Ka'idar aiki
Idan ƙafafun hagu da dama suna tsalle sama da ƙasa a lokaci guda, wato, jiki yana yin motsi a tsaye kawai kuma nakasar dakatarwa a ɓangarorin biyu daidai take, sandar daidaita motsi a cikin juyawar bushing free, sandar daidaita motsi ba ta aiki.
Idan ɓangarorin biyu na nakasar dakatarwar ba ta yi daidai da jiki don karkatar da gefen hanya ba, gefen firam ɗin yana matsawa kusa da tallafin bazara, gefen sandar daidaitawa yana da alaƙa da firam ɗin don motsawa sama, ɗayan gefen firam ɗin kuma nesa da tallafin kibiya mai harbi, sandar daidaitawa mai dacewa tana da alaƙa da firam ɗin don motsawa ƙasa, amma a cikin jiki da karkatar firam ɗin, tsakiyar sandar daidaitawa mai juyawa akan firam ɗin busasshe # babu motsi na dangi. Ta wannan hanyar, lokacin da jiki ya karkata, ɓangaren tsayi na sandar daidaitawa a ɓangarorin biyu yana karkata ta hanyoyi daban-daban, don haka sandar daidaitawa tana karkata, kuma an lanƙwasa hannun gefe don ƙara taurin kusurwa na dakatarwar.
Ƙarfin juyi na ciki da sandar daidaita lanƙwasa ke samarwa yana hana lalacewar bututun firam ɗin, don haka yana rage karkata a gefe da girgizar gefe na jiki. Duk ƙarshen hannun sandar a cikin alkibla ɗaya na sandar daidaita lanƙwasa mai tsalle ba ya aiki, lokacin da ƙafafun hagu da dama suka juye, ɓangaren tsakiya na sandar daidaita lanƙwasa ta hanyar juyawa.
Idan gefen abin hawa ya yi ƙasa da tauri, kusurwar gefen jiki ta yi girma sosai, ya kamata a yi amfani da sandar daidaita gefen abin hawa don ƙara tauri a gefen abin hawa. Ana iya sanya sandunan daidaita gefen daban ko a lokaci guda a kan dakatarwar gaba da ta baya kamar yadda ake buƙata. Lokacin tsara sandar daidaita gefen abin hawa, ban da la'akari da jimlar tauri a kusurwar abin hawa, ya kamata a yi la'akari da rabon tauri a kusurwar da aka yi birgima. Domin sanya motar ta sami halayen tuƙi a ƙasa, dakatarwar gaba ya kamata ta ɗan fi girma fiye da dakatarwar baya ta gefe tauri a kusurwar. Saboda haka, ana shigar da ƙarin samfura a sandar daidaita gefen abin hawa.
Gabaɗaya, ana zaɓar kayan aiki bisa ga matsin lamba na sandar daidaita motsi. A halin yanzu, ana amfani da kayan 60Si2MnA fiye da haka a China. Don amfani da sandar daidaita motsi ta gefe mafi ƙarfi, Japan ta ba da shawarar amfani da ƙarfe Cr-Mn-B (SUP9, SuP9A), matsin lamba ba sandar daidaita motsi mai ƙarfi ba ce tare da ƙarfen carbon (S48C). Domin inganta rayuwar sabis na sandar daidaita motsi, ya kamata a yi amfani da fashewar harbi.
Domin rage nauyin, an yi wasu sandunan daidaita sigina masu ratsa jiki da bututu mai zagaye mai zurfi, kuma rabon kauri na bangon bututun ƙarfe da diamita na waje shine kusan 0.125. A wannan lokacin, diamita na waje na sandar ƙarfi ya ƙaru da kashi 11.8%, amma ana iya rage nauyin da kusan kashi 50%.
