Maaskaro ilaalin caafimaad ayaa ah walxaha dhogorta ka samaysan ee aan tol lahayn, oo ka kooban fiilooyin jihaysan ama aan kala sooc lahayn, oo guud ahaanba ah qaab dhismeedyo fara badan leh, oo sida caadiga ah lagu tilmaamo qaab-dhismeedka SMS. Waqtiga xaadirka ah, tirada ugu badan ee lakabyadu waa 5 lakab, taas oo ah, SMMMS (spunbond, meltblown) waxay ka kooban yihiin polypropylene. Lakabka M wuxuu isticmaalaa dharka meltblown dhoobada ka samaysan sida lakabka shaandhada. Sababtoo ah fiilooyinkiisa ayaa si aan kala sooc lahayn loo qaybiyaa oo leh cabbir adag oo saddex-geesood leh, muujinta ugu weyn ayaa ah in ay ka kooban tahay fiber alfaine, aagga dusha sare ee fiber, iyo awoodda ay ku leedahay walxaha adsorb ayaa la filayaa; Xarkaha fiilooyinka ayaa si aan kala sooc lahayn loo qaybiyaa si ay u sameeyaan tiro aad u tiro yar oo dhimman, dhererka qaybintuna waa isku mid, cabirka shaandhada shaybaadhku wuu yar yahay, waxqabadka shaandhayntu way sarreeysaa, sidaa darteed waxqabadka shaandhaynta ee maaskaro aan huwanayn oo maaskaro laga ilaaliyo. laga bilaabo maaskaro wajiga dhaqameed
Dharka aan dhogorta lahayn ee loo yaqaan 'SMS non-dhogor' waxay u isticmaashaa polypropylene (oo leh bakteeriyada dabiiciga ah iyo hydrophobicity) sida sheyga ugu badan ee ceyriinka, iyo dhexroorku wuxuu gaari karaa 0.5-10um. Xargaha 'ultrafine' oo qaab dhismeed qaas ah leh waxay kordhinayaan tirada iyo dhererka fiberka aaggii halbeeg, si markaas dusha sare ee loo yaqaan 'laser marking marking' ay tahay dhar aan laga tolanayn oo ah maaddada S lakabka polypropylene. Dharka buufiska leh waxay leeyihiin hawo wanaagsan oo hawada waxayna u tahay shey u fiican maaskaro badan.
Sida dhammaan alaabooyinka caafimaadka iyo caafimaadka, calaamadaha been-abuurka ah waa qeyb muhiim ah oo ka mid ah alaabada maaskaro.
Maanta, marka la barbar dhigo tikniyoolajiyadda daabacaadda khad dhaqameedka, astaamaha laser wuxuu leeyahay astaamaha aan sunta ahayn, wasakheyn la'aan, hufnaan sareysa, xallinta sareeya, dhammaystirka sare, iyo xirashada iska caabbinta. dhibaato. Waxaa la dhihi karaa in tikniyoolajiyadda laser-ka calaamadeynta ay sii wadayso warshadaha caafimaadka tan iyo markii ay dhalatay.
Mabda'a tikniyoolajiyada calaamadaynta laser badanaa waa in lagu dardariyaa dusha sare ee sheyga iyada oo ah laser leh cufnaanta tamar badan, sidaa darteed dusha sare ee sheyga ayaa si qulqulaya u kashifa maaddooyinka qoto dheer, ama fal-celinta kiimikaad ee dusha sare ee sheyga ayaa maraysa a isbeddelka midabka ee saameynta iftiinka. Sababtoo ah ku-shaqeynta laser-ka waa mid aan la xiriiri karin, aaladda ma faragalinayso xayiraadda tooska ah ee dusha sare ee goobta shaqada, sidaa darteed xawaaraha laser processing waa mid aad u dhakhso badan, walxaha wax lagu farsameeyona waxaa saameeya kuleylka tiro aad u yar isla markaana ma dhaliyo buuq. . . Sababo la xiriira hagaajinta tamarta iftiinka muraayadda leysarka iyo xawaaraha dhaqdhaqaaqa muraayadda, maareynta laser-ka waxaa lagu dabaqi karaa heerar iyo heerar kala duwan.
Waqtigaan la joogo, waxaa jira labo mabaadi'da maareynta laser-ka la aqbalo: ka-shaqeynta kuleylka laser-ka iyo sameynta sawir-qaadis (oo sidoo kale loo yaqaanno qabow qabow). Lingxiu Laser wuxuu doortay laser-alwaax-ultraviolet laser-ga ah ee habka calaamadeynta.
Markay shucaaca hirarka-gaaban ee moodeel-fallaaruhu ku shaqeynayo polymer-ka, waxay si toos ah u jebineysaa isku-darka kiimikada ee maaddada, si jajabinta walxaha loo kala wareejiyo qaab walxaha yaryar ama gaaska, si loo gaaro ujeeddada beddelka iyo baabi'inta maaddada , markaa keenaysa calaamad jilicsan, cad oo la akhrin karo oo ku dhex jirta maaddada dhexdeeda. Maaddaama tamarta inteeda badan loo isticmaalo in lagu jebiyo silsiladaha kiimikada, tamar aad u yar ayaa loo beddelaa tamar kuleylka, taas oo asal ahaan meesha ka saari karta isbeddelka aagga kuleylka saameeyay (HAZ) iyo agabyada ku xeeran, iyagoo hubinaya in agabku uusan u beddelin kuleylka.
Cold working (ultraviolet) photons with high load energy can break the chemical bonds inside the material (especially organic materials) or the surrounding medium, causing non-thermal process damage to the material. This kind of cold working is of special significance in laser marking, because it is not thermal ablation, but it does not produce "thermal damage" auxiliary, cold peeling that breaks the chemical bond, so it does not affect the inner layer and the surrounding area of the processed surface layer. Produce heating or thermal deformation.
Because the transients generated by the hot processing light source cause damage to the outer and middle surface of the mask, which affects the filterability of the mask, the Lingxiu Laser replaces the "cold processing" ultraviolet laser to mark the surface layer of the mask.
Waqtiga boostada: May-06-2020
