Kev kho cov khoom tiav loj rau steel dov cua sov rauv

Kev kho cov khoom tiav loj rau steel dov cua sov rauv

Los ntawm kev ua piv txwv lub ya shear lub taub hau (tail) los yog tawg dov daim, hnav ntawm dov zawj, siv cov kev taw qhia rail alignment, thiab seb lub yob sib txawv raws li qhov loj ntawm cov dov daim tuaj yeem txiav txim siab. Kev txiav txim tuaj yeem muab faib ua cov xwm txheej hauv qab no:

Qhov dav thiab qhov loj ntawm yob qhov sib txawv ntawm ob sab ntawm cov dov daim yog txawv, qhia tias cov ntawv qhia txawv teb tsis raug ntsia;

Qhov siab qhov loj ntawm cov dov daim yog tsim nyog, thaum qhov dav qhov loj me fluctuates tsawg, qhia tias tsis txaus los yog ntau qhov nro nyob rau hauv cov khoom seem loj;

Pob ntseg muaj ntau yam laj thawj. Ib qho yog tias cov khoom tuaj yeem loj dhau, ua rau lub qhov puv puv thaum nkag mus rau lub tshuab dov tom ntej. Nyob rau hauv cov ntaub ntawv no, tus ntoo khaub lig-section ntawm dov daim yog tag nrho, thiab muaj pob ntseg ntawm ob sab ntawm lub dov daim; Qhov thib ob yog vim li cas qhov compression ntawm lub thav duab no loj heev, thiab cov khoom dov kuj tseem muaj ob sab pob ntseg, thiab qhov siab qhov siab me me dhau; Qhov thib peb yog vim li cas cov lus qhia nkag yog qhov sib skewed, manifested li ib sab ntawm dov daim muaj pob ntseg thiab lwm sab yog kuj undersized; Qhov thib plaub qhov teeb meem yog tias cov lus qhia inlet loj dhau los yog puas lawm. Nyob rau hauv cov ntaub ntawv no, tus ntoo khaub lig-section ntawm dov daim yog tsis xwm yeem thiab muaj pob ntseg ntawm ob sab. Daim ntawv qhia yuav tsum tau hloov raws sijhawm.

Folding feem ntau yog tshwm sim los ntawm pob ntseg lossis khawb ntawm lub hauv ntej ncej thiab tom qab ntawd dov nws, thiab qhov ua rau yuav tsum tau tshawb xyuas tam sim ntawd.

Asymmetric nce thiab nqis (tsis tsim nyog ellipticity), tshwm sim los ntawm cov yob tsis raug lossis cov lus qhia ntau dhau.

Lub caij nplooj ntoos hlav pitted nto, pits, thiab indentations ntawm lub dov daim yog tshwm sim los ntawm lub shedding ntawm nqaij thiab tawg nyob rau hauv lub dov groove.

Hlawv ntoo foob yog ib txoj hauv kev yooj yim thiab siv tau zoo rau kev kuaj xyuas cov khoom siv dov. Tus txheej txheem yog ncaj qha lo ib tug ntoo sawb mus rau qhov sib txawv txoj hauj lwm ntawm lub tsiv liab steel cov menyuam, thiab ces coj tawm thiab saib cov imprint duab ntawm lub burnt ntoo, thiaj li yuav txiav txim siab filling degree ntawm dov daim, phau ntawv qhia thiab lub siv cov menyuam, thiab lwm yam.

Kev hloov kho ntawm cov khoom tiav tiav yuav tsum ua raws li cov kev txiav txim siab saum toj no thiab ua raws li qee txoj kev. Nov yog ob peb txoj hauv kev yooj yim rau kev txiav txim thiab kho:

Los ntawm kev ua piv txwv thiab ntsuas cov khoom tiav qhov loj me los yog saib qhov dav ntawm cov khoom dov los ntawm cov qauv ntawm cov ntoo hlawv, nws yuav tsum tau txiav txim siab tias muaj ntau cov hlau rub thiab dov ntawm cov thav ntawv, thiab lub ntsiab tswj vaj huam sib luag yuav tsum tau ceeb toom rau hauv ib qho raws sij hawm kho kom sai li sai tau;

Qhov luaj li cas ntawm cov dov bar tsis hloov ntau, qhov siab qhov loj yog qhov tsim nyog, thiab qhov dav me ntsis ntawm kev kam rau siab. Cov khoom siv hlau ntawm cov khoom tiav pem hauv ntej lub qhov thiab cov khoom tiav lawm pem hauv ntej lub qhov yuav tsum tau kho. Yog hais tias qhov dav tshaj qhov kam rau ua los ntawm ib tug loj npaum li cas, qhov luaj li cas ntawm dov qhov chaw ntawm tag nrho cov chav tsev yuav tsum tau kho;

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