YYP-400E Melt Flow Indexer (MFR)

Nkọwa Dị Mkpirikpi:

Ngwa:

Ihe nnwale ọsọ agbaze nke YYP-400E bụ ngwa maka ịchọpụta arụmọrụ mmiri nke polima plastik na okpomọkụ dị elu dịka usoro nnwale siri dị na GB3682-2018. A na-eji ya atụ ọnụego mmiri agbaze nke polima dịka polyethylene, polypropylene, polyoxymethylene, resin ABS, polycarbonate, naịlọn, na fluoroplastics na okpomọkụ dị elu. Ọ dabara na mmepụta na nyocha na ụlọ ọrụ mmepụta ihe, ụlọ ọrụ na ụlọ ọrụ nyocha sayensị.

 

Isi ihe ndị dị mkpa:

1. Ngalaba mwepụta ihe na-esi na mpụga pụta:

Dayameta ọdụ ụgbọ mmiri mwepụ: Φ2.095±0.005 mm

Ogologo ọdụ ụgbọ mmiri mwepụta: 8.000±0.007 millimeters

Dayameta nke silinda ibu: Φ9.550±0.007 mm

Ogologo nke silinda ibu: 152±0.1 mm

Dayameta isi mkpanaka piston: 9.474±0.007 mm

Ogologo isi mkpanaka piston: 6.350±0.100 mm

 

2. Ike Nnwale Ọkọlọtọ (Ọkwa Asatọ)

Ọkwa nke 1: 0.325 kg = (Mkpanaka Piston + Pan Ịtụ Ihe + Aka Mgbochi Ihe Mgbochi + Ibu Nke 1) = 3.187 N

Ọkwa nke 2: 1.200 kg = (0.325 + Nke 2 Ibu 0.875) = 11.77 N

Ọkwa nke 3: 2.160 kg = (0.325 + Nke 3 Ibu 1.835) = 21.18 N

Ọkwa nke 4: 3.800 kg = (0.325 + Nke 4 Ibu 3.475) = 37.26 N

Ọkwa nke 5: 5.000 kg = (0.325 + Nke 5 Ibu 4.675) = 49.03 N

Ọkwa nke 6: 10,000 kg = (0.325 + Nke 5 4.675 Ibu + Nke 6 Ibu 5.000) = 98.07 N

Ọkwa nke 7: 12,000 kg = (0.325 + Nke 5 4.675 Ibu + Nke 6 5.000 + Nke 7 Ibu 2.500) = 122.58 N

Ọkwa nke 8: 21.600 kg = (0.325 + Nke 2 0.875 Ibu + Nke 3 1.835 + Nke 4 3.475 + Nke 5 4.675 + Nke 6 5.000 + Nke 7 2.500 + Nke 8 2.915 Ibu) = 211.82 N

Njehie dị n'etiti oke ibu ahụ bụ ≤ 0.5%.

3. Oke okpomọkụ: 50°C ~ 300°C

4. Nkwụsi ike nke okpomọkụ: ±0.5°C

5. Ike: 220V ± 10%, 50Hz

6. Ọnọdụ Gburugburu Ebe Ọrụ:

Okpomọkụ Gburugburu: 10°C ruo 40°C;

Iru mmiri dị n'etiti: 30% ruo 80%;

Enweghị ihe na-emebi emebi n'akụkụ ya;

Enweghị ike ikuku siri ike;

Enweghị mkpọtụ ma ọ bụ ihe mgbochi siri ike nke ubi magnetik.

7. Nha ngwa: 280 mm × 350 mm × 600 mm (Ogologo × Obosara ×Ogologo) 


Nkọwa Ngwaahịa

Akara Ngwaahịa

Ụkpụrụ Nhazi na Ọrụ:

Ihe nnwale ọsọ agbaze agbaze bụ ụdị mita plastik extrusion. N'okpuru ọnọdụ okpomọkụ akọwapụtara, a na-ekpo ọkụ ihe nlele a ga-anwale ruo mgbe ọ gbazere agbaze site na ọkụ dị elu. A na-ewepụta ihe nlele agbaze agbaze site na obere oghere nke dayameta akọwapụtara n'okpuru ibu arọ akọwapụtara. N'ime mmepụta plastik nke ụlọ ọrụ mmepụta ihe na nyocha nke ụlọ ọrụ nyocha sayensị, a na-ejikarị "ọsọ agbaze agbaze (oke)" anọchite anya mmiri mmiri, viscosity na ihe ndị ọzọ dị na ihe polymer na steeti agbaze agbaze. Ihe a na-akpọ ndeksi agbaze na-ezo aka na nkezi ibu nke akụkụ ọ bụla nke ihe nlele a gbazere agbaze agbanwere na ọnụọgụ mwepụ n'ime nkeji iri.

 

 

A na-egosi ngwa MFR maka ọsọ mmiri ịgbaze (oke), nke bụ: gram kwa nkeji iri (g/min).

Usoro ahụ bụ:

 

MFR(θ, mnom) = tref . m / t

 

Ebe: θ —- okpomọkụ nnwale

Mnom— - ibu aha (Kg)

m —- nkezi oke nke mbepụ, g

tref —- oge ntụaka (nkeji 10), S (600s)

t ——- oge nke njedebe, s

 

Ihe atụ:

A na-egbutu otu ìgwè ihe atụ plastik kwa sekọnd iri atọ, ihe si na oke nke akụkụ nke ọ bụla pụta bụ: 0.0816 grams, 0.0862 grams, 0.0815 grams, 0.0895 grams, 0.0825 grams.

Uru nkezi m = (0.0816 + 0.0862 + 0.0815 + 0.0895 + 0.0825) ÷ 5 = 0.0843 (grams)

Tinye usoro ahụ n'ime usoro: MFR = 600 × 0.0843 / 30 = 1.686 (grams kwa nkeji 10)

 

 

 

 

 

 






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