Tuubooyinka caagga ah ee Thermoplastic waxaa si weyn loogu isticmaalaa wax soo saarka baabuurta, qalabka caafimaadka, gudbinta dareeraha warshadaha, iyo qalabka guriga ay sabab u tahay barti aad u fiican, caabbinta kiimikaad, iyo fududaynta habaynta. Si kastaba ha ahaatee, xaaladaha kala duwan ee codsiyada ayaa si weyn u kala duwan shuruudaha waxqabadka ee tuubooyinka caagga ah, iyo xulashada alaabtu waxay si toos ah u saameyneysaa nolosheeda adeegga, badbaadada, iyo shaqeynteeda. Maqaalkani wuxuu si nidaamsan u falanqeynayaa xeeladaha xulashada alaabta ee tuubooyinka caagga ah ee heerkulbeegga iyadoo laga eegayo sifooyinka alaabta, shuruudaha codsiga, iyo dhaqamada injineernimada.
Isbarbardhigga Tilmaamaha Qalabka Caadiga ah ee Kuleyliyaha Guud
Thermoplastic caag (TPR/TPE) waa nooc ka mid ah maaddooyinka polymerka ah ee isku dara bartinimada caagga iyo faa'iidooyinka farsamaynta balaastikada. Noocyada caadiga ah waxaa ka mid ah styrene -ku salaysan (sida SBS, SEBS), olefin{2}}ku salaysan (sida TPV), polyurethane{3}}ku salaysan (TPU), iyo polyester{4}kusalaysan (TPEE).
1. Styrene -elastomer-ku-salaysan thermoplastic (SBS/SEBS)
SBS (styrene{0}butadiene-styrene block copolymer) waxa lagu gartaa qiimo jaban iyo dabacsanaan wanaagsan, taas oo ka dhigaysa mid ku haboon jawi hoose{2}}(-40℃to 100 degree). Si kastaba ha ahaatee, iska caabinteeda saliidda iyo iska caabbinta kulaylkeedu sarreeyo ayaa ah mid daciif ah, waxaana inta badan loo isticmaalaa badeecadaha maalinlaha ah ama tuubooyinka codsiyada aan muhiimka ahayn. SEBS (hydrogenated SBS), iyada oo loo marayo isbeddelka hydrogenation, waxay hagaajinaysaa caabbinta gabowga iyo caabbinta heerkulka (ilaa 120 darajo), waxayna u adkaysataa ozone iyo shucaaca ultraviolet, oo inta badan loo isticmaalo codsiyada dibadda ama xaaladaha u baahan xasilloonida muddada dheer.
2. Polyolefins Thermoplastic (TPV)
TPV (sida isku dhafka PP/EPDM) waa walxo isku dhafan oo ah caag firfircoon oo firfircoon, isku darka barti ee caag adag. Waxay ku ilaalisaa awoodda farsamada heerkulka sare (130 ° ~ 150 digrii) waxayna leedahay caabbinta saliidda iyo dareeraha. Codsiyada caadiga ah waxaa ka mid ah tuubbooyinka mishiinka baabuurta iyo gudbinta dareeraha heerkulka sare ee warshadaha.
3. Thermoplastic Polyurethane (TPU)
TPU waxaa lagu yaqaanaa xooggeeda sare, caabbinta nabarka, iyo iska caabinta saliidda, oo leh kala duwanaansho adag oo ballaaran (60A ilaa 80D), taas oo ka dhigaysa mid ku habboon{2}}cadaadiska, sare{3}} bay'adaha nabarka (sida tuubooyinka hydraulic ama nidaamyada sambabada). Si kastaba ha ahaatee, TPU waxay leedahay iska caabin biyo-celin liidata waxaana laga yaabaa inay hoos u dhigto isticmaalka muddada dheer ee jawiga qoyan, oo u baahan dahaarka ama dahaarka.
4. Thermoplastic Polyester Elastomer (TPEE)
TPEE waxay isku daraysaa adkaynta polyesterka iyo dabacsanaanta polyeter-ka, soo bandhigaysa daal firfircoon oo heersare ah iyo iska caabin kiimikaad, taas oo ka dhigaysa mid ku haboon - laablaabashada soo noqnoqda ama xaaladaha culayska firfircoon (sida tuubooyinka robotka ama qalabka saxda ah ee isku xidha tuubooyinka). Heerkulka iska caabintiisu waa caadi ahaan -40 darajo ilaa 150 darajo , laakiin qiimaheeda sare waxa uu xaddidaa codsigeeda meelaha dhamaadka-hoose.
Qodobbada Injineerinka ee Muhiimka ah ee Xulashada Qalabka
1. Deegaanka Shaqada iyo Is-waafajinta Warbaahinta
• Temperature Range: If the pipeline needs to be exposed to high temperatures (>120 darajo) muddo dheer, TPV ama TPEE ayaa la door bidaa; bey'ada heerkulka hooseeya{{1}<-30℃), SEBS or specially formulated TPU are recommended.
• Warbaahinta Kiimikada: Marka lala xiriiro saliidaha ama shidaalka, TPV iyo TPU waxay muujiyaan caabbinta bararka ka fiican kan SEBS; gudbinta dareeraha aashitada/alkali ee xooggan, TPE ama PTFE la beddelay oo fluorinated ah -tubo isku dhafan oo safaysan waa in la doortaa.
2. Shuruudaha Waxqabadka Makaanikada
• Cadaadiska Cadaadiska iyo Xooga dilaaca: Nidaamyada cadaadiska sare - (sida xadhkaha biyaha) waxay ku tiirsan yihiin TPU ama TPV oo la xoojiyay (oo leh lakabyo galaas ah oo lagu daray ama naylon).
• Dabacsanaan: Codsiyada ku lug leh foorarsiga soo noqnoqda (sida kateetarka caafimaadka), TPEE ama SEBS hoose ee adag waa in la doortaa si loo dheellitiro dabacsanaan iyo iska caabbinta ilmada.
3. Shuruudaha Nidaaminta iyo Shahaadaynta: Dhinaca caafimaadka, u hoggaansanaanta heerarka FDA ama USP Class VI ayaa loo baahan yahay, iyo sare - daahirsanaanta SEBS ama caafimaadka{2} darajada TPU ayaa lagula talinayaa; Tubooyinka xidhiidhka cuntada waa inay buuxiyaan FDA 21 CFR 177.2600 (tusaale, TPR oo aan lahayn khatar socdaal); warshadaha baabuurta sida caadiga ah waxay u baahan yihiin alaabta si loo shahaado heerarka LV 312 ama SAE J20.
Talooyin wax ku ool ah iyo Isbeddellada Mustaqbalka
Xulashada agabka wax ku oolka ah, waxaa lagu talinayaa in lagu wanaajiyo go'aamada iyada oo loo marayo tillaabooyinka soo socda:
1. Qeex xuduudaha codsiga: Liis ku qor tilmaamayaasha asaasiga ah sida heerkulka, cadaadiska, nooca warbaahinta, iyo nolosha adeegga;
2. Tijaabada alaabta iyo xaqiijinta: Samee tijaabooyinka gabowga ee la dadajiyay, tijaabooyinka immersion kiimikaad, iyo qiimaynta hantida farsamada ee agabka musharaxiinta;
3. Qiimaha -Faa'iidada falanqaynta: Ka miisaan kharashyada agabka bilowga ah marka loo eego kharashyada dayactirka muddada dheer- Tusaale ahaan, iyadoo TPU ay leedahay qiime halbeeg sare leh, cimrigeeda dheer ayaa ka dhigaysa mid ku haboon -qiimaha- codsiyada lagu daray.
Mustaqbalka, iyada oo la horumarinayo bio{0}elastometer thermoplastic ku salaysan (sida polylactic acid{1}}ku salaysan TPR) iyo walxaha nanocomposite, tuubooyinka caagga ah ee heerkulku waxay gaadhi doonaan horumaro saaxiibtinimo iyo shaqaynta deegaanka. Injineerada waxay u baahan yihiin inay si joogto ah ula socdaan horumarka xagga sayniska agabka si ay u daboolaan baahida warshadaha ee sii kordheysa.
Xulashada maadada tuubooyinka caagga ah ee heerkulbeegga kaliya maahan hagaajinta halbeeg keliya, laakiin waa hab injineernimo oo dhammaystiran oo isku-dhafan sifooyinka walxaha, xaaladaha hawlgalka, iyo shuruudaha u hoggaansanaanta. Iyada oo si cilmiyeysan ugu habboon agabka shuruudaha, isku halaynta iyo dhaqaalaha nidaamyada tuubooyinka ayaa si weyn loo horumarin karaa.
