DRK208 Mai Gwajin Ƙimar Narkewa

Saukewa: DRK208FƙanananRciTAna amfani da ester don auna yawan narkewar ruwa na polyethylene, polypropylene, polyformaldehyde, resin ABS, polycarbonate, nailan fluoroplastic da sauran polymers a babban zafin jiki bisa ga hanyar gwaji na GB3682-2018.Ya dace da samarwa da bincike a masana'antu, kamfanoni da cibiyoyin bincike na kimiyya.

Babban halaye:

1,Fitar sashin fitarwa:

Diamita na tashar jiragen ruwa:φ 2.095±0.005 mm

Tsawon tashar jiragen ruwa: 8.000±0.005 mm

Diamita na cajin ganga:φ 9.550±0.005 mm

Tsawon ganga mai caji: 160±0.1 mm

Piston sanda diamita: 9.475±0.005 mm

Tsawon sandar fistan: 6.350±0.100 mm

2,Ƙarfin gwaji na yau da kullun (jin 8)

Daraja 1:0.325kg = (sandan fistan + tire mai nauyi + hannun rigar zafi + lamba 1 jiki mai nauyi)

= 3.187 N

Daraja 2:1.200kg =(0.325+ No.2 0.875 nauyi)= 11.77N

Daraja 3:2.160kg =(0.325+ No.3 1.835 nauyi)= 21.18N

Daraja 4:3.800 kg=(0.325+ no.4 3.475 nauyi)= 37.26N

Daraja 5:5.000 kg=(0.325+ no.5 4.675 nauyi)= 49.03N

Daraja 6:10.000 kg=(0.325+ No.5 4.675 nauyi + No.6 5.000 nauyi)= 98.07N

Daraja 7:12.000 kg=(0.325+ no.5 4.675 nauyi + No.6 5.000+ No.7 2.500 nauyi)= 122.58N

Daraja 8:21.600 kg=(0.325+ lamba 2 0.875 nauyi + Lamba 3 1.835+ Lamba 4

3.475+5 4.675+6 5.000+7 2.500+8 2.915 nauyi)= 211.82N

Kuskuren dangi na nauyi≤0.5%.

3,Yanayin zafin jiki:50-300℃

4,Madaidaicin zafin jiki na dindindin: ±0.5℃.

5,Tushen wutan lantarki:220V±10% 50 Hz

6,Wurin aiki: yanayin zafin jiki shine 10℃-40℃;Yanayin zafi na dangi shine 30% -80%;Babu matsakaici mai lalata a kusa da, babu iska mai ƙarfi;Babu girgizawa da tsangwama mai ƙarfi na filin maganadisu a kusa.

7,Girman kayan aiki:250×350×600=(L×W×H)

Tsarin tsari da ƙa'idar aiki:

Mita mai ƙyalli mai narkewa shine mitar filastik extruded.Yana cikin ƙayyadaddun yanayin zafin jiki, tare da tanderun dumama zafin jiki don yin kayan da aka auna don cimma yanayin narkewa.Halin narkakkar kayan da aka auna, ƙarƙashin ƙayyadadden ƙayyadaddun nauyin nauyi ta wani takamaiman diamita na gwajin extrusion rami.A cikin samar da robobi na masana'antu masana'antu da kuma binciken cibiyoyin bincike na kimiyya, ana amfani da "narke (mass) yawan kwararar ruwa" sau da yawa don bayyana yawan ruwa, danko da sauran kaddarorin jiki na kayan polymer a cikin yanayin narkewa.Abin da ake kira alamar narkewa yana nufin matsakaicin nauyin kowane sashe na samfurin da aka fitar a cikin minti 10 na extrusion.

Narke (mass) mitar ƙimar kwarara ana bayyana ta MFR, naúrar ita ce: g/ 10 min (g/min) Formula: MFR(θ, mun)                      =tref .m/t

A cikin dabara: θ——Gwajin zafin jiki

          mun-Nau'in nauyi Kg

           m --Matsakaicin adadin yanke g

          tref--Lokacin magana(10 min), S ( 600s)

           t--Tazarar lokaci don yanke s

Kayan aikin yana kunshe da tanderun dumama da tsarin kula da zafin jiki kuma an sanya shi a kan tushen fuselage (column).

Bangaren kula da zafin jiki yana ɗaukar microcomputer guda-guntu don daidaita ƙarfi da sarrafa zafin jiki, wanda ke da ƙarfin hana tsangwama, babban madaidaicin sarrafa zafin jiki da kwanciyar hankali.Wutar dumama a cikin tanderun yana rauni akan sandar dumama bisa ga wata doka don rage girman zafin jiki da kuma biyan daidaitattun buƙatun.

Abubuwan da ke buƙatar kulawa:

1,Dole ne soket ɗin wutar lantarki guda ɗaya ya kasance yana da ramin waya mai ƙasa, kuma abin dogaro mai tushe.

2,Idan akwai nuni mara kyau akan LCD, yakamata a rufe shi da farko, sannan sake saita zafin gwajin kuma fara aikin.

3,A al'ada aiki, idan tanderu zafin jiki ne fiye da 300℃, Kariyar software, katsewar dumama, da ƙararrawa.

4,Idan akwai abubuwan da ba na al'ada ba, kamar sarrafa zafin jiki, ba za a iya nunawa ba, da sauransu, ya kamata a rufe don kiyayewa,

5,Lokacin tsaftace sandar fistan, kar a goge da abubuwa masu wuya.