Ogo nke agba na mkpuchi varnish na-adabere na nkwadebe nke elu osisi. Tupu ọgwụgwọ ikpeazụ, a ga-enyocha iru mmiri, ihicha elu ya nke ọma, jupụta na adịghị mma ma wepụ uzuzu.
Osisi mmiri tupu emechaa
Osisi a ga-ese ga-akpọnwụ ka ọ bụrụ mmiri dị n’ime ya10-12%, ebe osisi a ga-agbaze ma na-egbu maramara na-akpọnwụ8%.
N’elu osisi na elu iru mmiri, si20ka30%, agba na varnish na-anabata nke ọma ma na-agwụ ngwa ngwa. Ihe kpatara ya bụ na mgbe ihicha, akụkụ nke osisi na-ebelata na radial na tangential ntụziaka, ebe ha na-abawanye mgbe wetting.
Ọ bụrụ na akụkụ nke osisi na-agbanwe n’ime oke buru ibu, ngbanwe nke agba scram na varnish na-aghọ ezughi oke. Mgbe osisi na-akpọnwụ, mkpuchi ahụ na-agbaji ma na-akpụ akpụ, na mgbe ọ na-agba mmiri, ọ na-ekewapụ na osisi ma ọ bụ anya mmiri n’ọtụtụ ebe.
klaasị nhazi, ịsụ nri na ịdị ọcha
A na-akwado elu dị ka ụdị mmecha:
N'ihuenyo dị warara, dọrọ tebụl ahụ n'ahịrị ka ịhụ ogidi niile.
| Nhazi ikpeazụ | Nhazi | Na-egweri | Klas ịdị ọcha |
|---|---|---|---|
| Ihe mkpuchi na-adịghị mma | Ogologo ebili mmiri4-2,5 mm | Akwụkwọ aja120 | VI ma ọ bụ VII |
| Ịgbanwe | Ogologo ogologo ruo2 mm | Akwụkwọ aja120-140 | VIII ma ọ bụ IX |
| Na-ehicha akwa na shellac | Ogologo ogologo ruo1 mm, mgbe ahụ ígwè - igwe ịgba ígwè | Akwụkwọ aja140-170 | X |
A na-ebu ụzọ ahazi osisi ndị a na-ese ihe ndị na-ese ihe na-emepụta ihe na-adịghị ahụkebe n’osisi a na-eji akwọ ụgbọ mmiri, ma na-awụsa ya na klas nke ịdị ọcha a kapịrị ọnụ.
Na-ejuputa akpụ akpụ
Tupu eserese, ihe niile na-adịghị mma n’elu, gụnyere eriri, ncha na nicks, kwesịrị ịchacha ma jupụta.
Ekwesịrị ịgbanye oghere site na oghere ndị a tụfuru ka ntụzịaka nke eriri nke nkwụnye ahụ dabara na ntụzịaka nke eriri nke mmewere.
Imi mmiri na ájá ikpeazụ
Tupu polishing na varnishing, elu nke osisi kwesịrị ịdị ntakịrị mmiri mmiri. Mgbe2-3mgbe ihichachara, a na-eji akwụkwọ ájá mee ka elu ahụ dị nro170-200enịm n’elu a softwood ute nke akụkụ100×100 mm.
A na-eme ihe na-egweri n’akụkụ ọka nke osisi na ọbụna mmegharị. Mgbe aja aja, ngwaahịa ma ọ bụ mmewere kwesịrị iji akwa akwa dị nro na-ehicha ya ma jiri ahịhịa na-ehicha ya.
Priming na njuputa
Tupu itinye agba na varnishes nke na-etolite mkpuchi opaque, a na-eji mmanụ ma ọ bụ ihe ndị ọzọ na-emepụta osisi ahụ. Ọ bụrụ na ọ dị mkpa, mgbe ahụ, a na-eme ntinye nke mpaghara ma ọ bụ ntinye nke elu dum.
Ntọala kwesịrị:
- mechie pores;
- na-ejikọta mkpuchi na osisi;
- melite athesis nke mkpuchi.
Agba nke primer na filler putty kwesịrị kwekọọ na agba nke a ga-ese ngwaahịa ahụ.
N’oge varnishing na polishing, a na-eme priming na pụrụ iche transperent primers ma ọ bụ thinned varnishes na polishes nke a ga-eji maka imecha. Dịka ọmụmaatụ, maka nhazi dị elu nke nwere shellac polish, a na-emepụta elu osisi ahụ10%shellac Polish.