Kupenda mashizha esimbi zvine mutsindo, kugadzirira kwakaringana pamusoro pepamusoro uye zvigadzirwa zvine hunyanzvi zvakakosha nekuda kwesimbi isina porous, isingaite ngura. Pazasi pane dhairekitori rakazara zvinoenderana nemaitiro eindasitiri:

1. Kugadzirira Kwepasi (Yakanyanya Kukosha Danho)

• Degreasing: Bvisa mafuta, tsvina, kana masara uchishandisa zvinonyungudutsa seacetone, isopropyl alcohol, kana specialized metal cleaners. Ita shuwa kuti pasi pakaoma zvachose mushure.

• Abrasion: Roughen pasi kuti uvandudze kunamatira kwepende:

  • Mechanically abrade ne 120–240 grit sandpaper kana kushandisa sandblasting (kunyanya inoshanda kunzvimbo huru). Izvi zvinogadzira "profile" kuti pendi ibate.

  • Kune yakakwenenzverwa/girazi inopera (semuenzaniso, 8K/12K), abrasion zvine hukasha kwakakosha.

• Rust Treatment: Kana ngura iripo (semuenzaniso, mumawelds kana scratches), bvisa maflakes akasununguka newaya bhurasho uye shandisa anti-rust mafuta kana phosphoric acid-based converters kudzikamisa pamusoro.
• Kuchenesa Zvisaririra: Pukuta guruva kana zvimedu zvinokuvadza nejira remachira kana rag rakanyorova.

2. Priming

• Shandisa simbi-yakananga primer:

  • Self-etching primers: Kemikari inosungirirwa kusimbi isina tsvina (semuenzaniso, epoxy kana zinc-rich formulations).

  • Anti-corrosive primers: Kunzvimbo dzekunze/dzakaoma, funga maprimers ane ngura-inhibiting properties (semuenzaniso, linseed oil-based primers yekuwedzera kusamira kwemvura).

• Isa mune zvitete, kunyange majasi. Bvumira kuomeswa kwakazara sekuenderana nemirairo yemugadziri (kazhinji maawa 1-24).

3. Paint Application

• Mhando dzePendi:

  • Spray Paints (Aerosol): Yakanakira kunyange kufukidzwa pamapepa akatsetseka. Shandisa acrylic, polyurethane, kana enamel maumbirwo akanyorwa simbi. Zunza magaba nesimba kwemaminetsi maviri+ usati washandisa.

  • Brush / Roller: Shandisa yakakwirira-adhesion simbi pendi (semuenzaniso, alkyd kana epoxy). Dzivisa mabhachi akakora kudzivirira madrip.

  • Specialized Options

    • Linseed mafuta pendi: Yakanakira kusimba kwekunze; inoda anti-ngura mafuta undercoat.

    • Powder coating: Professional oveni-yakarapwa kupera kwekusimba kwepamusoro (kwete DIY-inoshamwaridzika).

• Nzira:

  • Bata magaba ekupfapfaidza kure ne20-30 cm.

  • Isa 2-3 mabhachi matete, kumirira 5-10 maminetsi pakati pemajasi kuti usadonha.

  • Chengetedza kupindirana kunoenderana (50%) yekuvhara mayunifomu.

4. Kurapa & Kuisa Chisimbiso

Bvumira pendi kuti irape zvizere (kazhinji maawa 24-72) isati yabata.

Kune nzvimbo dzepamusoro-soro, shandisa polyurethane topcoat yakajeka kuti uwedzere kukwenya / UV kuramba.

Mushure mekurapa: Bvisa overspray nekukasira nezvinonyungudutsa senge mineral spirit.

5. Troubleshooting & Maintenance

• Matambudziko Anowanikwa:

  • Peeling / Blistering: Inokonzerwa nekusacheneswa kwakakwana kana kusvetuka primer.

  • Hove: Mhedzisiro kubva kune zvinosvibisa pamusoro; chenesazve uye jecha rakakanganiswa nzvimbo.

  • Heat Discoloration: Kana welding ikaitika mushure mekupenda, shandisa mhangura / aluminium kupisa sinks kuderedza kukuvara; penya mavanga ne pickling paste.

• Maintenance: Isa zvakare anti-rust mafuta kana yekubata-up pendi makore ese 5-10 ekunze kwekunze 3.

Dzimwe Nzira dzeKupenda

Electroplating: Deposits chromium, zingi, kana nickel yekuomarara / kuomarara kuramba.

Thermal Spraying: HVOF / plasma coatings yekunyanyisa kupfeka kuramba (kushandiswa kwemaindasitiri).

Decorative Finishes: Pre-colored Stainless steel sheets (semuenzaniso, girazi regoridhe, brushed) kubvisa pendi zvinodiwa.

Safety Notes

Shanda munzvimbo ine mhepo; shandisa zvinofema pendi yekupfapfaidza.

Chengetedza pendi pasi pe45 ° C uye urase mamvemve zvakanaka (linseed-mafuta-yakanyoroveswa zvinhu zvinogona kuzvipisa).

Pro Tip: Pakushandisa kwakakosha (semuenzaniso, mota kana yekuvaka), edza maitiro ako ekugadzirira / pendi pachidimbu chidiki chekutanga. Adhesion kutadza pasimbi isina tsvina inenge nguva dzose nekuda kwekusakwana kwepamusoro prep!