Yadda ake hana lahani daga farantin tagulla

Lalacewar dafarantin tagulla kwanoan fi bayyana su a cikin tsarin tsararru marasa ma'ana na simintin gyaran kafa, kusurwoyi masu kaifi, kuma kaurin bangon simintin ya bambanta;yashi mold (core) yana da mara kyau ja da baya;mold ne partially overheated;zafin da ake zubawa ya yi yawa;Wanda bai kai ba;Maganin zafi yana da zafi ko ƙonewa, kuma yawan sanyaya ya wuce kima.
Yadda za a hana lahani na gwangwani na tagulla: inganta tsarin simintin, guje wa sasanninta masu kaifi, ƙoƙari don kaurin bango iri ɗaya, da sassaucin sauƙi;Ɗauki matakan da za a ƙara yarda da yashi mold (core);tabbatar da cewa duk sassan simintin gyare-gyaren suna da ƙarfi a lokaci guda ko kuma bi da bi, da kuma inganta tsarin zubewa;da kyau rage yawan zafin jiki na zuba;sarrafa lokacin sanyaya na mold;rungumi hanyar gyaran zafi lokacin da simintin ya lalace;daidai sarrafa zafi magani zafin jiki da kuma rage quenching sanyaya kudi.
Bayan kwano tagulla crankshaft da aka lankwasa da maras kyau, eccentric lalacewa faruwa a kan aiki surface na Silinda, da jan karfe hannun riga na karamin karshen na connecting sanda da a haɗa sanda bushing ne overheated da sawa a farkon mataki na m karfe hannun riga, da crank shaft ne kasa a cikin wani conical siffar.Sabili da haka, a cikin gyaran gyare-gyare ko tsaka-tsaki na compressor, ya kamata a duba lanƙwasa na crankshaft, ta yadda za a gano da kuma daukar matakan da suka dace da wuri-wuri, don kauce wa mummunar lalacewa ga hannun rigar tagulla na kayan aikin gona.Kafin dubawa, ya kamata a tsabtace crankshaft kuma a sanya shi a kan firam mai siffar "V" na dandalin dubawa, ko kuma a tura rami na tsakiya a bangarorin biyu na crankshaft a kan lathe tare da tsintsiya, sa'an nan kuma a yi amfani da alamar bugun kira don dubawa.
Yayin dubawa, daidaita alamar bugun kira tare da manyan mujallu guda ɗaya ko biyu a tsakiyar ƙugiya a wurin aunawa, kuma a hankali juya crankshaft da hannu don juyawa ɗaya.Juyawa da aka nuna akan alamar bugun kira shine lanƙwasawa na crankshaft.Sakamakon silinda kunne zobe na jan karfe da aka auna ta wannan hanyar na iya samun babban kuskure, saboda kuma ya haɗa da rashin zagaye na manyan mujallu guda biyu da babban mujallolin da ke goyan bayan firam ɗin "V".Ko lankwasawa na crankshaft yana da wani tasiri;idan haka ne, daidaita lankwasawa lilo na crankshaft bisa ga halin da ake ciki.