ʻO nā ʻāpana Excavator ZAX330 ka mea lawe kaila
Hitachi ZAX330 kaʻa kaʻa kaʻahe ʻāpana chassis koʻikoʻi oHitachi ZAX330excavator, i kūpono no kēia kŘkohu a me kekahi mau excavators o ka like series.It i hana 'ia me ke kiʻekiʻe kiʻekiʻe 40Mn2 kila forging, tempered a me ka medium frequency induction surface quenching wela wela, ikaika kiʻekiʻe, maikaʻi lole pale pale, ili oolea o HRC50-56, ʻO ka hohonu o ka papa paʻakikī o 8-12mm. Eia kekahi, ua hana ʻia ka lāʻau me 45 # kila e like me ka mālama ʻana i ka wela, ka hana holoʻokoʻa maikaʻi, ua hoʻolako pū ʻia me ka hana kiʻekiʻe Cr-Al alloy floating seal a me nā nitrile rubber O-rings, e hōʻoiaʻiʻo ana i ka maʻalahi o ka mea kolo i ka wā o ka excavator. hiki ke hōʻoia i ka holo mālie o nā ala i ka wā e hele ai ka excavator a hoʻemi i ka haʻalulu a me ka lole o nā ala.