Qhov tseem ceeb ntawm kev xaiv tsim nyog ntawm nws pib stamping qhov chaw

Ntau cov txheej txheem txias stamping yog siv rau hauv kev tsim cov tsheb stamping qhov chaw, uas yog tsim rau cov kev xav tau ntawm ntau yam thiab ntau lawm ntawm tsheb stamping qhov chaw lag luam. Hauv cov tsheb nruab nrab thiab hnyav, feem ntau ntawm cov npog qhov chaw xws li lub vaj huam sib luag sab nraud ntawm lub cev, thiab qee qhov kev thauj khoom thiab kev txhawb nqa xws li lub thav duab, tsheb thauj mus los thiab lwm yam khoom siv tsheb yog cov tsheb stamping qhov chaw. Cov hlau siv rau txias stamping feem ntau yog steel phaj thiab steel siv, suav txog 72.6% ntawm cov hlau siv tag nrho lub tsheb, kev sib raug zoo ntawm cov khoom kub stamping thiab kev tsim cov tsheb stamping qhov chaw yog ze heev, cov khoom tsis zoo. tsuas yog txiav txim siab qhov kev ua tau zoo ntawm cov khoom, tab sis kuj ncaj qha cuam tshuam rau tus txheej txheem tsim ntawm lub tsheb stamping qhov txheej txheem, cuam tshuam rau qhov zoo, tus nqi, kev pab cuam lub neej thiab ntau lawm lub koom haum ntawm cov khoom, yog li qhov tsim nyog xaiv cov ntaub ntawv yog ib qho tseem ceeb thiab complex ua hauj lwm.