Kev Roving Tex Ncaj Qha: Xaiv 2400, 4800 lossis 9600 rau Pultrusion thiab Filament Winding

Ib txoj kab pultrusion uas yeej tsis khiav huv si feem ntau muaj teeb meem tex, tsis yog teeb meem resin. Cov profile tawm los nrog cov thaj qhuav ntawm cov ces kaum sai li sai tau thaum koj thawb qhov ceev. Los yog cov ntsiab lus iav nyob ib qho taw tes hauv qab qhov kos duab thov, thiab tsis muaj qhov kub ntawm lub pwm kaw qhov sib txawv. Los yog txhua qhov chaw ntawm lub creel raug nyob thiab seem tseem luv ntawm fiber. Tsis muaj ib qho ntawm cov no tshwm sim ua qhov yuam kev datasheet, vim tias tsis muaj dab tsi ntawm datasheet tsis raug. Lawv tshwm sim vim tias tex tau xaiv los ntawm daim ntawv teev npe es tsis yog los ntawm kab.

Phau ntawv qhia no ua haujlwm los ntawm kev xaiv ntawm 2400, 4800 thiab 9600 tex raws li tus kws ua haujlwm txheej txheem ua tau raws li nws: tus lej ntsuas dab tsi, vim li cas ob lub rovings nrog tib lub tex tsis tuaj yeem hloov pauv tau, muaj pes tsawg qhov kawg uas ib qho profile xav tau, thiab txhua kauj ruam nce mus rau qib twg koj raug nqi.

Cov ntaub ntawv ntsuas dab tsi tiag tiag (thiab tus lej tso zis tom qab nws)

Tex yog qhov ceev linear: grams ib 1,000 meters. Ib txoj hlua 2400 tex roving hnyav 2.4 g rau txhua 'meter' koj rub; 4800 tex hnyav 4.8 g; 9600 tex hnyav 9.6 g. Qhov ntawd yog tag nrho cov lus txhais, thiab nws tsim nyog hais meej meej vim tias tex raug siv ua luv rau "tuab" hauv txoj kev uas zais ob yam uas nws tsis piav qhia: lub cheeb ntawm filament hauv cov strand, thiab lub zog ntawm laminate koj yuav tsim los ntawm nws.

Yog tias koj cov duab kos lossis koj lub chaw ua haujlwm yuav khoom ua haujlwm hauv Tebchaws Meskas, tib cov lus qhia tshwm sim ua cov txiaj ntsig hauv yards ib phaus, uas qhia txog tib yam khoom los ntawm lwm qhov kev taw qhia:

Hauv ib kab:yd/lb = 496,055 ÷ tex.

ntawv xov xwm	g/m2	≈ yd/lb
1200	1.2	413
2400	2.4	207
4800	4.8	103
9600	9.6	52

Qhov kev hloov pauv yog lej, tsis yog kev kwv yees ntawm tus cwj pwm ntawm cov khoom siv: 1 lb = 453.592 g thiab 1 yd = 0.9144 m, thiab qhov tsis hloov pauv poob tawm ntawm ob qhov tseeb ntawd. Nws tseem ceeb vim tias tus neeg faib khoom hauv Tebchaws Meskas hais txog "206 yield" thiab daim ntawv qhia txog lub tshuab zeb hais tias "2400 tex" piav qhia txog tib qho kev roving hauv ob qho cim. Hloov ua ntej koj piv, thiab tsis txhob muab tus lej tex thiab tus lej yield tso rau hauv tib lub rooj yam tsis tau sau npe tias kab twg yog qhov twg.

Tib lub tex, txawv strand

Ob tus neeg muag khoom tuaj yeem hais nqe 4800 tex thiab tseem xa cov xov uas coj tus cwj pwm txawv, vim tex yog qhov khoom ntawm ob qhov kev txiav txim siab ywj pheej: pes tsawg filaments lub bushing nqa, thiab tuab npaum li cas txhua filament yog.

Ib lub E-iav filament ntawm 17 µm nqa kwv yees li 0.58 tex; ntawm 24 µm, kwv yees li 1.15 tex, ntawm qhov ceev iav xav tias yog 2.55 g / cm³. Khiav qhov kev suav lej ntawd thiab ib yam khoom siv tau tshwm sim: ib lub bushing 4,000-qhov kos ntawm 17 µm tsaws ze li ntawm 2,315 tex, thaum lub bushing 2,000-qhov ntawm 24 µm tsaws ze li ntawm 2,307 tex. Tib lub tex, ib nrab ntawm cov qhov suav, filaments kwv yees li 40% loj dua hauv txoj kab uas hla.

Ob txoj hlua tsis sib npaug hauv qab. Ib pawg ntawm ntau cov filaments zoo muab thaj chaw ntau dua rau cov resin thiab nthuav mus rau hauv ib txoj kab tiaj tiaj, uas pab kom ntub thiab pab sau qhov dav, nyias. Ib pawg ntawm tsawg dua, cov filaments coarser ntws thiab impregnates sib txawv, tiv taus qhov qhib ntawm qhov nkag ntawm lub pwm, thiab txhais nws lub zog rau hauv laminate sib txawv. Tsis muaj ib qho zoo dua hauv qhov abstract; lawv yog cov cuab yeej sib txawv.

Qhov kev nqis tes ua no txhais tau tias me me thiab pheej yig: nug txog txoj kab uas hla ntawm cov xov thiab qhov suav ntawm lub qhov bushing nrog rau cov ntaub tex. Cov neeg muag khoom luam tawm cov ntaub tex thiab txoj kab uas hla ua cov kab sib cais rau qhov laj thawj no, thiab nws yog txoj hauv kev ceev tshaj plaws los nrhiav seb 4800 pheej yig dua puas yog tib lub zog txhawb nqa lossis tsuas yog tib tus lej xwb.

Qhov sib npaug ntawm pawg: los ntawm qhov profile mus rau qhov kawg

Qhov no yog qhov kev xam uas hloov daim duab kos mus ua ib qho creel layout. Peb kauj ruam, thiab cov kev xav tseem ceeb npaum li kev suav lej.

Kauj Ruam 1 — qhov hnyav ntawm iav ib 'meter'.Siv thaj tsam ntawm qhov seem hauv cm², muab ntxiv rau 100 kom tau qhov ntim ntawm ib 'meter' ntawm cov ntaub ntawv, muab ntxiv rau qhov feem ntawm cov fiber uas koj xav tau, tom qab ntawd muab ntxiv rau qhov ceev ntawm iav. Rau qhov ceev, 2.55 g/cm³ yog tus nqi siv ntawm no.

Kauj Ruam 2 — xaus.Faib qhov hnyav ntawm iav ib 'meter' los ntawm qhov hnyav uas ib kawg xa tawm ib 'meter', uas yog tex ÷ 1,000.

Kauj Ruam 3 - tig rov qab thiab rov xyuas dua.Cov xaus yog cov lej. Sib sau ua ke, tom qab ntawd xam cov ntsiab lus fiber uas koj yuav tsim, vim tias qhov ntawd yog qhov profile koj yuav xa khoom.

Cov kev xav, tau hais ib zaug kom koj tuaj yeem hloov koj tus kheej: txhua qhov kev txhawb nqa yog roving (tsis muaj lev, daim ntaub thaiv lossis cov khoom sau hauv seem), lub hom phiaj Vf yog ib feem ntim es tsis yog ib feem hnyav, thiab qhov chaw tshem tawm ntawm cov pwm thiab cov resin bleed-back raug tsis quav ntsej. Hloov ib qho ntawm cov ntawd thiab cov lej txav mus.

Piv txwv ua haujlwm: ib daim duab tiaj tiaj 100 hli × 6 hli ntawm lub hom phiaj Vf ntawm 0.60.

Thaj tsam = 6.00 cm², yog li ib 'meter' ntawm cov ntaub ntawv muaj 600 cm³ ntawm cov khoom siv

Qhov ntim iav = 600 × 0.60 = 360 cm³

Qhov hnyav ntawm lub khob iav = 360 × 2.55 =918 g/m2

ntawv xov xwm	g/m ib kawg	cov qhov kawg xav tau (qhov tseeb)	xaus rau kev txiav txim	g/m xa tuaj	Vf tau tsim ua tiav
2400	2.4	382.5	383	919.2	0.601
4800	4.8	191.3	192	921.6	0.602
9600	9.6	95.6	96	921.6	0.602

Tag nrho peb txoj kev xaiv tex raug lub hom phiaj hauv kev sib npaug. Qhov twg yog qhov taw qhia: ntawm theem no ntawm kev xam tex zoo li kev xaiv dawb. Qhov sib txawv uas txiav txim siab nws tsis nyob hauv lub rooj no.

Koj tau txais dab tsi thiab koj them dab tsi thaum koj nce ib kauj ruam

Peb puas yim caum peb kawg dhau los ua 192, tom qab ntawd 96. Qhov sib piv ntawd tsav plaub tus account sib cais, thiab lawv tsis txav mus rau tib qho kev taw qhia.

Cov chaw ntawm cov creel thiab lub sijhawm threading.Tus nqi ntawm cov creel yog rau ib txoj haujlwm, thiab yog li ntawd yog txoj haujlwm ntawm kev xov nws. Kev txiav ob sab kawg yog ib nrab. Ntawm kab uas qhov ntev ntawm cov creel yog qhov kev txwv tsis pub khi - uas yog feem ntau cov kab pultrusion - qhov no feem ntau yog qhov laj thawj tiag tiag los nce ib kauj ruam, thiab nws tsis muaj dab tsi ua rau cov khoom siv.

Kev hloov pauv pob khoom thiab kev sib txuas.Ib nrab ntawm qhov kawg txhais tau tias ib nrab ntawm cov pob khoom, yog li ib nrab ntawm cov doffs thiab ib nrab ntawm cov splices ib zaug ua haujlwm. Ntawm kev khiav tas mus li, kev cuam tshuam tsawg dua muaj nqis ntau dua li qhov zoo dua me ntsis ntawm cov ntaub ntub dej, vim tias txhua qhov splice yog qhov chaw uas qee yam tuaj yeem mus tsis raug.

Ntub dej.Qhov no yog qhov uas daim ntawv teev npe xav tau tus neeg tsim nyog. Kev siv cov tex siab dua ua rau cov fiber ntau dua ib qho kawg, thiab nplooj ntawv khoom hais ncaj qha: tus lej tex siab dua txhais tau tias cov xov tuab dua, uas tuaj yeem siv los ua kom cov fiber ntau dua thiab ua kom cov khoom tsim tau sai dua. Qhov ntawd yog qhov tseeb, thiab nws yog ib daim ntawv hais txog kev siv cov throughput ib qho kawg. Nws tsis yog ib qho lus cog tseg tias koj qhov impregnation yuav ua raws li.

Lub sijhawm nyob hauv lub dab dej yog qhov ntev ntawm lub dab dej faib rau qhov ceev ntawm txoj kab. Lub dab dej 0.6 m khiav ntawm 0.3 m/feeb muab txhua txoj hlua ob feeb hauv cov roj hmab; ntawm 0.6 m/feeb nws muab ib feeb; ntawm 1.2 m/feeb, peb caug vib nas this. Ib txoj hlua ntxhib dua muaj ntau txheej filament rau cov roj hmab kom nkag mus, yog li tib lub sijhawm nyob yuav nkag mus tsawg dua. Ua kom cov tex thiab qhov ceev ntawm txoj kab ua ke - uas yog qhov kev sib cav txhawb nqa - thiab ob qho teebmeem sib xyaw ua ke tiv thaiv kev ntub dej.

Kev daws teeb meem ntawm cov ntsiab lus fiber.Ib kawg ntawm 2400 tex txav Vf li ntawm 0.16 feem pua ntawm qhov profile no. Ib kawg ntawm 4800 tex txav nws 0.31; ib kawg ntawm 9600 tex, 0.63. Yog tias koj qhov kev qhia tshwj xeeb yog 60 ± 1%, tag nrho peb yam ua haujlwm tau. Yog tias koj tab tom txiav sab hauv lub qhov rais ib-taw tes - 62% txog 63%, lossis phim daim coupon ntawm tus neeg siv khoom - 2400 tex muab rau koj kwv yees li rau kauj ruam hla nws, 9600 tex tsuas yog ib qho xwb.

Muab ua ke, tus qauv no zoo ib yam: phab ntsa nyias nyias, cov ntu me me thiab cov fiber nruj nruj ua rau koj mus rau cov ntaub zoo dua, qhov twg cov kawg ntxiv yuav ua rau pom tseeb thiab nthuav dav. Cov ntu tuab, cov kab ntev thiab cov kab txwv tsis pub muaj creel ua rau koj mus rau cov ntaub ntxhib dua, qhov twg cov kawg tsawg dua yuav ua rau yooj yim. Muaj ob peb kab txwv los ntawm tag nrho plaub kab ib zaug, yog vim li cas cov lus teb txawv ntawm ob lub nroj tsuag uas khiav tib lub profile.

Pultrusion thiab filament winding: tib yam tex, ob lub qab nthab

Cov tex tib yam ua txawv hauv ob txoj kev vim tias qhov kev txwv tsis zoo ib yam.

In kev sib txhuam, lub qab nthab yog qhov nkag ntawm lub pwm. Txhua qhov kawg yuav tsum tau nthuav mus rau hauv ib txoj hlua uas puv lub qhov sib npaug, tsis muaj qhov sib txawv thiab tsis muaj kev sib tshooj. Ntau dua, cov kawg nyias dua nthuav tau yooj yim dua thiab sau qhov dav, ntiav zoo dua; tsawg dua, cov kawg tuab dua yog cov tawv dua, tiv taus qhov qhib, thiab tuaj yeem tawm hauv cov ces kaum tsis muaj zog. Yog li qhov kev siv tau yog teeb tsa los ntawm pes tsawg qhov kawg koj lub creel tuav thiab koj qhov kev nthuav dav ua ntej pwm ua haujlwm zoo li cas - tsis yog los ntawm qhov datasheet muab.

In kev sib txuas ntawm cov xov hlau, lub qab nthab yog bandwidth thiab tension. Ntawm qhov sib npaug ntawm throughput, 48 qhov kawg ntawm 2400 tex thiab 12 qhov kawg ntawm 9600 tex xa tib qhov hnyav ib teev. Kaum ob qhov kawg txhais tau tias txoj kev nruj luv dua thiab cov lus qhia tsawg dua, uas yooj yim dua los tswj thiab yooj yim dua rau rethread. Tab sis txhua lub pob ntawm kaum ob tam sim no nqa plaub zaug ntawm qhov hnyav ntws, yog li ib qho snag, ib pob tsis zoo lossis ib qho tension spike tshwm sim ua qhov tsis zoo ntawm band hla thaj chaw dav dua. Winding kuj saib xyuas txog qhov dav ntawm band ib qho dhau, uas hloov pauv nrog tex: ib qho coarser roving npog ntau qhov dav hauv ib qho traverse, uas hloov pauv pes tsawg qhov dhau kaw ib txheej.

Ib qho kev roving uas zoo tagnrho ntawm 383 qhov kawg los ntawm lub pultrusion tuag tuaj yeem yog qhov kev xaiv tsis raug ntawm 12 qhov kawg ntawm lub mandrel. Tib tus lej, lub qab nthab sib txawv.

Tus lej ntawm cov khoom siv uas ua rau koj lub creel loj npaum li cas

Ua ntej koj cog lus rau ib daim ntawv xa ntawv, xyuas seb koj lub creel yuav tsum xa dab tsi:

Cov lej suav yog ib kab:kg/h = xaus × (tex ÷ 1000) × kab ceev (m/min) × 0.06.

Ntawm 25 m/feeb, kev xa khoom 172.8 kg/h siv 48 kawg ntawm 2400 tex, 24 kawg ntawm 4800 tex, lossis 12 kawg ntawm 9600 tex.

ntawv xov xwm	xaus rau 172.8 kg/teev ntawm 25 m/feeb	xaus rau 345.6 kg/teev ntawm 25 m/feeb
2400	48	96
4800	24	48
9600	12	24

Qhov no yog tus lej uas teeb tsa qhov loj ntawm lub creel, qhov hnyav ntawm pob khoom thiab lub sijhawm doffing. Nws tsis qhia koj seb cov kab puas yuav ntub - qhov ntawd yog kev xam lub sijhawm nyob saum toj no - thiab nws tsis qhia koj seb qhov profile puas yuav puv. Siv nws los ntsuas qhov creel, tom qab ntawd siv ob qho ntxiv los xyuas seb lub creel uas koj ntsuas puas khiav tau tiag tiag.

Cov Lus Nug Feem Ntau

Kuv puas tuaj yeem yuav cov ntaub ntxhib tshaj plaws los txiav rau ntawm qhov kawg?

Koj ua tau, thiab ntawm txoj kab uas txwv tsis pub muaj qhov creel feem ntau yog lawm. Xyuas ob yam ua ntej: lub sijhawm nyob uas koj da dej muab rau ntawm koj lub hom phiaj ceev, thiab seb ib kawg ntawm cov ntaub ntawd puas ntxhib dhau rau koj qhov kev kam rau cov fiber. Yog tias ob qho tib si dhau, cov ntaub ntxhib yeej ntawm qhov yooj yim.

Ob tug neeg muag khoom hais tib yam lus - puas yog lawv hloov pauv tau?

Tsis tas li ntawd xwb. Nug seb puas muaj txoj kab uas hla ntawm cov xov paj (filament diameter), qhov suav ntawm lub qhov (bushing hole) thiab qhov loj ntawm cov xov paj (sizing system). Cov xov paj zoo ib yam nrog cov xov paj sib txawv yuav ntub dej sib txawv thiab yuav tsis ua rau lub zog ntawm cov ntaub laminate zoo ib yam.

Puas yog 4800 text "nyob nruab nrab" 2400 thiab 9600?

Hauv qhov hnyav, yog: ob npaug thiab ib nrab. Hauv cov txheej txheem, tsis yog. Nws ua rau ob nrab qhov kawg yam tsis tau txiav ib nrab ntawm cov kauj ruam kho, thiab nws ua rau ob npaug ntawm qhov hnyav ntws ib pob es tsis yog ua plaub npaug. Kev pauv pauv tsis yog linear, yog vim li cas qhov kev xaiv nruab nrab feem ntau yog qhov uas haum rau kab nrog lub creel ruaj khov thiab kev kam rau siab.

Xaiv cov ntawv nyeem uas koj kab tuaj yeem tuav tau

Tex yog kev txiav txim siab kab hnav cov khaub ncaws ntawm daim ntawv qhia. Pib ntawm seem thiab cov ntsiab lus fiber ntau, hloov mus rau grams ib 'meter', faib los ntawm tex kom tau txais qhov kawg, tom qab ntawd xyuas peb yam uas daim ntawv teev npe tsis tuaj yeem qhia koj: seb lub creel puas muaj chaw, seb lub dab da dej puas muaj sijhawm, thiab seb ib qho kawg puas yog qhov kho kom zoo txaus.Xauj Ruifer cov khoom fiberglass reinforcementkom pom qhov ntau ntawm cov khoom siv txhawb nqa ib sab ntawm txoj kab rov qab no, thiab nyeem covkev roving ncaj qha rau pultrusion thiab filament windingua ntej koj xa RFQ uas teev koj cov txheej txheem, ntu, lub hom phiaj Vf thiab resin - ntau ntawm cov uas koj teev, ntau ntawm cov lus teb rov qab los twb phim rau koj kab.