XNR-400C Melt Flow Rate Tester

Lintho tsa liteko: E sebelisetsoa ho fumana tekanyo ea ho phalla ha polyethylene, polypropylene, polyoxymethylene, ABS resin, polycarbonate, nylon fluoroplastics le lipolymer tse ling ka mocheso o phahameng.

XNR-400C melt flow rate tester ke sesebelisoa sa ho lekanya thepa ea phallo ea li-polymer tsa polasetiki ka mocheso o phahameng ho latela mokhoa oa teko oa GB3682-2018. E sebelisoa bakeng sa polyethylene, polypropylene, polyoxymethylene, ABS resin, polycarbonate, le nylon fluorine. Tekanyo ea sekhahla sa phallo ea ho qhibiliha ea li-polymers tse kang lipolasetiki ka mocheso o phahameng. E loketse tlhahiso le lipatlisiso lifekthering, likhoebong le likarolong tsa lipatlisiso tsa saense.

Likarolo tsa mantlha:
1. Karolo ea Extrusion:
Bophara ba kou ea ho tsoa: Φ2.095±0.005 mm
Bolelele ba kou ea ho tsoa: 8.000±0.005 mm
Bophara ba silindara ea ho tjhaja: Φ9.550±0.005 mm
Bolelele ba barrel ea ho tjhaja: 160±0.1 mm
Piston molamu hlooho bophara: 9.475±0.005 limilimithara
Bolelele ba hlooho ea molamu oa piston: 6.350±0.100mm
2. Matla a tloaelehileng a teko (boemo ba borobeli)
Boemo ba 1: 0.325 kg = (molamu oa piston + terei ea boima + letsoho la ho kenya mocheso + 1 boima ba 'mele) = 3.187N
Boemo 2: 1.200 kg=(0.325+0.875 boima No. 2)=11.77 N
Boemo ba 3: 2.160 kg = (0.325 + No. 3 1.835 boima) = 21.18 N
Boemo 4: 3.800 kg=(0.325+No. 4 3.475 boima)=37.26 N
Boemo ba 5: 5.000 kg = (0.325 + No. 5 4.675 boima) = 49.03 N
Boemo 6: 10.000 kg=(0.325+No. 5 4.675 boima + No. 6 5.000 boima)=98.07 N
Boemo 7: 12.000 kg=(0.325+No. 5 4.675 boima+No. 6 5.000+No. 7 2.500 boima)=122.58 N
Boemo ba 8: 21.600 kg=(0.325+0.875 boima ba No. 2+1.835 boima ba No.4+3.475+No.5 4.675+No.6 5.000+No.7 2.500+No.8 2.915 boima)=211.8 N. phoso e amanang le ≤ 0.5%.
3. Mefuta ea mocheso: 50-300 ℃
4. Ho nepahala ha mocheso kamehla: ± 0.5 ℃.
5. Matla a matla: 220V ± 10% 50Hz
6. Maemo a tikoloho ea ho sebetsa: mocheso o potolohileng ke 10 ℃-40 ℃; mongobo o lekanyelitsoeng oa tikoloho ke 30% -80%; ha ho na mokhoa o senyang o pota-potileng, ha ho na moea o matla; ha ho na vibrate ho potoloha, ha ho na tšitiso e matla ea makenete.

Sebopeho le molao-motheo oa ts'ebetso:
The melt flow rate meter ke extruded plastic meter. E sebelisa sebōpi sa mocheso o phahameng oa mocheso ho etsa hore ntho e lekantsoeng e fihle boemong bo qhibilihisitsoeng tlas'a boemo bo boletsoeng ba mocheso. Ntho ea teko sebakeng sena se entsoeng ka ho qhibilihisoa se kenngoa tekong ea extrusion ka lesoba le lenyenyane la bophara bo itseng tlas'a boima ba boima ba boima bo behiloeng. Tlhahisong ea polasetiki ea likhoebo tsa indasteri le lipatlisiso tsa likarolo tsa lipatlisiso tsa mahlale, "sekhahla sa ho qhibiliha (boima) se atisa ho sebelisoa ho hlalosa thepa ea 'mele ea thepa ea polymer sebakeng se qhibilihisitsoeng joalo ka fluidity le viscosity. Ho thoeng ke letšoao la ho qhibiliha le bolela boima bo tloaelehileng ba karolo e 'ngoe le e' ngoe ea extrudate e fetotsoeng ka molumo oa extrusion oa metsotso e 10.
Methara ea sekhahla sa ho qhibiliha (boima) e hlahisoa ke MFR, yuniti ke: ligrama/metsotso e 10 (g/min), 'me foromo e hlahisoa ke: MFR (θ, mnom )=tref .m/t
Ka mokhoa: θ—— mocheso oa teko
mmmm— mojaro ka lebitso Kg
m —— boima bo tloaelehileng ba sehiloeng g
tref —— nako ea litšupiso (10min), S (600s)
T —— khaola karohano ea nako s
Mohlala: Sete ea lisampole tsa polasetiki li khaoloa metsotsoana e meng le e meng e 30, 'me liphetho tsa boima ba karolo ka' ngoe ke: 0.0816 g, 0.0862 g, 0.0815 g, 0.0895 g, le 0.0825 g.
Karolelano ea m = (0.0816+0.0862+0.0815+0.0895+0.0825)÷5=0.0843(g)
Kenya sebaka sa foromo: MFR=600×0.0843/30=1.686 (g/10 metsotso)
Sesebelisoa sena se entsoe ka sebōpi se futhumatsang le tsamaiso ea ho laola mocheso 'me e kenngoa motheong oa' mele (kholomo).
Karolo ea taolo ea mocheso e amohela mokhoa oa ho laola mocheso o le mong-chip microcomputer, o nang le matla a matla a ho thibela tšitiso, ho nepahala ha taolo ea mocheso o phahameng, le taolo e tsitsitseng. Mohala o futhumatsang ka sebōping o kenngoa ka molamu oa ho futhumatsa ho latela molao o itseng ho fokotsa mocheso oa mocheso ho finyella litlhoko tse tloaelehileng.