DRK208 Mai Gwajin Ƙimar Narkewa
The DRK208 narke kwarara kudi gwajin kayan aiki ne don aunawa kwarara kaddarorin na roba polymers a high yanayin zafi bisa ga gwajin Hanyar GB3682-2018. Ana amfani da polyethylene, polypropylene, polyoxymethylene, ABS guduro, polycarbonate, nailan fluoroplastics, da dai sauransu. Auna narke ya kwarara kudi na polymer a high zafin jiki. Ya dace da samarwa da bincike a masana'antu, kamfanoni da sassan binciken kimiyya.
Babban fasali:
1. Bangaren fitarwa:
Diamita na tashar fitarwa: Φ2.095± 0.005 mm
Tsawon tashar fitarwa: 8.000 ± 0.005 mm
Diamita na cajin Silinda: Φ9.550±0.005 mm
Tsawon ganga mai caji: 160± 0.1 mm
Piston sanda diamita: 9.475 ± 0.005 mm
Tsawon sandar fistan: 6.350± 0.100mm
2. Matsakaicin ƙarfin gwaji (mataki takwas)
Mataki na 1: 0.325 kg = (sandan fistan + tire mai nauyi + hannun rigar zafi + 1 jiki mai nauyi)
= 3.187N
Level 2: 1.200 kg=(0.325+0.875 nauyi No. 2)=11.77 N
Mataki na 3: 2.160 kg = (0.325 + Lamba 3 1.835 nauyi) = 21.18 N
Mataki na 4: 3.800 kg=(0.325+Lamba 4 3.475 nauyi)=37.26 N
Mataki 5: 5.000 kg = (0.325 + No. 5 4.675 nauyi) = 49.03 N
Level 6: 10.000 kg=(0.325+No. 5 4.675 nauyi + Na 6 5.000 nauyi)=98.07 N
Level 7: 12.000 kg=(0.325+No. 5 4.675
Mataki 8: 21.600 kg=(0.325+Lamba 2 0.875 nauyi+Lamba 3 1.835+Lamba 4
3.475+No.5 4.675+No.6 5.000+No.7 2.500+No.8 2.915 nauyi)=211.82 N
Kuskuren dangi na nauyin nauyi shine ≤0.5%.
3. Yanayin zafi:50-300 ℃
4. Daidaiton zafin jiki na dindindin:± 0.5 ℃.
5. Wutar lantarki:220V± 10% 50Hz
6. Yanayin aiki:zafin jiki na yanayi shine 10 ℃-40 ℃; yanayin zafi na dangi shine 30% -80%; babu matsakaici mai lalata a kusa, babu iska mai ƙarfi; babu vibration a kusa da, babu karfi Magnetic tsangwama.
7. Girman waje na kayan aiki: 250×350×600=(tsawon × nisa × tsawo)
Tsarin tsari da ƙa'idar aiki:
DRK208 narke kwararar ƙimar ma'auni shine mitar filastik extruded. Yana amfani da tanderu mai zafi mai zafi don sanya abin da aka auna ya kai ga narkakkar yanayin yanayin zafi da aka ƙayyade. Abun gwajin da ke cikin wannan yanayin narkakkar yana fuskantar gwajin extrusion ta wani ƙaramin rami na wani diamita a ƙarƙashin nauyin nauyin da aka tsara. A cikin samar da filastik na masana'antu masana'antu da kuma binciken sassan bincike na kimiyya, ana amfani da "narke (mass) yawan kwararar ruwa" sau da yawa don bayyana abubuwan da ke cikin jiki na kayan polymer a cikin narkakken yanayin kamar ruwa da danko. Abin da ake kira ma'anar narkewa yana nufin matsakaicin nauyin kowane sashe na extrudate wanda aka canza zuwa girman extrusion na mintuna 10.
Narke (mass) mitar ƙimar kwarara ana bayyana ta MFR, naúrar ita ce: grams/minti 10 (g/min), kuma ana bayyana dabarar ta: MFR (θ, mnom)
=tref .m/t
A cikin dabara: θ—— gwajin zafin jiki
mnom- na'ura mai ƙima Kg
m -- matsakaicin adadin yanke g
tref ——lokacin tunani (minti 10), S (600s)
t —— yanke tazara s
Wannan kayan aikin yana kunshe da tanderun dumama da tsarin kula da zafin jiki kuma an shigar da shi a gindin jiki (ginshiƙi).
Sashin kula da zafin jiki yana ɗaukar ikon microcomputer mai guntu guda ɗaya da hanyar sarrafa zafin jiki, wanda ke da ƙarfin hana tsangwama, daidaiton yanayin zafin jiki mai girma, da kwanciyar hankali. Wutar dumama a cikin tanderun yana rauni akan sandar dumama bisa ga ƙayyadaddun ƙa'ida don rage girman zafin jiki don saduwa da daidaitattun buƙatun.
Matakan kariya:
1. Dole ne soket ɗin wutar lantarki guda ɗaya ya kasance yana da rami mai ƙasa kuma a dogara da shi.
2. Idan nuni mara kyau ya bayyana akan LCD, kashe shi da farko, sannan sake saita zafin gwajin bayan kunna shi, sannan fara aiki.
3. Yayin aiki na yau da kullun, idan zafin tanderu ya fi 300C, software za ta kare ta, ta katse dumama, kuma ta aika da ƙararrawa.
4. Idan wani abu mara kyau ya faru, kamar yanayin zafi ba zai iya sarrafawa ko nunawa ba, da dai sauransu, a rufe shi a gyara shi.
5. Lokacin tsaftace sandar piston, kada a goge da abubuwa masu wuya.
Lura: Saboda ci gaban fasaha, za a canza bayanin ba tare da sanarwa ba. Samfurin yana ƙarƙashin ainihin samfurin a cikin lokacin ƙarshe.
