XNR-400C Tijaabada Heerka Socodka Dhallaanka

Alaabooyinka Tijaabada: Waxaa loo isticmaalaa si loo go'aamiyo heerka qulqulka dhalaalka ee polyetylen, polypropylene, polyoxymethylene, resin ABS, polycarbonate, naylon fluoroplastics iyo polymers kale ee heerkul sare

Tijaabada heerka dhalaalka ee XNR-400C waa qalab lagu cabbiro sifooyinka socodka ee polymers-ka balaastikada ah heerkul sare iyadoo loo eegayo habka tijaabada ee GB3682-2018. Waxaa loo isticmaalaa polyetylen, polypropylene, polyoxymethylene, resin ABS, polycarbonate, iyo fluorine naylon. Cabbirka qulqulka dhalaalka ee polymers-ka sida balaastikada heerkulka sare. Waxay ku habboon tahay wax soo saarka iyo cilmi-baarista warshadaha, shirkadaha iyo qaybaha cilmi-baarista sayniska.

Astaamaha ugu muhiimsan:
1. Qaybta soo saarista:
Dhexroorka dekedda laga sii daayo: Φ2.095 ± 0.005 mm
Dhererka dekedda laga sii daayo: 8.000 ± 0.005 mm
Dhexroor dhululubo: Φ9.550±0.005 mm
Dhererka foosto ku dallacaadda: 160±0.1 mm
Dhexroorka usha biistaanka: 9.475 ± 0.005 mm
Dhererka madaxa bistoonka: 6.350± 0.100mm
2. Xoogga tijaabada caadiga ah (heerka sideedaad)
Heerka 1: 0.325 kg = (Usha bistoonka + saxaarad culeyska + gacanka dahaarka kulaylka + 1 jirka miisaanka) = 3.187N
Nivå 2: 1.200 kg=(0.325+0.875 miisaanka No. 2)=11.77 N
Nivå 3: 2.160 kg = (0.325 + No. 3 1.835 miisaanka) = 21.18 N
Nivå 4: 3.800 kg=(0.325+No. 4 3.475 miisaanka)=37.26 N
Nivå 5: 5.000 kg = (0.325 + No. 5 4.675 miisaanka) = 49.03 N
Nivå 6: 10.000 kg=(0.325+No. 5 4.675 miisaanka + No. 6 5.000 miisaanka)=98.07 N
Nivå 7: 12.000 kg=(0.325+No. 5 4.675+miisaanka+No. 6 5.000+Lambarka 7
Nivå 8: 21.600 kg=(0.325+0.875 miisaanka No. 2+1.835 Miisaanka No.4+3.475+No.5 4.675+No.6 5.000+No.7 2.500+No.8 2.915 Miisaanka)=211.8 qalad qaraabo ≤ 0.5%.
3. Heerkulka: 50-300 ℃
4. Saxnaanta heerkulka joogtada ah: ± 0.5 ℃.
5. Korontada: 220V± 10% 50Hz
6. Xaaladaha deegaanka shaqada: heerkulka jawigu waa 10 ℃-40 ℃; qoyaanka qaraabada ah ee deegaanka waa 30% -80%; ma jiro meel dhexe oo daxalaysa oo ku wareegsan, ma jiro hawo xoog leh oo isku xidha; gariir la'aan, ma jiro faragelin xoog leh oo birlab ah.

Qaab dhismeedka iyo mabda'a shaqada:
Mitirka qulqulka dhalaalka waa mitir caag ah oo dibadda loo saaray. Waxay isticmaashaa foornada kuleylka kuleylka sare leh si ay uga dhigto shayga la cabbiray inuu gaaro xaalad dhalaalaysa oo hoos timaada xaaladda heerkulka la cayimay. Shayga tijaabada ah ee xaaladan dhalaalaysa waxa lagu mariyaa tijaabada extrusion iyada oo loo marayo dalool yar oo dhexroor gaar ah oo hoos yimaada cufis-jiidad miisaan loo qoray. Wax soo saarka caaga ah ee shirkadaha warshadaha iyo cilmi baarista cutubyada cilmi-baarista sayniska, "dhalaalida (mass) heerka socodka" waxaa badanaa loo isticmaalaa in lagu muujiyo sifooyinka jireed ee walxaha polymer ee gobolka dhalaalka ah sida dareeraha iyo viscosity. Waxa loogu yeero tusaha dhalaalidda waxaa loola jeedaa celceliska miisaanka qayb kasta oo ka mid ah extrudate-ka oo loo beddelay mugga extrusion ee 10 daqiiqo.
Mitirka qulqulka dhalaalka (mass) waxaa muujiyay MFR, halbeeggu waa: garaam/10 daqiiqo (g/min), qaacidada waxaa lagu muujiyay: MFR (θ, mnom )=tref .m/t
Qaabka: θ—— heerkulka tijaabi
mnom- culayska magaca Kg
m —- celceliska cufka goynta g
tref ——waqtiga tixraaca (10min), S (600s)
T —— gooyay inta u dhaxaysa s
Tusaale: Qayb muunado caag ah ayaa la gooyaa 30kii ilbiriqsi kasta, natiijada tirada qayb kastana waa: 0.0816 g, 0.0862 g, 0.0815 g, 0.0895 g, iyo 0.0825 g.
Celceliska m = (0.0816+0.0862+0.0815+0.0895+0.0825)÷5=0.0843(g)
Ku beddel qaacidada: MFR=600×0.0843/30=1.686 (g/10 daqiiqo)
Qalabkani wuxuu ka kooban yahay foornada kululaynta iyo nidaamka xakamaynta heerkulka waxaana lagu rakibay saldhigga jidhka (column).
Qaybta xakamaynta heerkulku waxay qabataa awoodda kombuyuutarrada hal-chip ah iyo habka xakamaynta heerkulka, kaas oo leh awood xoog leh oo ka-hortagga, saxnaanta heerkulka sare, iyo xakamaynta xasilloon. Siliga kuleyliyaha ee foornada ayaa ku dhaawacma usha kuleylka sida waafaqsan xeer gaar ah si loo yareeyo heerkulka heerkulka si loo buuxiyo shuruudaha caadiga ah.