Dongguan Enuo pwm Co., Ltd yog ib lub koom haum ntawm Hong Kong BHD Group, yas pwm tsim thiab kev tsim khoom yog lawv cov lag luam tseem ceeb.Tsis tas li ntawd, hlau qhov chaw CNC machining, qauv khoom R & D, tshuaj xyuas fixture / Gauge R&D, yas khoom molding, txau thiab sib dhos kuj tseem koom nrog.

Muaj tswv yim 5 lus Plaub Hlis 26-2021

Kev piav qhia ntawm cov ntsiab lus muaj feem xyuam rau cov yas molding

1. kwv tij density/proportion

Cov txheeb ze ntom ntom yog hais txog qhov ntim ntawm lub tuam txhab tshuaj lom neeg.

Qhov piv yog hais txog qhov sib piv ntawm qhov sib npaug ntawm cov tshuaj lom neeg rau qhov ntom ntawm cov dej.

2. Thaum tshav kub kub ntawm vaporization thiab coefficient ntawm compression

Qhov kub ntawm vaporization yog qhov ntim ntawm txhua gram ntawm cov yas (cm³ / g), thiabcompressibilityyog qhov piv ntawm qhov ntim los yog cua sov ntawm vaporization ntawm cov hmoov electrostatic thiab cov yas (nws tus nqi ib txwm tshaj 1).Lawv txhua tus tuaj yeem siv los qhia qhov loj ntawm cov yeeb yaj kiab tso tawm chamber.Tus nqi loj ntawm tus qauv tus nqi tau teev tseg tias qhov ntim ntawm qhov tso tawm chamber yuav tsum loj.Nyob rau tib lub sijhawm, nws tseem qhia tau tias cov hmoov electrostatic muaj ntau lub tshuab nqus cua, cov yeeb nkab tso tawm yog qhov nyuaj, lub sijhawm molding yog ntev, thiab cov khoom siv tau tsawg.Qhov kev tawm tsam yog qhov tseeb yog tias qhov kub ntawm vaporization me me, thiab nws yog qhov zoo rau kev nias thiab txwv.

Kev piav qhia ntawm cov ntsiab lus muaj feem xyuam rau cov yas molding

3.Kev nqus dej

Kev nqus dej yog hais txog qib ntawm kev zom cov yas thiab nqus dej.Txoj kev ntsuas yog thawj zaug kom qhuav cov qauv thiab ntsuas nws.Tom qab soaking rau hauv dej rau 24 los yog ob hnub, tshem nws thiab hnyav dua, thiab xam cov feem pua ​​​​ntawm cov nyiaj ntxiv, uas yog qhov nqus dej.poj niam deev.

4. Kev ua haujlwm

Cov yas muaj peev xwm ua kom cov kab noj hniav nyob rau hauv qhov kub thiab txias ua haujlwm yog hu ua kev ua haujlwm.Nws yog qhov tseem ceeb ntawm cov txheej txheem tseem ceeb uas tau txiav txim siab thaum stamping tuag.Active tshiab yooj yim los tsim ntau dhau flashing, filling kab noj hniav tsis ntom, cov khoom yas yog loosely faib, epoxy resin thiab fillers yog sib sau ua ke, yooj yim rau lo rau pwm, pwm ejection thiab xov yog nyuaj, nyuaj bottoming yog ntxov dhau thiab lwm yam qhov tsis zoo.Txawm li cas los xij, yog tias qhov kev ua si me me, qhov txhaws yog luv, nws tsis yooj yim rau kev tsim, thiab kev tsim siab loj heev.Yog li ntawd, kev ua haujlwm ntawm kev siv cov yas yog ua raws li cov cai ntawm cov khoom yas, tsim cov txheej txheem thiab cov qauv tsim.

5. Hard bottoming yam ntxwv

Lub polyurethane elastomer tau hloov mus rau hauv lub xeev cov kua nplaum nyob hauv qab cua sov thiab kev ntxhov siab thaum lub sij hawm tsim tag nrho.Raws li cov haujlwm nthuav dav, cov kab noj hniav tau sau, thiab tib lub sijhawm, aldol condensation tshwm sim.Txoj kev sib txuas ntawm qhov sib txuas txuas ntxiv nce ntxiv, thiab cov haujlwm ua haujlwm tau hloov pauv.Nws yog lub tshuab ua tiav tsis siv neeg uas txo qis thiab maj mam dries cov khoom melted.Thaum stamping pwm, qhov ceev ntawm qhov nyuaj hauv qab yog nrawm dua, thiab cov khoom siv nrog cov ntsiab lus luv luv yuav tsum tau ceev faj kom yooj yim rau kev pub mis, thauj khoom thiab tshem tawm cov ntawv ntxig, thiab xaiv cov qauv tsim thiab kev ua haujlwm tiag tiag kom tsis txhob muaj kev sib tsoo thaum ntxov lossis nyuaj. bottoming Shortage, ua rau tsis zoo molding ntawm yas qhov chaw.

Kev piav qhia ntawm cov ntsiab lus muaj feem xyuam rau cov yas molding

6.Moisture thiab Volatile Organic Compounds

Txhua yam ntawm cov yas muaj ntau theem ntawm noo noo thiab volatile organic tebchaw.Thaum ntau dhau lawm, qhov kev ua haujlwm nthuav dav, nws yooj yim dhau, lub sij hawm persistence yog ntev, txo qhov nthuav dav, thiab nws yooj yim los tsim cov qauv yoj, nthuav thiab contraction thiab lwm yam tsis zoo thiab kev puas tsuaj.Mechanical thiab hluav taws xob engineering ua haujlwm ntawm cov khoom yas.Txawm li cas los xij, thaum cov yas yooj yim dhau, nws tseem yuav ua rau kev ua haujlwm tsis zoo thiab tsim kev nyuaj.Yog li ntawd, cov yas sib txawv yuav tsum tau ua kom sov raws li qhov xav tau.Nws yog ib qho yooj yim kom sov cov ntaub ntawv uas muaj zog nqus dej, tshwj xeeb tshaj yog nyob rau hauv lub caij ntuj sov, txawm tias lubcov khoom siv cua sovyuav tsum zam.Kev nqus dej noo

7.Thaum tshav kub kub rhiab heev

Thaum tshav kub kub-sensitive yas hais txog qee cov yas uas hloov tau yooj yim dua rau cov cua sov.Thaum lawv ntsib cua sov ntawm qhov kub thiab txias, lub sij hawm ntev dua los yog qhov seem ntawm qhov qhib pub me me dhau.Thaum qhov tshwm sim tiag tiag ntawm kev txiav yog qhov zoo, qhov nce hauv pwm kub yuav ua rau muaj xim tsis zoo, depolymerization, thiab sib cais.Cov yas uas muaj cov yam ntxwv zoo li no yog hu ua cov yas uas muaj cua sov.

8. Dej rhiab heev

Qee cov yas (xws li polycarbonate) txawm tias muaj dej me me, tab sis lawv yuav sib cais hauv qhov kub thiab txias.Qhov kev ua haujlwm no yog hu ua dej rhiab heev, thiab nws yooj yim rau cua sov ua ntej.

9.Kev nqus dej

Yas kwv yees tias vim muaj ntau yam additives uas ua rau lawv muaj ntau theem ntawm affinity rau dej, plastics yuav roughly muab faib ua ob hom: ya raws, ya raws adhesion, thiab tsis-hygroscopicity thiab nyuaj rau adheres rau dej.Nws yog kwv yees tias cov dej noo yog tswj tau nyob rau hauv qhov kev tso cai, txwv tsis pub cov dej noo yuav vapor nyob rau hauv qhov kub thiab txias siab lossis qhov tshwm sim ntawm cov tshuaj tiv thaiv hydrolysis tshwm sim, uas yuav ua rau cov epoxy resin ua npuas, txo nws cov kev ua, thiab tsis muaj cov tshuaj tiv thaiv hydrolysis. tsos thiab mechanical thiab hluav taws xob engineering ua haujlwm.zoo.Yog li ntawd, cov dej-absorbent plastics yog rhuab los ntawm cov cua sov uas tsim nyog thiab cov qauv raws li qhov yuav tsum tau ua, thiab ncaj qha infrared induction yog siv kom tsis txhob rov nqus dej noo thaum lub sij hawm thov.

Kev piav qhia ntawm cov ntsiab lus muaj feem xyuam rau cov yas molding

10.Ua pa

Kev ua pa tawm yog hais txog kev ua haujlwm ntawm vapor kis ntawm cov yeeb yaj kiab yas lossis yas board

11.Melt index tus nqi

Lub Melt Index (MI) yog tus qauv tus nqi uas qhia txog kev ua haujlwm ntawm cov ntaub ntawv yas thaum tsim thiab ua.

12.Tensile zog / tawg elongation

Tensile lub zog yog hais txog tus nqi ntawm lub zog uas yuav tsum tau ncab cov khoom yas mus rau ib theem (xws li kev txwv tsis pub dhau los yog qhov tawg).Nws feem ntau yog cim los ntawm tag nrho cheeb tsam ntawm txhua lub lag luam.Thiab qhov feem pua ​​​​ntawm qhov ntev tom qab rub qhov ntev mus rau qhov qub ntev yog qhov tawg elongation.

13.Lub zog compressive

Lub zog compressive ntawm pob yog lub peev xwm ntawm cov yas los tiv thaiv pob.

14.Kev cuam tshuam compressive zog

Kev cuam tshuam lub zog yog hais txog lub zog kinetic uas cov yas tuaj yeem dais thaum nws raug cuam tshuam los ntawm lub zog sab nraud.

15.Lub zog

Lub zog ntawm cov yas feem ntau yog cim los ntawm ob txoj kev tshuaj xyuas, Rockwell hardness thiab Somo lub hardness.Thaum lub sijhawm, Shao's A feem ntau siv los ntsuas cov yas mos, xws li TPE thiab lwm yam polyurethane elastomers lossis vulcanized roj hmab, thiab lwm yam.;Shao's D tau siv los ntsuas cov yas nyuaj, xws li cov khoom siv dav dav dav dav thiab qee cov yas engineering, thiab feem ntau ntawm kev ua haujlwm siab engineering Project plastics lossis harder engineering project plastics yuav tsum ntsuas los ntawm Rockwell.

16.Kub distortion kub

Qhov kub distortion kub yog qhov kub ntawm qhov ntsuas cov khoom yas yog qhov sib tsoo mus rau theem nyob rau hauv kev ua haujlwm siab thiab kub.

17.Lub sij hawm ntev kub tsis kam

Lub sij hawm ntev kub tsis kam yog hais txog qhov kub thiab txias ntawm cov ntaub ntawv yas hauv daim ntawv thov mus sij hawm ntev.

Kev piav qhia ntawm cov ntsiab lus muaj feem xyuam rau cov yas molding

18.Solvent-resistant cim

Tus cwj pwm ntawm cov tshuaj hnyav-resistant yog hais txog kev hloov pauv ntawm qhov hnyav, ntim, lub zog tensile thiab elongation ntawm cov khoom yas tom qab muab tso rau hauv cov organic hnyav ntawm qhov kub thiab txias rau ib lub sijhawm.Ib qho kev hloov pauv caj ces me me qhia tau tias muaj kev hloov pauv Dielectric zoo heev.

19.Kev laus tsis kam

Kev laus tiv thaiv yog hais txog kev tiv thaiv ntawm cov ntaub ntawv yas rau kev phom sij ntawm tshav ntuj, tshav kub, huab cua, cua thiab nag nyob rau sab nraum zoov ib puag ncig, uas ua rau muaj kev hloov pauv loj thiab tsis zoo.

20.Qhov tseeb

Clarity yog hais txog lub teeb xa hluav taws xob ntawm cov yas hauv qhov pom lub teeb pom kev.Cov yas tuaj yeem muab faib ua lub teeb xa hluav taws xob, pob tshab thiab opacity raws li qib ntawm lub teeb dhau.

21.smoothness

Smoothness yog hais txog qib ntawm daim iav iav uas zoo ib yam li cov tshuaj chemical uas tuaj yeem cuam tshuam lub teeb.Zoo smoothness yog hais txog qhov ci ntsa iab ntawm cov tshuaj lom neeg.

22.Cov txheej insulating rhuav tshem qhov ua haujlwm voltage

Kev ua haujlwm voltage ntawm insulating txheej kev puas tsuaj yog qhov ua haujlwm voltage uas ua rau kom muaj peev xwm sib txawv ntawm cov khoom kuaj kom ncav cuag qhov kev puas tsuaj ntawm lub zog dielectric, muab faib los ntawm tus nqi (Kv / mm) ntawm qhov kev ncua deb ntawm ob lub electrodes (thickness ntawm cov khoom. xeem daim).

23.kub ntawm fusion

Lub tshav kub ntawm fusion tseem hu ua cua sov ntawm melting thiab vaporization, uas yog lub zog kinetic xav tau rau cov muaj pes tsawg leeg los yog melting thiab crystallization ntawm crystalline polymer.Ib feem ntawm lub zog kinetic no yog siv los yaj cov qauv crystalline ntawm cov khoom siv polymer.Yog li ntawd, thaum lub crystalline polymer ua tiav los ntawm kev txhaj tshuaj molding, nws yuav tsum tau ntau lub zog kinetic kom ncav cuag ib qho kev melting kub dua li thaum lub amorphous polymer ua tiav los ntawm kev txhaj tshuaj molding.Tsis xav tau cua sov ntawm melting thiab vaporization.

24.tshwj xeeb kub

Cov cua sov tshwj xeeb yog cov cua sov uas xav tau thaum qhov kub ntawm cov khoom siv raw ntawm lub tuam txhab nce 1 degree [J / kg.k].

25.thermal diffusivity

Thermal diffusivity yog hais txog tus nqi ntawm qhov ntsuas kub tau kwv yees kom hloov mus rau hauv cov khoom siv cua sov.Nws tseem hu ua qhov sib hloov ntawm cov cua sov.Nws tus nqi yog cov cua sov (cov cua kub tshwj xeeb) thiab cov khoom siv zom thiab nqus tau zoo thaum qhov kub ntawm cov khoom lag luam zoo raw khoom nce 1 degree.Tus nqi ntawm tshav kub (kub hloov coefficient) raug xaiv.Kev ua haujlwm siab tsis tshua muaj teeb meem rau cov thermal diffusion coefficient, tab sis qhov kub thiab txias yog qhov teeb meem heev.

 


Post lub sij hawm: Lub Xya hli ntuj-26-2021