega wega. Machipisi akavharirwa pasi akabata mwando uye akatanga galvanic corrosion. Mhinduro yaive yekushandisa sikuruu ine yakavakirwa-mukati, yakawedzera zvishoma oversized nhapwa washer iyo ine serrated inotakura pamusoro-yaicheka nepakati pemarara uye yakavhara interface zvirinani. Iyo inodhura 15% yakawanda pachikamu chimwe chete asi yakabvisa hombe yekunaka uye yehupenyu hurefu nyaya.

Material Pairings uye Galvanic Drama

Kutaura nezve corrosion, iyo trio yezvinhu-screw, washer, uye substrate-ikemikari seti. Stainless simbi sikururu ine carbon steel washer chinhu chakajairika, chinofambiswa nemutengo. Munzvimbo yakanaka, zvakanaka. Asi wedzera chero hunyoro, uye wagadzira bhatiri. Iyo kabhoni simbi washer ichaora zvekuzvipira, kazhinji ichiomesa gungano rakasimba kana kusvibisa substrate. Ini ndinogara ndichisimbirira kuti washer ive yakafanana, kana yakanyanya kunaka, zvinhu kupfuura screw. Kana uri kushandisa aluminium screw mualuminium, washer inofanira kunge iri aluminium kana plastiki. Zvinoita sezviri pachena, asi mukumhanyisa kuwana zvikamu, izvi zvinoregeredzwa.

Kumisikidzwa kwaHandan Zitai munzvimbo yakazara yekugadzira kunoratidza kuti vane hudzamu hwecheni yekugovera kuti vape makiti emidziyo anowirirana. Hazvisi zvekungogadzira screw; ndezvekutsvaga kana kugadzira washer yakakodzera kuti uende nayo. Semuyenzaniso, kupa zinc-plated screws ane zinc-plated washers, kana A2 stainless neA2 stainless washers, seti inofananidzwa. Kubatana uku kunodzivirira kukundikana kwakawanda kwemunda. Webhusaiti yavo, https://www.zitaifasteners.com, ingangodonhedza aya mapeya, ayo anobatsira kupfuura kungoita dimensional catalog.

Mamiriro ezvinhu akaipisisa andakaona akanga ari pagungano repavharanda remahombekombe. Aluminium railings dzaive dzakanamirwa ne… wazvifungidzira, simbi isina tsvina self-tapping screws ane washers. Asi mawachi acho akanga akachipa, ane zinc-plated simbi. Mukati megore, mawachi akanga aita ngura zvachose kuita mapundu, achisvibisa aruminiyamu nhema negirini, uye kuperera kwakabatana kwakanga kwaenda. Kugadzirisa kwaive kutsiva kwakazara nealuminium washer-head screws. Mutengo wevashandi wakaderera mutengo wekusungirira kakapetwa kazana.

PaMusungwa vs. Loose Washer Systems

Pane gakava guru pano: nhapwa (pre-yakaungana) washer kana yakasununguka zvikamu? Pamusangano wepamusoro-soro, musungwa ndiye mambo. Iyo inoderedza chikamu chekuverenga, inomhanyisa kuisirwa, uye inovimbisa washer iripo. Asi mawashi akasungwa anogona kudzikamisa sarudzo dzako. Kutenderera panguva yekutyaira dzimwe nguva kunogona kukonzera nhapwa seal washer kumonyoroka uye kubvaruka, kunyanya kana iri EPDM yakapfava kana rabha.

Mawashi akasununguka anobvumira kusanganisa-uye-match uye zviri nyore kuunza zvakasiyana. Asi panzvimbo yokuvaka ine mhepo kana kuti pauriri hwefekitari yakabatikana, mawachi anodonha, anokanganwika, kana kuti anoiswa akatsikitsira. Ini ndakasendamira kumasisitimu ehusungwa kune chero chinhu chinosanganisira chisimbiso kana kana washer ine chaiyo inoshanda chimiro (senge countersunk fudzi). Kune akajairwa flat washer munzvimbo dzakadzorwa, kusununguka kunogona kuve kwakanaka uye kuchinjika.

Takamhanya kuyedza pamutsetse wemidziyo, tichienzanisa maviri. Iyo yakasungwa washer screws yaive ne 0.3% yekukanganisa chiyero (kunyanya kuyambuka-shinda). Iyo yakasununguka washer uye screw combo yaive ne 2.1% kukanganisa mwero, zvinenge zvese nekuda kwekushaikwa mawasher kana washer akaiswa padivi risiri rejoint. Sarudzo yakasvika pamutengo wekugadzirisa munda zvichienderana nemutengo wepamusoro weyuniti yehusungwa system. Kune iyo application, musungwa akahwina.

Iyo Torque Hurukuro Wese Anokanganwa

Pakupedzisira, nzou muimba: kuisa torque. A self-tapping screw newasher ine hwindo rekunongedza torque. Yakanyanya kuderera, uye haugadzirire yakakwana yekusungirira mutoro kana kuumba zvizere tambo. Kunyanya kumusoro, uye iwe unobvisa tambo kana kunyanya-compress washer, zvichiita kuti zvive zvisina maturo. Mhando yewasher inobata zvakanyanya izvi. Iyo yakaoma Belleville washer ichapa hukama hwakasiyana kwazvo hwetorque-tension pane yakapfava flat washer.

Mazhinji madhairekitori ekuisa anongopa kukosha kwe torque kune screw. Ivo havawanzoverengera kune washer. Mukuita, iwe unofanirwa kukudziridza kunzwa kana, zvirinani zvakadaro, shandisa calibrated driver uye bvunzo pane emuenzaniso substrates. Isu takagadzira mageji akareruka ekuenda / kwete-kuenda evashandi vedu vemutsara-kana washer yaive yakapfava kune imwe yekuona mwero mushure mekutyaira, torque ingangove iri mumhando. Yakanga iri yakaderera-tech mhinduro kune yakakwira-stakes dambudziko.

Inotenderera ichidzokera kune yakakosha pfungwa: hausi kusungirira ne screw. Uri kutsanya nehurongwa. Iyo screw taps uye clamps. Iyo washer inobata mutoro, chisimbiso, kushushikana, uye dzimwe nguva kunyange kurongeka. Kuvatsvaga sevaviri vanotariswa, kubva kumutengesi anonzwisisa mashandisirwo, seaya akaiswa munzvimbo dzekugadzira anoshandira maindasitiri akasiyana, hausi ruzivo rwekutenga - chinhu chinodiwa neinjiniya. Iyo inotevera nguva yaunotsanangura self-tapping screws ane washer, imbomira uye funga nezve izvo izvo system inoda chaizvo kuita. Dhiabhorosi, uye kusimba, zviri mune izvo zvinhu.