Lub log crane yog ib qho ntawm feem tseem ceeb ntawm lub crane. Nws yog nyob rau hauv kev sib cuag nrog txoj kev thiab ua lub luag haujlwm ntawm kev txhawb nqa lub crane thauj khoom thiab khiav kev sib kis. Qhov zoo ntawm lub log yog cuam tshuam txog qhov ntev ntawm lub neej ua haujlwm lub neej.
Raws li cov txheej txheem sib txawv ntau lawm, cov log crane tuaj yeem muab faib ua cov log forged thiab nrum log. Peb lub tuam txhab muaj ntau xyoo ntawm lub log crane forging kev paub, thiab tau muab cov khoom lag luam zoo rau kev lag luam hnyav.
Cov ntaub ntawv tseem ceeb ntawm crane log kev puas tsuaj yog hnav, tawv txheej sib tsoo thiab pitting. Txhawm rau txhim kho cov hnav tsis kam thiab lub neej ntawm lub log nto, cov ntaub ntawv ntawm lub log yog feem ntau ntawm kev kho cua sov thaum lub sijhawm ua kom tau cov txheej txheem ua haujlwm. Lub saum npoo hardness ntawm lub log tom qab kev ua haujlwm yuav tsum yog HB300-350, qhov quenching qhov tob tshaj 20mm, thiab lub log uas tsis tau raws li cov cai tau ua kom sov.
Lub log crane yuav tsum mus dhau ntawm qhov kawg hardness sim ua ntej tawm hauv lub hoobkas. Xya-ntsuas nruj ua raws li cov cai ntawm kev tshuaj ntsuam xyuas kev nyuaj ntawm tread saum npoo thiab sab hauv ntawm lub log ntawm lub log cath.
Siv cov kws ntsuas lub harder los ntsuas peb cov ntsiab lus sib luag raws qhov chaw ncig ntawm lub log tsheb, thiab ob ntawm lawv tsim nyog. Thaum lub hardness tus nqi ntawm kev sim taw tes tsis tau raws li qhov yuav tsum tau ua, ob lub ntsiab lus yog ntxiv ua raws li qhov ntsuas ntawm axis. Yog tias ob lub ntsiab lus yog tsim nyog, nws yog tsim nyog.
Thaum kawg, lub log can tuaj yeem muab tso rau hauv tsuas yog tom qab cov ntawv pov thawj zoo thiab tsim daim ntawv pov thawj khoom lag luam yog muab rau lub log uas tau dhau mus kuaj. Muaj peev xwm siv cov ntaub ntawv hlau tsim nyog thiab kev tsim kho cov khoom lag luam thiab kev tsim kho cov tshuab thiab kev kho cua sov yog qhov tseem ceeb ntawm kev ua kom zoo ntawm lub log tsheb crane.