Incazelo Yemininingwane
I-polyurethane elastomer enamathiselwe ngaphezulu kwesigubhu iyinto entsha yokwenziwa ye-polymer phakathi kwerabha nepulasitiki, enamandla kokubili kanye nokunwebeka kwepulasitiki nenjoloba.
Inezici ezilandelayo:
1.Wide ubulukhuni ububanzi. Isenobude nokuqina kwerabha ngaphansi kokuqina okuphezulu. Ububanzi bokuqina be-polyurethane elastomer yi-Shore A10-D80.
2.Amandla aphezulu. amandla abo okuphuka kanye namandla okuthwala aphakeme kakhulu kunalawo enjoloba yendawo yonke ngaphansi kobunzima obufanayo. Ebulukhunini obuphezulu, amandla ayo okushayisana namandla okugoba aphezulu kakhulu kunepulasitiki.
3.Ukumelana nokugqokwa kuvelele kakhulu, ngokuvamile ebangeni lika-0.01-0.10 (cm3) /1.61km, cishe izikhathi ezingu-3-5 zenjoloba.
4.Ukumelana nowoyela okuhle kakhulu. I-polyurethane elastomer iwuhlobo lwenhlanganisela ye-polar eqinile ye-polar, inobudlelwane obuncane namafutha amaminerali angeyona i-polar, futhi cishe ayigqwali kuwoyela wesibaseli namafutha ayimishini.
5. I-oxidation enhle kanye nokumelana ne-ozone.
6. Ukusebenza okuhle kakhulu kokumuncwa kokudlidliza, ngokunciphisa ukudlidliza, umphumela webhafa.
7. Ukusebenza okuhle kokushisa okuphansi.
Umkhiqizo Amapharamitha
Imingcele yokusebenza kwe-polyurethane evamile yombiko wokuhlola ofanelekayo:
|
Imodeli ye-polyurethane
|
HJ-3190A
|
I-NCO %
|
3.7
|
Amandla Okuqina (Mpa)
|
10
|
Amandla Enyembezi(KN/m)
|
55
|
I-Elongation at Break(%)
|
450
|
Ukucindezela Okungapheli 22h 70℃ (%)
|
12
|
I-Akron Abrasion (cm³/1.16km)
|
≤0.08
|
Inani Lokuqina (Shore A)
|
90
|
Umphumela Wokuhlola
|
Ufanelekile
|
Diagrammatic Drawings and Parameters
Diagrammatic Drawings and Parameters for Polyurethane Pulley(Polyurethane Lagging Pulley):

Ububanzi Bebhande
(mm)
|
Φ1
|
Φ2
|
L
|
L1
|
L2
|
D1
|
D2
|
D3
|
t1
|
t2
|
a
|
m
|
h
|
b
|
n
|
u
|
v
|
Remarks
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|