Mujallun crankshaft (ciki har da manyan mujallu da mujallu masu haɗa sanda) sune mahimman abubuwan da ke watsa ikon injin. Dangane da buƙatun ma'aunin GB/T 24595-2020 na ƙasa, taurin sandunan ƙarfe da aka yi amfani da su don crankshafts dole ne a sarrafa su sosai bayan quenching da tempering. Duk masana'antun kera motoci na cikin gida da na ƙasa da ƙasa suna da ƙayyadaddun ƙa'idodi na wajibi don taurin mujallolin crankshaft, kuma gwajin taurin hanya ce mai mahimmanci kafin samfurin ya bar masana'anta.
Dangane da GB/T 24595-2020 Karfe Bars don Motar Crankshafts da Camshafts, taurin saman mujallolin crankshaft zai cika buƙatun HB 220-280 bayan quenching da tempering.
Ma'auni ASTM A1085 (wanda American Society for Testing and Materials, ASTM ta fitar) ya nuna cewa taurin haɗa jaridun sanda don crankshafts na motar fasinja zai zama ≥ HRC 28 (daidai da HB 270).
Ko daga hangen nesa na bangaren samarwa don guje wa farashin sake yin aiki da kare martaba mai inganci, bangaren mai amfani don hana gajeriyar rayuwar sabis na injin da kasadar kasada, ko bangaren tallace-tallace don guje wa haɗarin aminci, yana da mahimmanci a hana samfuran da ba su da inganci shiga kasuwa da gudanar da gwajin taurin crankshaft daidai da ƙa'idodi.
Gwajin taurin Rockwell ƙwararre don crankshafts wanda kamfaninmu ya samar yana gane cikakkun ayyuka masu sarrafa kansa kamar motsi na crankshaft workbench, gwaji, da watsa bayanai. Yana iya yin gwajin taurin Rockwell da sauri (misali, HRC) akan taurare yadudduka na sassa daban-daban na crankshaft.
Yana amfani da tsarin sarrafa madauki na lantarki don lodi da gwaji, wannan mai gwadawa yana da cikakken sarrafa kansa tare da maɓalli ɗaya (kusa da aikin aiki, ɗaukar kaya, ɗaukar kaya, karantawa, da sakin kayan aikin duk ana yin su ta atomatik, kawar da kuskuren ɗan adam).
Tsarin ƙugiya na crankshaft yana ba da atomatik da na hannu gaba da baya, tare da zaɓin hagu, dama, da sama da ƙasa, yana ba da damar auna kowane wurin crankshaft.
Makullin matsayi na zaɓi na crankshaft yana ba da madaidaiciyar kulle kai, yana kawar da haɗarin zamewar kayan aiki yayin aunawa.
Lokacin aikawa: Oktoba-13-2025
