Ade titiriw a wɔyɛ wɔ hot-dip galvanized kɔndua mprɛte ho no di akɔneaba wɔ "substrate dwumadie → surface pretreatment → hot-dip galvanizing → post-treatment → nhwehwɛmu ne shipment" ho. Anamɔn biara hwehwɛ sɛ wodi pɛpɛɛpɛ, ahotew, ne nea wɔde kata so no so denneennen na ama wɔahwɛ ahu sɛ mfiri no su, ɛko tia nsɛe, na mprɛte a ɛka bom no hyia. Anamɔn pɔtee no ne nea edidi so yi:
Substrate paw: Gyina voltage level (110kV/220kV/500kV/UHV) ne rated load a ɛwɔ connecting plate no so, paw low alloy high strength steel plates anaa forgings a ɛne gyinapɛn te sɛ GB/T 700 (Q235) ne GB/T 1591 (Q345) hyia na ama woahwɛ ahu sɛ substrate no ankasa tensile ne shear ahoɔden du gyinapɛn ahorow no ho (kwati akyiri yi abubu esiane sintɔ ahorow a ɛwɔ substrate no mu nti).
Nneɛma a wɔde twa: Wɔde CNC ogyaframa a wɔde twa, plasma twitwa, anaa laser twa di dwuma no, wotwitwa dade mprɛte no mu ayɛ no blanks sɛnea mprɛte no nsusuwii a ɛka bom no nsusuwii (ahinanan, ahinanan, Y-nsusuwii, ne nea ɛkeka ho) te. Ahwehwɛdeɛ titire: Ɛsɛ sɛ ntwamutam no yɛ petee, ɛnyɛ burrs, mpaapaemu, anaa oxide nkaeɛ, na ɛsɛ sɛ wɔhwɛ dimensional mfomsoɔ no so wɔ ±1mm mu (na ama wɔahwɛ sɛ dwumadie a ɛdi hɔ no yɛ pɛpɛɛpɛ).
Stamping: Wɔ mprɛte a ɛyɛ den anaa ahorow a ɛho hia sɛ wɔde nhyɛso kɛse ba ho no, ɛsɛ sɛ wɔde blanks no gu forging press anaa stamping press mu bere a wɔatwitwa akyi no na wɔde die forging yɛ no na ama dade no mu nnua no ayɛ yiye na ama ahoɔden no nyinaa atu mpɔn.
Mfiridwuma Tokuru: Wɔde CNC drilling mfiri anaa mfiri mfinimfini di dwuma, bolt ntokuru, ntokuru a ɛsensɛn hɔ, ne nkitahodi ntam nkitahodi afoforo a ɛwɔ ɔhyew-dip galvanized kɔndua mprɛte no mu no yɛ mfiri pɛpɛɛpɛ sɛnea mfonini ahorow no kyerɛ. Wɔhwɛ tokuru no ntwemu abodwokyɛre so wɔ H12 grade (±0.15mm) mu, na tokuru no ntam kwan mfomso no sua sen anaasɛ ɛne ±0.5mm yɛ pɛ de hwɛ hu sɛ ɛne insulators, clamps, ne hardware afoforo bolts hyia pɛpɛɛpɛ. Wɔyɛ tokuru no anoano kurukuruwa (R Kɛse sen anaasɛ ɛne no yɛ pɛ 2mm) sɛnea ɛbɛyɛ a wɔbɛkwati nhyɛso a ɛnam anoano a ano yɛ nnam de ba no ano na wɔasiw ade a wɔde kata so no ano bere a wɔreyɛ galvanizing no.
Edge grinding: Fa grinding wheel anaa afiri a wɔde yɛ polishing twitwa anoano, mmubue, ne n’afã a ɛwɔ connecting plate no so de yi burrs, flash, ne machining agyiraehyɛde fi hɔ; sesa na siesie afã horow a asɛe no na ama woahwɛ ahu sɛ mfomso a ɛwɔ mprɛte a ɛka bom no mu a ɛyɛ tratraa no sua sen anaasɛ ɛne 2mm/m yɛ pɛ.
Alkaline degreasing: Fa mprɛte a ɛka bom no hyɛ alkaline degreasing tank mu wɔ digrii 60-80 mu simma 10-20 na yi ngo a ɛwɔ soro, nsu a wɔde twa, ne mfutuma fi hɔ; fa nsu pa hohoro mu yiye na ama ngo biara nka ho. Pickling de yi rust: Fa degreased connecting plate no gu 15-20% hydrochloric acid pickling tank mu simma 15-30 na yiyi surface oxide scale, rust, ne rolling oxide film; kankan no daa bere a woreyɛ pickling no na amma nkannare a enni hɔ no mfi mmeae bi.
Fluxing treatment: Fa prɛte a wɔahohoro no gu flux bath mu wɔ 70-80℃na fa gu mu simma 3-5 ma ɛnyɛ flux film a ɛyɛ pɛ wɔ soro. Saa sini yi betumi atew mframa no afi afoforo ho na asiw oxidation a ɛto so abien a ɛba substrate no mu ano; ɛsan nso brɛ zinc nsu no ani nhyɛso ase, na ɛma zinc nsu no tumi kata substrate no ani pɛpɛɛpɛ.
Zinc a wɔde gu nsuo mu ayaresa: Fa hanger soronko bi di dwuma de hyɛ mprɛte a ɛka bom a ayow no mu tẽẽ kɔ zinc nsuo no mu na fa gu mu simma 3-5 de hwɛ sɛ zinc nsuo no bɛma substrate no ani ayɛ nsuo koraa na ayɛ zinc-dade a wɔde afra a ɛyɛ dadeɛ a wɔde abɔ mu + zinc layer composite structure a ɛho tew. Eyi nso ne adeyɛ a ɛho hia sen biara wɔ kɔndua mprɛte a wɔde galvanized ahyɛ mu a ɛyɛ hyew mu.
Zinc onwini a wɔahyɛ so: Wɔma mprɛte a wɔde zinc-ahyɛ mu no so nkakrankakra fi zinc nsu no mu, na wɔde hanger anaa mframa sekan a ɛwosow bɔ zinc nsu a ɛboro so wɔ soro no de hwɛ sɛnea ade a wɔde kata so no mu duru so; afei wɔde gu nsukorabea a ɛma onwini mu ma ɛyɛ nwini ntɛmntɛm, na ɛma ahwehwɛ a wɔde kata so no mu tew na ɛma ɛyɛ den na ɛko tia sɛ ɛbɛsɛe;
Ahotew ne polishing: Sɛ ɛyɛ nwini wie a, fa waya brush anaa grinding wheel tew zinc nodules, zinc akuru, ne fixture marks a ɛwɔ hot-dip galvanized yoke plates no ani no ho na ama woahwɛ ahu sɛ ɛyɛ mmerɛw yɛ nea ɛto so abien a wobɛhohoro abue no ho na woakwati sɛ coating buildup bɛka bolt insertion.
