Hunhu hwepende uye varnish yekuputira zvinoenderana nekugadzirira kwehuni hwehuni. Pamberi pekurapa kwekupedzisira, hunyoro hunofanira kuongororwa, nzvimbo inofanira kucheneswa zvakanaka, kusaenzana kunofanira kuzadzwa uye guruva rinofanira kubviswa.
mwando wehuni usati wapedza
Huni dzinofanira kupendwa dzinofanira kuomeswa kuita mwando we 10–12%, ukuwo huni dzichaitwa vanishi nekukwenenzverwa dzinofanira kuomeswa kusvika 8%.
Padenga rehuni rine hunyoro hwepamusoro, kubva 20 kusvika 30%, pendi uye mavhanishi machira haagamuchirwe uye anosakara nekukurumidza. Chikonzero ndechekuti pakuoma, zviyero zvehuni zvinodzikira muradial uye tangential directions, nepo zvichiwedzera pakunyorova.
Kana zviyero zvehuni zvichichinja mukati memiganhu mikuru, elasticity ye scram pendi uye varnish inova isina kukwana. Apo huni hunooma, kuvhara kunoputika uye kusvuura, uye kana kunyorova, inoparadzaniswa nematanda kana kubvarura munzvimbo dzakawanda.
Kuronga, kukuya uye utsanana makirasi
Pamusoro pakagadzirirwa zvinoenderana nerudzi rwekupedzisa:
Pamasikirini madiki, dhonza tafura yakachinjika kuti uone makoramu ese.
| Final processing | Kuronga | Kukuya | Kirasi yehutsanana |
|---|---|---|---|
| Opaque coatings | Wavelength 4–2,5 mm | Sanding paper 120 | VI kana VII |
| Painting | Wavelength kusvika 2 mm | Pepa 120–140 | VIII kana IX |
| Kupenya neshellac polish | Wavelength kusvika1 mm, ipapo simbi - muchina webhasikoro | Sandpaper140-170 | X |
Iyo huni yakafukidzwa nezvinhu zvekupenda zvinoumba opaque scrum inotanga kugadziriswa pamapurani, uye yobva yaiswa jecha kukirasi yakatarwa yehutsanana.
Kuzadza mabumps
Usati wapenda, zvese zvisiri izvo zvepasi, kusanganisira mapfundo, zvikweshwa uye nick, zvinofanirwa kukwenenzverwa uye kuzadzwa.
Makomba kubva kunodhi akadonha anofanirwa kuvharwa kuitira kuti kutungamira kwemafibers eplug kuenderane negwara remafibhi echinhu.
Kunyorova uye kwekupedzisira jecha
Usati wapukuta uye varnishing, pamusoro pehuni inofanira kunge yakanyoroveswa nemvura. Mushure2-3mushure mekuoma, nzvimbo yacho inonatswa ne sandpaper170-200akaiswa pamusoro pemeti yakapfava yezviyero100×100 mm.
Kukuya kunoitwa pamwe chete nezviyo zvehuni pamwe nekufamba. Mushure mekuita jecha, chigadzirwa kana chinhu chinofanira kukwizwa nechidimbu chemucheka munyoro uye guruva rinofanira kucheneswa nebhurashi.
Priming uye kuzadza
Usati washandisa pendi uye varnishes zvinogadzira opaque coatings, huni hunogadzirwa nemafuta kana imwe primer. Kana zvichidikanwa, ipapo puttying yemunharaunda kana puttying yepasi rese inoitwa.
Grund inofanira:
- kuvhara pores;
- inosunga iyo yekuputira nehuni;
- kunatsiridza kunamatira kwekunamatira.
Ruvara rweprimer nefiller ngaruenderane neruvara ruchapendwa narwo chigadzirwa.
Kana varnish uye kupukuta, priming inoitwa neakakosha maprimers akajeka kana mavarnish akacheneswa uye polishes ayo achashandiswa kupedzisa. Semuenzaniso, pakurapwa kwemhando yepamusoro neshellac polish, huni hunoiswa 10% shellac polish.