Akwụkwọ Kraft dị ka ihe a na-ahụkarị na ụlọ ọrụ mbipụta na nkwakọ ngwaahịa, mgbe ahụ ị maara ka esi ejiakwụkwọ kraftnke ọma?
Ojiji akwụkwọ kraft
Na ụlọ ọrụ obibi akwụkwọ na nkwakọ ngwaahịa, a na-ejikarị akwụkwọ kraft maka ibipụta mkpuchi nkwupụta ego, envelopu, nkwakọ ngwaahịa, akpa akwụkwọ, akpa ozi, akpa aka, igbe faịlụ, akpa faịlụ, wdg.
Nkọwapụta akwụkwọ kraft
A na-ejikarịakwụkwọ kraftnwere dị iche iche nkọwa dị ka 60g / m2, 70g / m2, 80g / m2, 100g / m2, 120g / m2, 150g / m2 na ọbụna 250 ~ 450g / m2.
Njirimara nke akwụkwọ kraft
Uru:Akwụkwọ kraft nwere uru nke ịdị mma siri ike, ihe siri ike na nke siri ike, ọ bụghị ngwa ngwa na-agbaji ma gbajie, na-eguzogide ọgwụ na-eyi.
Ihe ọghọm:kraft akwụkwọ mpempe akwụkwọ elu roughness, dị mfe ịpụta na kechie n'okpuru ghota, ntutu na-ada ada, de powder phenomenon, whiteness, flatness, smoothness bụ ogbenye.
Ojiji nke kraft akwụkwọ nkà
① Ịkọba na na-agbanwe mmiri ọgwụgwọ: nzọụkwụ mbụ na elu unevenness na e gbajiri akwụkwọ wepụrụ, nzọụkwụ nke abụọ ga-abụ akwụkwọ elu adịghị ọcha, akwụkwọ ash dị ọcha, nghọta ihicha ọgwụgwọ, nke mere na okpomọkụ na iru mmiri nke kraft akwụkwọ na dechapụ. obibi akwụkwọ okpomọkụ na iru mmiri ka ịnọgide na-agbanwe agbanwe.Akwụkwọ kraftmgbe nghọta ihicha mmiri ọgwụgwọ, enịm n'elu akwụkwọ tojupụtara enwe akwụkwọ splint, na nnukwu nkume, ígwè efere compaction, iji zere akwụkwọ N'ụbọchị nke abụọ adịghị siri ike.Ime nke a nwere ike ịzenarị mpụta akwụkwọ kraft nke ọma n'ihi ọdịnaya mmiri na-enweghị isi na-apụta n'ihe na-eme n'okpuru nhọpụta.
② họrọ ezigbo ihe nlereanya: n'ihi na 80g / m2 thicker kraft akwụkwọ, na akwụkwọ nnyefe nozzle mgbe mgbe enweghị ike itinye akwụkwọ, ya mere, mgbe kraft akwụkwọ ọkpụrụkpụ ≥ 80g / m, ọ kasị mma ghara iji obere anọ ma ọ bụ asatọ meghere. akwụ ụgwọ obibi igwe obibi.Tụkwasị na nke ahụ, n'ihi obere obosara akwụkwọ, dị mfe okpukpu abụọ ma ọ bụ ọtụtụ mpempe akwụkwọ, ma ọ bụ akwụkwọ skewed na nnyefe nke mpempe akwụkwọ.Na iji folio offset press ma ọ bụ na-emepe emepe mpempe akwụkwọ ≥ 80g / m nke akwụkwọ kraft, mmetụta ga-aka mma.
③ mezie offset ebipụta igwe akwụkwọ nnyefe usoro: ọkpụrụkpụ nke akwụkwọ bụ ibu dị mfe na-eme ka Rolling nkwụsị ihe mberede, otú tupu ịmalite na-ebi akwụkwọ igwe ga-n'ihu ntụmadị akara, skew akara, abụọ akara, na ndị ọzọ na ngwaọrụ eletrik ka mezie na kwesịrị ekwesị, iji gbochie akwụkwọ kraft karịa otu igwe ọjọọ mpịakọta.Kwesịrị ịgbanwe ka size nke mmiri nozulu imi olu, akwụkwọ mmiri nozulu na akwụkwọ ndepụta mmiri nozzle iji dayameta na ọkpụrụkpụ bụ ibu roba mgbanaka.
④ na-edebe cylinder obibi akwụkwọ na roba cylinder anya na-agbanweghị agbanwe: gbanwee etiti etiti nke ihe ngosi cylinder na roba cylinder ma mee ka etiti etiti ahụ gbanwee, mgbe ị na-ebipụta akwụkwọ 250 ~ 450g / m kraft, a ga-eme ka ebe etiti a dịkwuo 0.2 ~ 0.4 mm.kraft akwụkwọ elu roughness, ire ụtọ bụ ogbenye, na tightness nke akwụkwọ bụ nnọọ ihe na-erughị ọla kọpa akwụkwọ, dechapụ akwụkwọ, ya mere, na-ebi akwụkwọ kraft akwụkwọ, ma kwekọrọ ekwekọ na-abawanye na-ebi akwụkwọ nsogbu.Mgbe a na-ebi akwụkwọakwụkwọ kraftọkpụrụkpụ ≥ 400g / m, mpempe akwụkwọ mpempe akwụkwọ cylinder na roba cylinder ọdịiche nke 3.95mm, roba cylinder na mmetụta cylinder ọdịiche maka 3.40mm, ngụkọta ngwugwu lining nke mpempe akwụkwọ cylinder maka 0.65 ~ 0.75mm, ngụkọta ngwugwu lining nke roba cylinder maka 3.15 ~ 3.35mm.Ọ bụrụ na akwụkwọ obibi akwụkwọ site na oke ruo na mkpa, kwesịrị ịdọrọ ya site na mpempe akwụkwọ mpempe akwụkwọ na mbelata ọkpụrụkpụ nke ngwugwu ngwugwu, gbakwunyere na mkpuchi mkpuchi roba cylinder;ma ọ bụrụ na akwụkwọ si mkpa ka oké, kwesịrị ise si roba cylinder ka dịkwuo ọkpụrụkpụ nke ngwugwu lining, gbakwunyere na-ebi akwụkwọ efere cylinder ngwugwu lining.
⑤ kraft akwụkwọ elu siri ike, rụrụ arụ, dị mfe ntụ ntụ, ntutu isi, yabụ mgbe ị na-ebi akwụkwọ iji jiri nlezianya na-ehichapụ roba cylinder na cylinder mpempe akwụkwọ, iji zere ntutu akwụkwọ, akwụkwọ ntụ ntụ na-arapara na cylinder roba na mpempe akwụkwọ cylinder ma na-emetụta nnyefe ink, na-akpata eserese na efere ahụ, enweghị ahịrị pen gbajiri.Ọ bụrụ na ọ na-ezute n'oge okpomọkụ mgbe monochrome obibi, kraft akwụkwọ ntutu, ntụ ntụ nsogbu siri ike, nwere ike ibipụta tupu machie oyi akwa nke mmiri, nke nwere ike n'ụzọ dị irè belata akwụkwọ ntutu ntutu, ntụ ntụ onu, nke mere na akwụkwọ ahụ bụ ihe ewepụghị.
Oge nzipu: Nov-01-2022