Ibisobanuro birambuye
Polyurethane elastomer ifatanye hejuru yingoma ni ibikoresho bishya bya polymer synthique hagati ya reberi na plastiki, bifite imbaraga nyinshi kandi byoroshye bya plastiki na reberi.
Ifite ibintu bikurikira:
1.Ubunini bugari. Iracyafite uburebure no kwihanganira reberi munsi ikomeye. Urwego rukomeye rwa polyurethane elastomer ni Shore A10-D80.
2.Imbaraga ndende. imbaraga zabo zo kumeneka hamwe nubushobozi bwo gutwara birarenze cyane ibya reberi yisi yose mubukomere bumwe. Mugihe gikomeye, imbaraga zacyo ningufu zunama ziri hejuru cyane ya plastiki.
3.Kurwanya kwambara biragaragara cyane, mubusanzwe uri hagati ya 0.01-0.10 (cm3) /1.61km, hafi inshuro 3-5 za reberi.
4.Kurwanya amavuta meza cyane. Polyurethane elastomer ni ubwoko bukomeye bwa polymer polymer, ntaho bihuriye cyane namavuta yubutare butari polar, kandi ntibishobora kwangirika mumavuta ya peteroli namavuta ya mashini.
5. Okiside nziza no kurwanya ozone.
6. Igikorwa cyiza cyo kunyeganyega cyiza, hamwe no kugabanya kunyeganyega, ingaruka za buffer.
7. Imikorere yubushyuhe buke.
Ibicuruzwa Ibipimo
Ibikorwa rusange bya polyurethane ya raporo yubugenzuzi bujuje ibisabwa :
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Moderi ya polyurethane
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HJ-3190A
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NCO%
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3.7
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Imbaraga za Tensile (Mpa)
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10
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Imbaraga zamarira (KN / m)
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55
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Kurambura kuruhuka (%)
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450
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Kwikuramo burundu 22h 70 ℃ (%)
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12
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Akron Abrasion (cm³ / 1.16km)
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.080.08
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Agaciro gakomeye (Inkombe A)
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90
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Igisubizo
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Yujuje ibyangombwa
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Diagrammatic Drawings and Parameters
Diagrammatic Drawings and Parameters for Polyurethane Pulley(Polyurethane Lagging Pulley):

Ubugari bw'umukandara
(mm)
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Φ1
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Φ2
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L
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L1
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L2
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D1
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D2
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D3
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t1
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t2
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a
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m
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h
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b
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n
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u
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v
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Remarks
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