Cov ntawv xov phom nyeem ntawv phom ua cov txheej txheem thiab kev xeem
Peb yog ib lub tuam txhab luam ntawv loj hauv Shenzhen Tuam Tshoj. Peb muaj cov phau ntawv luam tawm, phau ntawv xov xwm luam ntawv, phau ntawv luam ntawv, phau ntawv nyuaj, phau ntawv luam tawm, phau ntawv luam tawm, phau ntawv luam tawm, lub thawv ntim, daim qhia ntawv, txhua yam ntawm PVC, cov ntawv luam tawm, ntawv sau cia, hom tshwj xeeb ntawv xim luam tawm khoom, kev ua si cardand li ntawd.
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1. Kawm cov ntsiab lus thiab cov kev ua ntawm daim ntawv thov
Cov qauv no qhia meej txog cov kev xav tau thiab cov kev sim rau kev txhim kho plaster nrog cov ntawv ua cov ntawv teeb ci. Nws yog qhov tsim rau cov ntawv nyeem cov ntawv luam tawm thiab cov khoom ntim khoom.
2. Qhia tus qauv
GB 9851 luam ntawv kev txhais lus
CY / T6 gravure luam ntawv yuav tsum ua kom zoo thiab cov kev sim
3. Tej yam yuav tsum tau ua
3.1 Cov ntawv phom sij
3.1.1 Chaw nyob ntawm cov ntawv uas tsis yog-khaus taub hau: chav tsev kub 18 ° C ~ 22 ° C, txheeb ze qhov chaw ntub dej 50% ~ 70%, kaw.
3.1.2 Cov ntawv nyeem carbon dioxide
3.1.2.1 tus cwj pwm: potassium dichromate (K2Cr2O7) tshuaj dawb huv.
3.1.2.2 Cov ntsiab lus ntawm kev daws teeb meem yog 3% mus rau 4%.
3.1.2.3 Rhais dej tshuaj daws 10 ° C ~ 14 ° C.
3.1.2.4 Sij hawm thab plaub 2.5 min ~ 3min.
3.1.2.5 Qhov kev daws teeb meem muaj pH ntawm 4.5 txog 6.
3.1.3 Cov ntaub ntawv kom txhob muaj phom sij
3.1.3.1 Qhuav kom qhuav: cua tshuab kom qhuav.
3.1.3.2 Cov dej tsis zoo: Cov cua txias yog qhov kub thiab txias, cua kub yog 50 ° C, ntsuas qhov nruab nrab ntawm qhov av 60% mus rau 70%, cua ceev 60 mus 100 m / min, thiab lub sij hawm qhuav yog 2.5 mus rau 3 teev. Tom qab so qhuav, cov ntawv sau muaj cov dej ntsiab lus ntawm 8% mus rau 12%.
3.1.4 Cov tsos ntawm daim ntawv yuav tsum du thiab du, tsis muaj curling, tsis khawb, tsis muaj dej npuas lossis xuab zeb qhov, thiab ua kom zoo sib xws.
3.1.5 Cov zaub mov ntawm daim ntawv tom qab cov cwj pwm: Cia lub thawv rau hauv ib lub thoob hlau uas tiv thaiv lub teeb thiab noo noo, thiab deb ntawm cov cua kub. Qhov kub ntawm sab hauv tsev yog 18 ° C mus rau 22 ° C, thiab tus txheeb ze ntawm cov vaum yog 60% mus rau 70%. Nws tuaj yeem siv tom qab cia rau 6 teev thiab siv tau rau 3 hnub.
3.2 luam ntawv phaj
3.2.1 Feem ntau ntawm cov teeb pom kev zoo ntawm lub teeb ci yog 380mm thiab 550mm. Qhov zoo ntawm lub teeb ci yog qhov taw tes lub teeb ci los yog lub teeb ci tubular, thiab lub teeb tsis pom kev.
3.2.2 Lub sij hawm luam tawm tau txiav txim siab raws li qhov sib txawv ntawm cov duab zoo, qhov teeb meem ntawm lub teeb ci, qhov nrug ntawm lub teeb thiab qhov kev ua tau zoo ntawm daim ntawv.
3.2.3 Npo npo
3.2.3.1 Cov khoom siv tshuaj: iav los sis zaj duab xis.
3.2.3.2 Hom mesh: square, rectangular or irregular.
3.2.3.3 Cov kab ntawm cov kab mesh: Cov ntaub ntawv sau luam tawm 60 ~ 70l / cm. Zoo prints 70 ~ 80l / cm.
3.2.3.4 Screen specifications: 1040 × 1400mm, 1040 × 700mm.
3.3 version
3.3.1 Lub zog ntawm cov menyuam rubber dhau los yog 75 ° ~ 85 ° (Cov pa nqus).
3.3.2 Cov kev ceev ntawm lub phaj yog 3 ~ 5m / min.
3.3.3 Npaj hauv phaj ntau dua dej ntws: dej ntws.
3.3.4 los ntawm phaj dampening tshuaj kub 18 ° C ~ 21 ° C
3.4 txoj kev loj hlob
3.4.1 Cov txheej txheem kev tsim kho yog qhia nyob rau hauv Table 1.
Cov lus 1
Cov Khoom Ntaw Parameter Qib Daim ntawv cov ntawv xov xwm thiab phaj dov cua sov Cov ntawv xov xwm tso tawm paus Kev Tshaj Tawm Xaj Plig Roj
Dej kub ° C 25 ~ 28 29 ~ 38 38 ~ 40 21
Sij hawm (min) 7 ~ 10 5 ~ 7 8 ~ 15 7
Dov ceev ceev (r / min) 60 ~ 70 50 ~ 60 110 ~ 140 60 ~ 70
3.4.2 Cov kev xav tau zoo tshaj: kev ua yeeb yaj kiab tiav, lub ntab raug tshem tawm, thiab cov tsoos tsho.
3.5 Corrosion
3.5.1 Cov tshuaj chloride txuj ci (qib qib) muaj qhia nyob rau hauv Table 2.
Table 2
zoo
cov ntsiab lus
Cov tshuaj chloride (%) ferric chloride (%)
Khoom hlau ferric chloride ≥96 ≤ 2
Cov kua roj chloride ua kua ≥ 45 ≤0.4
3.5.2 Cov ntsiab lus ntawm tooj liab hauv chloride kua yog 15 ~ 25g / l.
3.5.3 Cov concentration ntawm cov khoom siv fwj tshuaj txhaws ua kua dej muaj qhia nyob rau hauv Table 3.
rooj 3
Corrosion txujci
Kev siv tshuaj ntxaum siv
6 khob ntawm corrosion 44, 42, 40, 38, 37, 36
Ob npaug khob txheej txheem 42.38
Txhuam lub khob ntawm ib qho khob 38
3.5.4 Corrosion Rhiav qhov siab kub 21 ± 1.5 ° C, txheeb ze qhov nruab nrab 50% ~ 70%. Kev ntsuas kub ntawm cov tshuaj chloride tshuaj dawb yog 21 ± 1 ° C.
3.5.5 Lub sijhawm kev kub ntxhov
Rau lub khob ntawm corrosion lub sijhawm 12 mus rau 17 feeb
Ob chav khob kev txhuam cov qhov hluav taws xob 12 ~ 17min
Txhuam lub khob corrosion rau lub sijhawm 10 ~ 15min
3.5.6 Cov qhov yuav tsum tau ua kom zoo: Corrosion tob: 2 ~ 45μm. Nplua nuj nyob hauv cov khaubncaws sab nraud povtseg, ua kom tiav cov phab ntsa, ua cov ntawv luam tawm.
4. Kev Tshuaj Xyuas
4.1 Kev tshuaj ntsuam xyuas
4.1.1 Lub chaw ua hauj lwm yog xim dawb.
4.2 Daim ntawv soj ntsuam
4.2.1 Soj ntsuam los ntawm tus txheej txheem.
4.3 Tshuaj ntsuam xyuas lossis cuab yeej.
4.3.1 Lub ntsuas kub ntawm lub ntsuas kub 0 ~ 100 ° C.
4.3.2 Meter thiab ntsuas cua.
4.3.3 Cov lus qhia lub ntiajteb.
4.3.4 Cov ntawv pov thawj ntawm kev ntsuam xyuas cov nqi paab 2.5 ~ 7.
4.3.5 Cov rooj tog Lux.
4.3.6 Cov phaj hauv cov phom daus ntsuas qhov ntsuas qhov ntsuas.
4.3.7 Anemometer.
4.3.8 Ntug dej hauv lub plab.
4.3.9 Tachometer.
4.3.10 Hu rau tus pas ntsuas kub (0 ~ 100 ° C).
4.3.11 Cov cuab yeej tsom xam cov khoom siv chloride thiab tshuaj ua kom muaj zog.
4.3.12 Daim Ntawv Nthuav Ua Ntej.
4.4 Kev tshuaj ntsuam xyuas
4.4.1 Kev ntsuas kev ntsuas: Kev ntsuas nrog ntsuas lossis twj.
4.4.2 Kev soj ntsuam cov duab: pom kev kuaj pom los ntawm ib lub khob loj loj.