Kwayar clinch ita ce ƙarni na gaba na rivet fasteners a kasuwa. Yana canza al'adar hanyar hawa sassa akan faranti kuma sabon ci gaba ne a tsarin haɗin farantin. A halin yanzu, a cikin masana'antar karfen takarda, ana amfani da ƙwaya mai riveted don amintattun ƙwaya zuwa sassan ƙarfe.
Akwai hanyoyi guda biyu na riveting da kayan aiki. Daya yana riveting da riveting gun, yafi amfani ga riveting sheet karfe sassa tare da kasa iri da kuma kiyayewa; Sauran kuma shine ƙwanƙolin ƙarfe mai naushi mutu riveting, galibi ana amfani da shi don riveting da yawa iri ɗaya nau'ikan sassa na takarda. Dukansu hanyoyin riveting suna da mummunar lahani kamar ƙarancin samarwa, ƙarfin aiki mai ƙarfi da ƙarancin kwanciyar hankali. Wata hanyar riveting ita ce riveting ta atomatik. Hanyar riveting yana da sauƙi a cikin aiki kuma yana iya rama waɗannan hanyoyin guda biyu na sama.
1. Hanyar rive gun
Matakan riveter: cire sassa → Saka goro → dunƙule rivet kan cikin goro → ja rivet → dunƙule rivet kai daga goro → gama samfurin
Rashin rashin amfani da hanyar riveting na bindiga: matakai masu rikitarwa, ƙananan tasiri na shigar da hannu da kuma sanya goro, ƙarancin samar da kayan aiki, babban buƙatun fasaha ga ma'aikata, ƙarancin sabis na riveting gun da kuma gajeren rayuwar sabis na riveting gun head.
2. Mutuwar hanyar
Mutu matakan riveting: ɗauki bangare → Saka goro → matsayi akan mutu → latsa riveting → gama samfurin, lahani na hanyar riveting mutu: matakai masu rikitarwa, ƙarancin shigar da goro na hannu, ƙarancin samar da ingantaccen aiki, rashin daidaituwa tsakanin ƙayyadaddun hanyoyin bugun bugun jini da ɓacin goro, ingancin riveting mara ƙarfi.
3. Tsarin tsarin riveting ta atomatik
An yi amfani da kayan aikin toshewa ta atomatik a cikin masana'antar farantin karfe, kuma fasahar ta kasance balagagge. Duk da haka, tun da rivet goro da na'urar shigar ta atomatik ke amfani da ita, ƙwaya ce ta clinch, babu wani misali na amfani da goro. Idan aka kwatanta da riveting, latsa riveting har yanzu yana da lahani masu zuwa:
(1) Na ƙwaya mai ƙima iri ɗaya, farashin ƙwan ɗigon ya fi na goro (bisa ga farashin kasuwa).
(2) Riveting matsa lamba yana da ƙayyadaddun buƙatu akan kauri farantin (kauri na kayan abu ≥ 1.0mm), don haka bai dace da sassan da ke buƙatar kayan bakin ciki ba (kauri na abu <1.0nm). Idan an ƙara kauri na farantin don ɗaukar riveting, farashin samarwa zai ƙaru sosai. A halin yanzu, sigogin tsarin na rivet goro don kaurin faranti daban-daban sun bambanta. Idan aka yi amfani da ƙwayayen rivet wajen samarwa, iri-iri da girman goro za su ƙaru, wanda hakan zai haifar da haɓakar samarwa da ƙimar sarrafa inganci.
Yawancin ƙwayayen rivet da ake amfani da su a masana'antar karfen katako sune kwayoyi hexagon. A halin yanzu, ba za a iya amfani da na'urorin shigar atomatik na duniya don ƙwaya mai hexagon ba, musamman saboda sakawa ta atomatik ba zai iya fahimtar jagorar kwayayen hexagon rivet ba. Ana iya magance matsalar isar da kwayayen ƙwaya ta hanyar maye gurbin ƙwaya mai kauri mai ɗaci da ƙwayayen siliki. Duk da haka, akwai haɗarin jujjuya ingancin lokacin da ake yin dunƙulewa a cikin dunƙule bayan da aka yi riveted na cylindrical rivet nut.
A halin yanzu, ka'idar ƙirar tsarin haɗin kai wanda masana'antar farantin karfe ta karbe shi ne cewa ramin da aka ɗora da ƙwayar ƙwaya suna da siffar iri ɗaya. Misali, ramin kwaya mai murabba'i ya dace da goro mai murabba'i sannan kuma ramin goro ya yi daidai da goro. Idan aka yi amfani da wannan ka'ida a cikin rami na ƙwanƙwasa mai zagaye tare da ƙwanƙwasa ƙwanƙwasa, za a sami matsaloli masu kyau na rivet. Lokacin da dunƙule a cikin dunƙule a cikin clinch goro, da goro yana juya da kuma ba za a iya harhada da part ɗin. Babban dalilin jujjuyawar goro shi ne cewa goro na madauwari ba zai iya samar da wani tsari da zai hana juyawa bayan an yi shi ba.
