Cold drawn steel yeeb nkab txheej txheem

May 22, 2022

Tso lus


Cov phab ntsa tuab ntawm cov yeeb nkab txias-daws steel yuav tsum tsis sib xws, thiab qhov chaw sab hauv thiab sab nrauv yuav tsum tsawg dua; cov txheej txheej polishing thiab sab hauv lub qhov tsis xws luag yuav tsum tau nruab. Lub hom phiaj tseem ceeb yog los xyuas kom meej tias sab nrauv ntawm lub raj capillary tsis muaj qhov tsis xws luag xws li cov quav thiab cov kab nrib pleb, thiab tshem tawm cov hlab ntsha capillary uas muaj qhov tsis xws luag xws li folds, cov ntawv sau loj, thiab pockmarks ntawm sab hauv.


Cold-drawn steel yeeb nkab yog cov txheej txheem tseem ceeb hauv txhua qhov kev tsim cov yeeb nkab txias. Qhov zoo ntawm annealing cuam tshuam rau ob qho tib si kev ua haujlwm ntawm cov yeeb nkab steel thiab tshem tawm cov hlau oxide nplai. Cold-drawn steel yeeb nkab yuav tsum tau nruab nrog cov khoom siv hluav taws xob uas tsis yog oxidative ci ntsa iab annealing rauv, pickling thiab kos duab txias. Nyob rau hauv cov txheej txheem ntawm sulfuric acid pickling, cov yeeb nkab steel yog nquag tsim "black slag" tsuas yog tsim los ntawm Fe2O3 thiab Fe3O4, uas yuav tsim cov pob dub ntawm qhov chaw hauv kev tsim khoom tom ntej.


Lub lubricating ntawm txias-draw steel kav yuav tsum tau ua los ntawm cov resin, uas yog pom tseeb txawv ntawm phosphating thiab lubrication (saponification). Zoo saib tiav zoo li lub raj.


Xa kev nug