Ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan abu ne mai mahimmanci akan katako na kwalta wanda ke ba da damar tsarin sikelin don daidaitawa zuwa sassa daban-daban na paving.Ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan yana manne zuwa ƙarshen babban farantin karfe don ƙara yawan faɗin sikelin yadda ya kamata.Ya ƙunshi faranti na ƙarfe na ƙarfe waɗanda ke haɗa su da babban katako, na'urori masu dumama da girgiza don dacewa da babban tsarin aikin, da na'urar hydraulic don fadadawa da janye faranti.Maɓallin maƙasudin ƙaddamar da sikelin shine don samar da sassauci a cikin shimfidar faɗuwa ba tare da buƙatar cikakken sabon tsarin sikelin kowane faɗin ba.Ta hanyar yin amfani da mizani masu tsayi daban-daban masu tsayi daban-daban, shingen kwalta guda ɗaya na iya shimfida hanyoyin titi masu faɗi da yawa.Wannan yana bawa 'yan kwangila damar amfani da injin guda ɗaya don ayyukan shimfidawa daban-daban don haɓaka farashi da ingantaccen lokaci.Ƙarƙashin ƙaddamarwa yana haɗawa a gefe ɗaya zuwa babban farantin katako na paver, kuma a daya gefen zuwa ga hannun telescopic wanda zai iya mikawa da ja da baya.Faranti masu tsattsauran ra'ayi suna ba da sashin faɗaɗa kuma sun dace da babban sikeli, tare da na'urorin dumama, jijjiga, da sandar murɗa don haɗawa da manyan abubuwan da aka gyara.Lokacin da aka tsawaita gabaɗaya, shimfidar shimfidar wuri ba tare da lahani ba tana haɗawa da babban simintin don samar da ɗaki mai ɗaci da ci gaba da ɗorawa a kan cikakken faɗin shimfidar.Haɗe-haɗen abubuwan da suka dace da sikeli a cikin sashin faɗaɗawa yana ba da damar ci gaba, santsi iri-iri na pavement, yawa, da rubutu a faɗin faɗin daban-daban.
Sana'a na iya samar da cikakkiyar madaidaicin bututun kwalta mai shimfida sikeli don kusan dukkanin shahararrun mashahuran kwalta, irin su VOGELE, DYNAPAC, CAT da dai sauransu. Tsarin shimfidawa yana haɓaka daidaitawa da kuma amfani da pavers na kwalta.Tare da ikon faɗaɗawa da ƙunsar tsarin ƙirar don dacewa da faɗin shimfidar da ake buƙata, madaidaicin kwalta guda ɗaya yana samun sassauci da kewayo sosai.Wannan ikon yana ba da kuɗi da tanadin lokaci ga ƴan kwangila da masu ginin hanya.Ƙaƙƙarfan ƙaƙƙarfan, tare da babban taron farantin karfe, yana taimaka wa maƙerin kwalta don magance nau'ikan ayyukan shimfida.Akwai nau'ikan abubuwa guda biyu, ɗaya shine nau'in hydraulic wanda ke ba da damar ƙirƙirar ƙungiyoyi daban-daban tsakanin 1.1m da 9.5, amfaninta mai sassauci ne ga manyan wurare daban-daban;ɗayan kuma nau'in ƙayyadaddun nisa na inji wanda aka fi amfani dashi don ayyukan gini na dogon lokaci tare da tsayin daka, manyan faɗuwar fakiti da manyan radis tunda suna iya sarrafa faɗuwar shimfidar wuri tsakanin 2.5m zuwa 16m ta amfani da ƙarin haɗe-haɗe.