Tom qab extrusion,txhaj tshuaj molding, kev kho saum npoo thiab lwm cov txheej txheem, cov cuab yeej siv kho mob feem ntau yuav tsum tau yauv tshuaj rau theem nrab kev kho mob. Tam sim no, hom kev lag luam theem nrab ntawm cov khoom siv kho mob yas muaj xws li kev sib txuas, sib dhos, drilling, thermoforming, luam ntawv, laser engraving, kev hloov kho sab saum npoo, raj kawg molding, raj taub qab vuam, thiab lwm yam.
1. Kev Txuas Lus
Adhesive kev twb kev txuas
Cov nplaum rau saum npoo ntawm cov yas ua tiav kom tiav qhov txuas, uas yog cov qauv siv txoj kev siv nyiaj siv dav. Nws yog tus cwj pwm los ntawm cov txheej txheem yooj yim, kev faib tawm kev nyuaj siab tas mus li, lub teeb yuag, lossis kev sib khi, thiab ntsuas kub hauv feem ntau. Adhesive sib koom tes yog qhov tshwj xeeb tshaj yog tsim rau kev sib txuas ntawm cov ntaub ntawv sib txawv, txawv thicknesses, ultra-nyias cov lus qhia tshwj xeeb thiab ntau yam. Nov yog kev sib koom tes thev naus laus zis nrog kev loj hlob sai tshaj plaws thiab kev thov dav hauv niaj hnub no.
Cov tswv yim zoo: kev ntxhov siab tsis txaus siab muab faib, qhov siab tshaj plaws ua kom muaj zog, (kev nqus suab), zoo ua haujlwm sealing.
Qhov tsis zoo: kev sib dhos ceev, cov pa roj tuaj yeem tsim tawm thaum lub sijhawm ua haujlwm, kev sib txuas tsis sib xws lub zog, rov qab nyuaj, kho saum npoo.
Kuab kev twb kev txuas
Cov kuab tshuaj ua kom nto ntawm cov feem ntawm cov yas kom muab cov khoom nruab nrab ntawm cov chaw. Thaum cov kuab tshuaj volatilizes, kev txuas tau tsim.
Cov txiaj ntsig zoo: tus nqi qis, kev nyuaj siab ntxhov siab tsis txaus, txo qhov hnyav;
Qhov tsis zoo: kev sib dhos ceev ceev, ua kom tsis muaj roj, txuas lub zog tsis ruaj.
Raws li cov ntsiab lus ntawm kev xyaum ntau lawm, txhawm rau txhim kho cov tshuaj thiab cov kev sib koom ua ke, cov ntsiab cai dav dav ntawm kev xaiv cov roj av sib xyaw yog raws li hauv qab no:
1. Cov ntsiab lus npau npau ntawm ob qho kev xaiv cov kuab tshuaj yuav tsum ua kom ze li sai tau, yog li tom qab sib tov, qhov kub ntawm lub cheebtsam nrog cov hluav taws xob nrawm yuav tsis muaj qis dua thiab sai dhau hws yuav tsim ntawm qhov sib koom ua ke, uas ua rau lub cev tsis zoo lossis tsis muaj zog. kev nplaum. Thaum cov kub npau npau ntawm ob qho kev hais daws tau nyob ze, qhov kev cuam tshuam zoo no yuav dhau los, thiab txoj haujlwm ntawm txhua qhov ntawm cov roj tov sib xyaw ua ke tuaj yeem ua tiav thiab sib raug zoo tag nrho. Cov rwj kub ntawm cov tshuaj acetone: 56. 5 ° C; lub rwj ntawm tetrahydrofuran: 66 ° C; qhov kub npau npau ntawm cyclohexanone: 1 55.6 5 ° C.
Tam sim no, muaj ntau cov kuab tshuaj rau kev sib raug zoo PVC, tab sis muaj teeb meem ntawm kev daws teeb meem thiab lub sijhawm. Cov tshuaj lom neeg zoo tshaj plaws yog cyclohexanone thiab tetrahydrofuran. Lwm yam trichloromethane, ethyl acetate thiab acetone tuaj yeem zom cov khoom siv PVC. Feem ntau ntawm cov kuab tshuaj teev saum toj no yog cov tsis hloov thiab yuav tsim ib cov pungent ntxhiab tsw. Dhau li, tetrahydrofuran muaj qee yam tshuaj lom thiab ua kom lom zem tshaj plaws, yog li nws tsis nquag siv. Cyclohexanone yog siv dav hauv kev lag luam kho mob. Ethyl acetate thiab acetone ntxiv thaum tsim nyog yuav ua rau kom qhov kub ntxhov thiab kev daws teeb meem ntawm cov kuab tshuaj, kom cov ntaub ntawv PVC tuaj yeem yaj thiab / lossis nrawm dua.
2. Thaum xaiv cov kuab tshuaj sib xyaw rau kev sib khi cov ntaub ntawv sib txawv, cov tshuaj sib tov uas muaj ob qho kev tiv thaiv no yuav tsum tau xaiv. Ntawd yog hais tias, txhua feem ntawm cov xaiv tov hnyav yuav tsum muaj peev xwm yaj tag nrho cov khoom siv a thiab cov khoom siv B, yog li txhawm rau kom paub tseeb tias cov tshuaj tiv thaiv kev sib xyaw ua ke ntawm cov feem no tuaj yeem khov kho cov khoom sib txawv.
Tam sim no, cov kab kev txuas sib txuas ntawm plastics yog kev sib khi, txuas tshuab thiab vuam, ntawm cov vuam yog qhov tseem ceeb. Nws muaj qhov zoo ntawm kev sib txuas siab muaj zog, zoo sab txuas ntxiv, ntau daim ntawv thov ntau txheej txheem, cov txheej txheem yooj yim, kev siv tshuab thiab cov khoom siv ntau lawm, thiab tau siv dav.
Kub yaj yaj vuam
Siv phaj cua kub lossis cua sov xaim hluav taws kub kom yaj lub pob tw chaw ntawm qhov chaw ntim yas, thiab tom qab ntawd txuas lub pob tw lub npoo los ntawm siab kom ua tiav lub hom phiaj ntawm vuam khov kho. Kub yaj yaj siv ntau hauv kev tsim cov khoom kho mob yas nrog vuam vuam thiab cov hnab ntim khoom kho mob. Piv txwv li, lub qhov ncauj ntawm kev kho mob yas infusion lub raj mis, kev kho mob yas los yog ntawv yas ntawv lub hnab ntim khoom, thiab lwm yam.
Loj vuam
Kev ua haujlwm siab siv vuam siv thermoplastic txav nrog kev hloov ntawm lub tiaj hluav taws xob vim kev sib nqus ntawm cov duab hluav taws xob ntawm qhov hluav taws xob ntau, thiab kev sib txhuam tshwm sim nruab nrab ntawm cov molecules, uas hloov lub zog hluav taws xob rau hauv hluav taws xob kub, thiab cov yas nws tus kheej ua kom muaj cua sov kom txog thaum melting, thiaj li ua tiav lub hom phiaj ntawm kev sib txuas. Kev vuam vuam feem ntau siv rau hauv kev tsim cov ntshav hnab, hneev Kuv ntws hnab, ntim cov zis thiab lwm lub hnab ntim khoom kho mob thiab qhov ntim ntawm qee lub hnab ntim kev kho mob.
Vant Tawm tau zoo: tsim hluav taws xob sab hauv cov cua sov ntawm cov khoom siv vuam; vuam ceev ceev; zoo nkauj vuam nto. Rau thaj chaw loj vuam, qhov zoo ntawm cov hlau txuas tshwj xeeb yog pom tseeb.
② Qhov tsis zoo: kev txwv cov khoom - PVC yog cov khoom siv tseem ceeb.
Superwave vuam
Lub hauv paus ntsiab lus ntawm ultrasonic vuam yog ua kom muaj kev kub ntxhov ntawm kev co ntawm 20 kHz, kom lub pob qij txha txuas saum npoo ntawm cov yas thiab yas yog fused vim los ntawm kev sib txhuam thiab cov tshav kub; yog tias nws siv rau kev vuam ntawm cov yas thiab hlau, cov hlau tuaj yeem nyob hauv lub rooj zaum yas sib koom ua ke tsawg dua li ls. Ultrasonic welding yog kev ua tiav theem nrab tshiab tshiab ntawm plastics, uas yog tsim nrog nws qhov zoo ntawm kev ua haujlwm siab, kev ua haujlwm siab, kev zoo nkauj thiab txuag hluav taws xob. Ultrasonic welding muaj ntau daim ntawv thov thiab ntau txoj hauv kev tuaj yeem siv, xws li dav hlau vuam, riveting, chaw vuam, inlaying, thiab lwm yam.
Ultrasonic vuam tau siv rau hauv kev tsim cov roj lim ntshav, cov ntshav ntim cov ntshav thiab lwm yam khoom kho mob, xws li vuam ntawm lub khob lub cev thiab lub caj pas ntawm lub plasma ib qho kev sib cais centrifugal separator. Hom kev siv vuam no siv los siv tshuaj sib khi, uas daws cov teeb meem melting ntawm cov nplaum ua los ntawm qhov kev sib hloov ceev ntawm lub khob centrifugal thiab ua tiav cov txiaj ntsig zoo. Tsis tas li ntawd, txoj kev no feem ntau siv rau hauv kev tsim cov txheej txheem kev tiv thaiv kev kho mob, tiv thaiv cov khaub ncaws, infusion teeb thiab zais pa txuas catheter.
① Cov ntsiab lus zoo: tsis tas yuav tua lub sijhawm, kom huv huab cua, ua haujlwm siab.
② Qhov tsis zoo: txwv los ntawm kev sib haum, ntsuas sov, lub suab nrov, thaj chaw thiab cov duab;
Lub ntsiab tseem ceeb cuam tshuam rau vuam nyhuv:
A. Rau cov khoom siv nrog cov yam ntxwv nqus dej, xws li nylon, polycarbonate, polysulfone, thiab lwm yam, ib qho kev kho yuav tsum tau ua ua ntej vuam kom paub tseeb tias cov khoom muaj welded ruaj;
B. Tso rau hauv ib puag ncig kaw;
C. Ci lwm thooj ua ntej ua vuam ultrasonic;
D. Ultrasonic welding tam sim tom qab txhaj tshuaj.
