Bututu kafa tsiri ne mara daidaito curvature hada a tsaye nakasawa tsari da kuma ci gaba da aiki a giciye sashe, da kuma tsiri yana lanƙwasa da karfi na Multi-directional nakasawa tsari.

Tushen ka'idar madaidaiciyar kabu karfe bututun kafa ka'idar ita ce ta aikin wani ƙarfi na waje don samar da nakasar filastik na tsiri na ƙarfe zuwa siffar da ake so da girman bututu. Tun da karfe bututu a kan aiwatar da nakasawa na babban surface a ci gaba a kwance da kuma a tsaye al'amurran, dauri shafi a kan shi ne shirya a cikin bangarori biyu don aiwatar da kuma wuce ta cikin niƙa yi forming, mirgine wucewa ne don yin transverse nakasar karfe. da karfe takardar mirgina niƙa da aka shirya don samar da a tsaye nakasawa, da takamaiman aiki model da kuma iri-iri bambance-bambance a aikin injiniya ne a ci gaba da karfe nakasawa tsari da za a aiwatar a matakai, daga m niƙa (ciki har da yi tsagi da niƙa tsari) don cimma. . Nakasar tsayin daka a cikin jujjuyawar farantin yana nufin zuwa nakasar sigar siliki, nakasar juzu'i mai jujjuyawa ta bututu tana nufin nakasar lanƙwasa.

Bututu kafa tsari ne broadly kasu kashi uku, saukarwa: danye profiled sashe, wani matsakaici mataki na mika mulki da kuma kammala kafa mataki, suna da a na kowa ne "ellipse a da'irar" manufa, sakamakon nakasawa daga cikin dalilan da za a ciyar pass tsarin ne vastly daban-daban. galibi a cikin yanayin hanyoyin gargajiya, akwai hanyar lankwasa baki, hanyar lanƙwasawa, tsakiya da kuma hanyar lankwasawa da aka samo daga radius guda ɗaya, radius biyu, hanyar gyare-gyaren "w". Row yi forming da yi forming maras kyau furanni ne retractable, da elliptical giciye-section manyan axis a cikin m shugabanci.