Ubwino wa utoto ndi zokutira za varnish zimadalira kukonzedwa kwa matabwa. Asanalandire chithandizo chomaliza, chinyonthocho chiyenera kufufuzidwa bwino, pamwamba pake payenera kutsukidwa bwino, kusalingana kuyenera kudzazidwa ndi kuchotsedwa fumbi.
chinyezi cha nkhuni musanamalize
Mkhuni wopaka utoto uyenera kuumitsidwa kuti ukhale ndi chinyezi cha 10–12%, pamene matabwa oti azipakidwa vanishi ndi kupukuta aziumitsa mpaka 8%.
Pamtunda wamatabwa wokhala ndi chinyezi chambiri, kuyambira 20 mpaka 30%, utoto ndi zokutira za vanishi ndizosavomerezeka ndipo zimatha mwachangu. Chifukwa chake n’chakuti poumitsa, makulidwe a nkhuni amachepetsa poyang’ana mbali ya radial ndi tangential, pamene amachuluka ponyowa.
Ngati miyeso ya nkhuni ikusintha mkati mwa malire akuluakulu, kusungunuka kwa utoto wa scram ndi varnish kumakhala kosakwanira. Mitengo ikauma, kupaka kwake kumakwinya ndi kusenda, ndipo ikanyowa, imalekanitsidwa ndi nkhuni kapena kung’amba m’malo angapo.
makalasi okonzekera, kugaya ndi ukhondo
Pamwambapo amakonzedwa molingana ndi mtundu wa kumaliza:
Pa zowonera zocheperako, kokerani tebulo molunjika kuti muwone zigawo zonse.
| Final processing | Planing | Kugaya | kalasi yaukhondo |
|---|---|---|---|
| Zovala zowoneka bwino | Wavelength 4–2,5 mm | Sanding paper 120 | VI or VII |
| Painting | Wavelength mpaka 2 mm | Sanding paper 120–140 | VIII or IX |
| Kupukuta ndi polishi wa shellac | Wavelength mpaka1 mm, ndiye chitsulo - makina oyendetsa njinga | Sandpaper140-170 | X |
Mitengo yomwe imakutidwa ndi zojambula zomwe zimapanga opaque scrum imakonzedwa koyamba pamapulani, kenako imayikidwa mchenga ku gulu lodziwika bwino laukhondo.
Kudzaza mabampu
Musanayambe kujambula, zolakwika zonse zapamtunda, kuphatikizapo mfundo, zokopa ndi ma nick, ziyenera kusinthidwa ndikudzazidwa.
Mabowo ochokera m’malo otsika ayenera kulumikizidwa kuti njira ya ulusi wa pulagi igwirizane ndi momwe ulusi wa chinthucho ukuyendera.
Kunyowetsa ndi mchenga womaliza
Asanayambe kupukuta ndi varnish, pamwamba pa matabwa ayenera kunyowa pang’ono ndi madzi. Pambuyo 2–3 nthawi yowumitsa, pamwamba pake amasanja ndi sandpaper 170–200 yoikidwa pamphasa yamatabwa yofewa yokhala ndi miyeso 100 × 100 mm.
Kugaya kumachitika pamodzi ndi njere ya nkhuni ndi ngakhale kayendedwe. Pambuyo pa mchenga, chinthucho kapena chinthucho chiyenera kupakidwa ndi nsalu yofewa ndipo fumbi liyenera kutsukidwa ndi burashi.
Kuyamba ndi kudzaza
Musanagwiritse ntchito utoto ndi ma vanishi omwe amapanga zokutira zowoneka bwino, matabwa amawongoleredwa ndi mafuta kapena zoyambira zina. Ngati ndi kotheka, puttying wamba kapena puttying lonse lapansi kumachitika.
Grund ayenera:
- kutseka pores;
- imamanga zokutira ndi matabwa;
- sinthani kumamatira kwa zokutira.
Mtundu wa choyambira ndi chojambulira uyenera kufanana ndi mtundu womwe chinthucho chidzapentidwe.
Pamene mukupukuta ndi kupukuta, kupukuta kumapangidwa ndi zoyambira zapadera zowonekera kapena ma vanishi osungunuka ndi ma polishes omwe adzagwiritsidwa ntchito pomaliza. Mwachitsanzo, pofuna chithandizo chapamwamba kwambiri ndi polichi ya shellac, pamwamba pa matabwa amapangidwa ndi 10% shellac polish.