1. Lub fastener no tsis muaj mob.
2. Lub koom haum martensite ntawm lub hardened txheej yog qhov zoo, thiab lub hardness, lub zog thiab tawv yog siab dua.
3. Tom qab nto leenching, txheej saum npoo ntawm lub workpiece muaj kev ntxhov siab ntau dua, kev ua haujlwm nkees nkees ua haujlwm tau muaj peev xwm siab dua.
4. Nws tsis tsim nyog rau cua sov tag nrho, deformation me me ntawm cov yeeb nkab steel fasteners, kev noj lub zog me me.
5. Cov khoom siv cua sov tuaj yeem ntsia tau rau hauv kab machining, yooj yim kom pom kev siv tshuab ua haujlwm, txuag tau kev thauj mus los, txhim kho ntau lawm.
6. Cua sov ceev, workpiece nto oxidation decarburization yog lub teeb.
7. Cov txheej hardened rau saum npoo ntawm cov yeeb nkab steel fasteners tuaj yeem hloov kho raws li cov kev xav tau, yooj yim los tswj.
Lub Sijhawm Post: Nov-21-2023