Cov teeb meem zoo ntawm cov yeeb nkab dov txias thiab kev tiv thaiv

Cov qhov tsis zoo tseem ceeb ntawm cov kav dej hlau txias-kuav suav nrog: phab ntsa tuab tsis sib xws, sab nraud txoj kab uas hla tsis kam, qhov tawg ntawm qhov chaw, wrinkles, dov folds, thiab lwm yam.

① Kev txhim kho qhov tuab ntawm phab ntsa ntawm lub raj xa dej yog ib qho tseem ceeb kom ntseeg tau tias cov phab ntsa tuab ntawm cov kav hlau txias dov.

② Xyuas kom meej tias qhov tuab ntawm phab ntsa raug thiab qhov zoo ntawm cov yeeb nkab, qhov zoo ntawm cov roj nplua nyeem thiab qhov tiav ntawm qhov chaw ntawm lub cuab yeej dov yeeb nkab yog qhov tseem ceeb rau kev txhim kho qhov tuab ntawm phab ntsa raug ntawm lub raj txias dov. Yuav tsum tiv thaiv kom tsis txhob muaj cov yeeb nkab ntau dhau lossis tsis muaj cov roj nplua nyeem, thiab yuav tsum tiv thaiv kom tsis txhob muaj cov roj nplua nyeem ntau dhau lossis tsis muaj cov roj nplua nyeem. Yog tias muaj cov hlau oxide seem lossis cov nplai seem tshwm sim, ua kom cov cuab yeej dov yeeb nkab txias dua thiab tshuaj xyuas qhov zoo ntawm qhov chaw ntawm lub cuab yeej, thiab hloov cov pas nrig mandrel thiab cov blocks dov uas tsis tsim nyog sai sai.

③ Txhua yam kev ntsuas los txo qhov kev dov lub zog yog qhov zoo rau kev txhim kho qhov tseeb ntawm lub raj hlau, suav nrog kev ua kom lub raj khoob, txo qhov ntau ntawm kev dov deformation, txhim kho qhov zoo ntawm lub raj khoob thiab qhov tiav ntawm lub raj dov cuab yeej, thiab lwm yam, siv Siv cov ntaub ntawv uas muaj zog thiab tawv los ua cov cuab yeej dov yeeb nkab, thiab txhawb kev txias thiab kev tshuaj xyuas cov cuab yeej dov yeeb nkab. Thaum pom tias cov cuab yeej dov yeeb nkab tau hnav hnyav, lawv yuav tsum tau hloov pauv raws sijhawm kom tiv thaiv lub raj hlau kom tsis txhob dhau qhov kev kam rau siab.

④ Cov kab nrib pleb ntawm qhov chaw ntawm cov kav hlau uas tsim tawm thaum lub sijhawm dov txias yog tshwm sim los ntawm kev hloov pauv tsis sib xws ntawm cov hlau. Txhawm rau kom tiv thaiv cov kab nrib pleb ntawm qhov chaw ntawm cov kav hlau thaum lub sijhawm dov txias, lub raj seem yuav tsum tau annealed thaum tsim nyog kom tshem tawm cov haujlwm tawv ntawm cov hlau thiab txhim kho qhov plasticity ntawm cov hlau.

⑤ Qhov ntau ntawm kev dov deformation muaj qhov cuam tshuam tseem ceeb rau qhov tawg ntawm cov kav hlau txias. Kev txo qhov deformation kom zoo yog ib txoj hauv kev zoo heev los txo qhov tawg ntawm cov kav hlau.

⑥ Kev txhim kho qhov tiav ntawm cov cuab yeej dov yeeb nkab thiab qhov zoo ntawm cov yeeb nkab yog cov kev ntsuas nquag los tiv thaiv kev tawg hauv cov yeeb nkab hlau.

⑦ Los ntawm kev ua kom sov thiab kho lub raj kom txo qhov tsis kam ntawm cov hlau, txo qhov deformation, thiab txhim kho qhov zoo ntawm cov cuab yeej dov raj thiab qhov zoo ntawm lubrication, thiab lwm yam, nws yog qhov zoo rau kev txo qhov tshwm sim ntawm cov yeeb nkab dov hlau thiab khawb qhov tsis zoo.