Nkọwa nkọwa
Elastomer nke polyurethane nke a na-ejikọta na elu nke drum bụ ihe ọhụrụ polymer synthetic dị n'etiti roba na plastik, nke nwere ma ike dị elu na ike nke plastik na roba.
O nwere njirimara ndị a:
1.Wide ike nso. Ọ ka nwere elongation na resilience nke rọba n'okpuru nnukwu ike. Oke ike nke polyurethane elastomer bụ Shore A10-D80.
2.High ike. ike na-agbaji ha na ibu ikike dị elu karịa nke rọba eluigwe na ala n'okpuru otu ike ahụ. N'ebe siri ike dị elu, ike mmetụta ya na ike na-ehulata dị elu karịa plastik.
3.The wear resistance bụ nnọọ pụtara ìhè, n'ozuzu na nso nke 0.01-0.10 (cm3) / 1.61km, banyere 3-5 ugboro roba.
4.Excellent mmanụ na-eguzogide. Polyurethane elastomer bụ ụdị ogige polar polar siri ike, ọ nwere obere njikọ na mmanụ ịnweta mmanụ na-abụghị polar, ọ fọrọ nke nta ka ọ bụrụ na ọ naghị emebi emebi na mmanụ mmanụ na mmanụ igwe.
5. Ezi oxidation na ozone resistance.
6. Ọmarịcha arụmọrụ absorption vibration, na mbelata mkpọtụ, mmetụta nchekwa.
7. Ọmarịcha arụmọrụ dị ala.
Ngwaahịa Oke
Oke arụmọrụ polyurethane zuru oke nke akụkọ nyocha ruru eru:
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Ụdị polyurethane
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HJ-3190A
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NCO%
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3.7
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Ike Tensile (Mpa)
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10
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Ike akwa mmiri (KN/m)
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55
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Mgbatị na nkwụsị (%)
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450
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Mkpakọ na-adịgide adịgide 22h 70 ℃ (%)
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12
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Akron Abrasion (cm³/1.16km)
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≤0.08
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Uru ike ike (Oké Osimiri A)
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90
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Nsonaazụ ule
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tozuru oke
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Diagrammatic Drawings and Parameters
Diagrammatic Drawings and Parameters for Polyurethane Pulley(Polyurethane Lagging Pulley):

Ogologo eriri
(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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