Gilashin gilashishafi ne mai muhimmanci surface jiyya mahada a fagen kwaskwarima marufi. Yana ƙara kyakkyawan gashi ga kwandon gilashi. A cikin wannan labarin, mun raba wani labarin game da gilashin kwalban feshin magani & ƙwarewar daidaita launi.
Ⅰ, Gilashin kwalban fenti fenti yi aikin basira
1. Yi amfani da ruwa mai tsafta ko ruwa don daidaita fenti zuwa danko mai dacewa don fesa. Bayan aunawa tare da viscometer Tu-4, danko mai dacewa shine gabaɗaya 18 zuwa 30 seconds. Idan babu viscometer a halin yanzu, zaka iya amfani da hanyar gani: motsa fenti tare da sanda (baƙin ƙarfe ko sandar katako) sannan ka ɗaga shi zuwa tsayin 20 cm kuma ka tsaya don lura. Idan fenti bai karye cikin kankanin lokaci ba (yan dakiku), ya yi kauri sosai; idan ya karye da zarar ya fita daga gefen bokitin na sama, ya yi siriri sosai; idan ya tsaya a tsayin santimita 20, fentin yana cikin layi madaidaiciya kuma yana tsayawa yana kwararowa kuma yana ɗigowa ƙasa nan take. Wannan danko ya fi dacewa.
2. Ya kamata a sarrafa karfin iska a 0.3-0.4 MPa (3-4 kgf / cm2). Idan matsa lamba ya yi ƙasa sosai, ruwan fenti ba zai zama mai kyau ba kuma rami zai yi a saman; idan matsi ya yi yawa, zai yi sauri ya ragu kuma hazo na fenti zai yi yawa, wanda zai lalata kayan aiki kuma yana shafar lafiyar ma'aikacin.
3. Nisa tsakanin bututun ƙarfe da saman shine gabaɗaya 200-300 mm. Idan ya yi kusa sosai, zai yi saurin sawa; idan ya yi nisa sosai, hazo na fenti ba za ta yi daidai ba kuma rami zai bayyana cikin sauƙi, kuma idan bututun ya yi nisa daga saman, hazon fenti zai tashi a kan hanya, yana haifar da lalacewa. Ya kamata a daidaita ƙayyadaddun ƙayyadaddun tazara daidai gwargwadon nau'in, danko da matsa lamba na fenti gilashin. Tazara na fenti mai bushewa a hankali yana iya zama mai nisa, kuma yana iya yin nisa lokacin da danko ya zama bakin ciki; lokacin da karfin iska ya yi girma, tazara na iya zama mai nisa, kuma yana iya zama kusa lokacin da matsa lamba ya yi kadan; abin da ake kira kusa da nisa yana nufin kewayon daidaitawa tsakanin 10 mm da 50 mm. Idan ya wuce wannan kewayon, yana da wahala a sami fim ɗin fenti mai kyau.
4. Za a iya motsa bindigar fesa sama da ƙasa, hagu da dama, zai fi dacewa a daidaitaccen gudu na 10-12 m / min. Ya kamata a fesa bututun ƙarfe a saman abin, kuma a rage yawan feshin da ba a taɓa gani ba. Yayin da ake fesawa a gefen biyu na saman, sai a gaggauta sakin hannun da ke riqe da bindigar fenti don rage hazon fenti, domin sau da yawa gefen biyu na saman abin yana samun feshi fiye da biyu, kuma wuraren da ake ɗigowa. mafi kusantar faruwa.
5. Lokacin da ake fesawa, Layer na gaba ya kamata ya danna 1/3 ko 1/4 na Layer na baya, don kada ya ɓace. Lokacin fesa fenti mai bushewa da sauri, ya zama dole a fesa shi cikin tsari lokaci guda. Sakamakon sake fesa ba shi da kyau.
6. Lokacin da ake fesa a cikin buɗaɗɗen wuri a waje, kula da yanayin iska (bai dace da yin aiki a cikin iska mai karfi ba), kuma mai aiki ya kamata ya tsaya a cikin hanyar iska don hana hazo mai fenti a kan fesa. fenti fim da haifar da abin kunya granular surface.
7. Tsarin fesa shine: mai wahala farko, mai sauƙi daga baya, ciki farko, waje daga baya. Babban farko, ƙananan baya, ƙaramin yanki na farko, babban yanki daga baya. Ta wannan hanyar, hazo ɗin fenti da aka fesa daga baya ba zai fantsama kan fim ɗin fenti da aka fesa ba kuma ya lalata fim ɗin fenti da aka fesa.
Ⅱ, Gilashin kwalaben fenti launi daidaitattun basira
1. Asalin ka'idar launi
Ja + rawaya = orange
Ja + blue = purple
Yellow + purple = kore
2. Ka'idodin asali na launuka masu dacewa
Ja da kore suna da alaƙa, wato ja na iya rage kore, kore kuma na iya rage ja;
Yellow da purple suna da alaƙa, wato rawaya na iya rage shuɗi, kuma shuɗi na iya rage rawaya;
Blue da orange suna da alaƙa, wato shuɗi na iya rage lemu, kuma orange na iya rage shuɗi;
3. Ilimin asali na launi
Gabaɗaya, launin da mutane ke magana game da shi ya kasu kashi uku: hue, lightness and saturation. Hue kuma ana kiransa hue, watau ja, orange, yellow, green, cyan, blue, purple, etc.; haske kuma ana kiransa haske, wanda ke bayyana haske da duhun launi; jikewa kuma ana kiransa chroma, wanda ke bayyana zurfin launi.
4. Ka'idodin asali na daidaita launi
Gabaɗaya, kar a yi amfani da fenti fiye da iri uku don daidaita launi. Haɗa ja, rawaya da shuɗi a wani ƙayyadadden ƙima na iya samun launukan tsaka-tsaki daban-daban (watau launuka masu launuka daban-daban). Dangane da launuka na farko, ƙara fari na iya samun launuka tare da jikewa daban-daban (watau launuka masu inuwa daban-daban). Dangane da launuka na farko, ƙara baƙar fata na iya samun launuka masu haske daban-daban (watau launuka masu haske daban-daban).
5. Dabarun daidaita launi na asali
Haɗuwa da daidaitawar fenti yana bin ka'idar launi mai rahusa. Launuka na farko guda uku sune ja, rawaya da shuɗi, kuma launukan da suka dace da su sune kore, purple da orange. Launukan da ake kira dalla-dalla launuka biyu ne na haske gauraye ta wani kaso don samun farin haske. Madaidaicin launi na ja shine kore, launin rawaya mai dacewa shine shuɗi, kuma launin shuɗi mai dacewa shine orange. Wato idan launin ya yi ja sosai, za a iya ƙara kore; idan ya yi yawa rawaya, za ka iya ƙara purple; idan yayi shudi da yawa, zaka iya ƙara orange. Launuka na farko guda uku sune ja, rawaya, da shuɗi, kuma launukan da suka dace da su sune kore, purple, da orange. Launukan da ake kira dalla-dalla launuka biyu ne na haske gauraye ta wani kaso don samun farin haske. Madaidaicin launi na ja shine kore, launin rawaya mai dacewa shine shuɗi, kuma launin shuɗi mai dacewa shine orange. Wato idan launin ya yi ja sosai, za a iya ƙara kore; idan ya yi yawa rawaya, za ka iya ƙara purple; idan yayi shudi da yawa, zaka iya ƙara orange.
Kafin daidaita launi, da farko ƙayyade matsayin launi da za a daidaita daidai da adadi na ƙasa, sannan zaɓi launuka iri-iri guda biyu don daidaitawa da wani yanki. Yi amfani da kayan gilashin kwalban gilashi ɗaya ko kayan aikin da za a fesa don dacewa da launi (kauri daga cikin substrate, kwalban gilashin gishiri na sodium da kwalban gilashin gishiri na calcium zai nuna tasiri daban-daban). Lokacin dacewa da launi, da farko ƙara babban launi, sa'an nan kuma yi amfani da launi tare da ƙarfin canza launi a matsayin launi na biyu, a hankali kuma a lokaci-lokaci ƙara da motsawa akai-akai, kuma lura da canjin launi a kowane lokaci, ɗauki samfurori da goge, goge, fesa. ko tsoma su a kan samfurin mai tsabta, kuma kwatanta launi tare da samfurin asali bayan launi ya daidaita. Dole ne a fahimci ka'idar "daga haske zuwa duhu" a cikin dukkanin tsarin daidaita launi.
Lokacin aikawa: Oktoba-28-2024