Ingantattun hanyoyin cin gashin kai na kiwon lafiya don masana'antu masu kawowa | Shangdong Yeehng

Masu kula da zafi suna ɗauke da kayan aikin ci gaba wadanda suka hada da samun raigee (L10 Rating), sa jingina, da kwanciyar hankali. Samar da zamani yana buƙatar ± 3 ° CLINA da aiwatar da karfin cpk≥1.33. Core jerin: Sperosizing → Quenching → Queyching → Lower-zazzabi yaudara → Tsarewa.

1.Spheosizing anning

Manufar: Rage magin hanyoyin sadarwa na Carbide (≤grade 2), samar da homogeneous pearlite ≥90%, diamita 0.2-0.6μ. Yarjejeniya biyu-mataki:

• Mataki na 1: 790 ± 10 ° C × 2-4h Austenitization (m carbide rushewa
• Mataki na 2: 710 ± 10 ° C × 4-6h Slow Soling (≤ 200 ° C / H) zuwa 650 ° C, Kulawa mai sanyayaYana hana hazo a cikin m carbide

M siarya: Girman hatsi 7-8 (Astm E112)

2. Aikin tsari

Gishiri (bacl₂: kcl = 3: 1) ko yanayi mai kariya (N₂-ch₃oh, sasalin oxygen ≤0%):

• Gcr15 Karfe: 845 ± 5 ° C × Lokaci
• Kurawa Kinetics: 800 [500 → 500 → 500 ° C Cooling kudi ≥45 ° C / s (guji Ferrite samuwar), jinkirin sanyaya ƙasa 300 ° C
• Target: Cryptocrystalline Marwencite (> 95%, allura tsawon ≤0.02mmm) + ya riƙe austenite (<5%)

Barbashin-muster-zafin jiki

150-180 ° C × 2-4H (± 3 ° C) a ciki tilasta fitar da iska mai iska:

• ε-fee₂.ca hazo a cikin Martensite, Hardness 61-65 HRC
• Austenite bazuwar:> 80% (xrd tabbata)
• Tsarin agaji: σ_residual = σ_iniitial × e ^ (- 0.02t) (t a cikin awanni)

4.specials SPECETSES & Sabon

• Austempering: 230 ± 10 ° C Salon wanka × 2h → Karamin Bainite (58-62 HRC, KCVKe050J / CMV≥50J / CMV)
• Zurfin murhu: -70 ° C ° C × 4h (SPIN NITROGEN fesa), Austenite → Mottencessite> 95%
• Laser Hardening: 1064nm zazzabi yana haifar da zurfin 0.3mm yanayin, ↑ 40% sadatata rayuwar fata

Tsarin Tabbatar da Tabbatarwa: