Shawa kayan wanka ne waɗanda muke buƙatar amfani da su kowace rana a rayuwarmu ta yau da kullun. Gabaɗaya za a iya raba shawa zuwa nau'i biyu: ruwan shawa ta hannu da tsayayyen shawa. Yadda za a duba kan shawa? Meneneka'idojin dubawadon shawa? Menene bayyanarmatakan dubawadon samfuran shawa?
Duban gani a nesa na 600 mm± 50 mm daga shugaban shawa a ƙarƙashin yanayin haske na 3001x20 1x
1.Bai kamata a ce ba a samu lahani kamar kogon tagulla, blisters, fashe-fashe da kuraje ba, kuma kogon ciki bai kamata ya zama yashi mai gyaggyarawa ba;
2.The m surface na filastik sassa bai kamata ya zama a fili lahani irin su ripples, scratches, gyara lalacewa, da dai sauransu.;
3.Duk wani saman da jikin dan Adam zai iya tabawa yayin amfani da shi bai kamata ya kasance da kusurwoyi masu kaifi ko wasu boyayyun hatsarin da za su iya cutar da jikin dan adam ba.
4.Bayan shigarwa, kada a sami wuraren da ba a kwance ba a kan farfajiyar lantarki. Ya kamata saman ya kasance mai haske kuma har ma, kuma ba a yarda da bawo, bawo, blister, da dai sauransu.
Gwajin aikin jiki da sinadarai
1. Bututu thread daidaito dubawa
Daidaitaccen zaren bututu na haɗin waje na kan shawa ya kamata a auna tare da ma'aunin zaren daidai daidai. Daidaitaccen zaren bututu na haɗin waje na shugaban shawa ya kamata ya dace da daidaitattun bukatun.
2.Safety aikin dubawa
- Sanya shugaban shawa a yanayin amfani. Bayan ruwan zafin jiki shine 42 C2C, matsa lamba mai ƙarfi shine 0.10 MPa0.02 MPa kuma matsa lamba mai ƙarfi shine 0.30 MPa ± 0.02 MPa. Bayan kwanciyar hankali na amfani na mintuna 10 da daƙiƙa 10, duba ko duk sassan kan shawa suna cikin yanayi mai kyau da hannu. Mai sassauƙa, duba shugaban shawa, kowane ɓangaren ruwan shawa ya kamata ya zama mai sassauƙa, shugaban shawa bai kamata ya sami nakasu a fili ba, kuma tsarin jet ɗin ruwa bai kamata ya canza ba.
- Sanya shugaban shawa a cikin yanayin amfani, tare da zafin ruwa a 70 C ± 2 C, matsa lamba mai ƙarfi 0.05 MPa 0.02 MPa da matsa lamba mai ƙarfi 0.50 MPa ± 0.02 MPa bi da bi. Bayan ingantaccen amfani na mintuna 10 da s10, duba fasalulluka daban-daban na kan shawa da hannu. Bincika ko sassan suna sassauƙa. Duba kan shawa. Kowane bangare na kan shawa ya kamata ya zama mai sassauƙa, shugaban shawa bai kamata ya sami nakasu a fili ba, kuma tsarin jet ɗin ruwa bai kamata ya canza ba.
3.Surface shafi da plating ingancin
- Saurin sanyaya da sauri gwajin aikin dumama
Matakan gwaji don ingantattun buƙatun don rufin saman da plating na sassan filastik sune kamar haka:
a) Sanya samfurin a cikin tanda tare da zafin jiki na 70 ° C ± 2C kuma ajiye shi na minti 30;
b) Nan da nan sanya samfurin a zazzabi na 15C ~ 20C na minti 15;
c) Nan da nan sanya samfurin a zazzabi na -30C ~ -25C na minti 30;
d) Nan da nan sanya samfurin a zazzabi na 15C ~ 20C na minti 15.
Abin da ke sama shine saurin sanyaya da saurin zagayowar gwajin dumama, kuma ana yin gwajin daidai gwargwado, don jimlar hawan keke 5. Bayan gwajin sake zagayowar, duba gani ko murfin saman samfurin ya lalace a ƙarƙashin tushen haske mai tarwatse na 700 1x ~ 1 000 x a nesa na 300 mm da 20 mm daga samfurin.
4.Sealing aikin dubawa
Haɗa samfurin zuwa bututun samar da ruwa. Matsakaicin zafin ruwa shine 70 ° C ± 2 ° C. Gwajin ƙarfin ƙarfin gwajin shine 0.05 MPa ± 0.02 MPa da 0.50 MPa ± 0.02 MPa na mintuna 5 ± 10 s bi da bi. Bincika ko akwai wani ɗigogi tsakanin ruwan shawa da sassan haɗin kai. Al'amarin tsinkewar ruwa.
5.Mechanical ƙarfin dubawa
Kada a sami tsaga, nakasar dindindin da za a iya gani ko wata lalacewa bayan dubawa.
6.Hot da sanyi gajiya juriya gwajin yi
Matsakaicin zafin ruwa a ƙarshen ruwan zafi shine 70 C2, yawan zafin jiki na ruwa a ƙarshen ruwan sanyi shine 20 C2, kuma yawan ruwan ruwa shine 0.30 MPa ± 0.02 MPa. Lokacin gudanar da gwajin a matsakaicin kayan aiki mai gudana kuma lokacin juyawa bai wuce 2 s ba, ana ba da ruwan sanyi na 2 n da farko, sannan 2 min ruwan zafi, don sake zagayowar, gudanar da gwaje-gwaje na sake zagayowar 300. Bayan dubawa, kada a sami ɗigogi, fasa, ganuwa na dindindin da gazawar aiki.
7.Flow dubawa
Gwajin gwajin zafin ruwa T<30C, gwajin yana da matakai masu zuwa
- Daidaita na'urar gwaji a matsa lamba mai ƙarfi na 0.10 MPa ± 0.02 MPa, kiyaye matsa lamba na tsawon minti 1, sa'an nan kuma yin rikodin ƙimar kwarara q1. Ci gaba da matsayin na'urar gwajin baya canzawa kuma kashe wutar lantarki.
- Shigar da samfurin a kan na'urar gwaji, fara samar da ruwa, daidaita ma'aunin ƙarfin gwajin gwajin zuwa 0.10 MPa ± 0.02 MPa, ci gaba da kwanciyar hankali na minti 1, gwadawa da yin rikodin ma'aunin ruwan shawa; gwada sau 3, kuma ɗauki ma'anar lissafi Q1.
| salo | yawan kwarara |
| ruwan hannu | ≤7.5 |
| Kafaffen kan shawa | ≤9.0 |
8.Tensile aikin dubawa
Shigar da gyara mashigar ruwan shawa tare da zaren haɗin na'urar da ta dace, yi amfani da ƙarfin jan axial F na 500 N10 N zuwa kan shawa, kuma kula da shi don 15 s5. Bincika ko akwai wata bayyananniyar lalacewa ga hannun shawa, kan shawa, da sauransu a kowane ɓangaren haɗin gwiwa. Cire kan shawa kuma haɗa shi da bututun samar da ruwa. Ajiye shi na mintuna 5 ± 5 s a ƙarƙashin yanayin yanayin samar da ruwa wanda bai wuce 30C ba da matsa lamba mai ƙarfi na .50 MPa0.02 MP. Bincika ko akwai ɗigogi a cikin kan shawa da sassan haɗin gwiwa. .
9.Resistance zuwa shigarwa load dubawa
The shawa dangane bututu thread juriya ga shigarwa load za a gwada daidai da dokoki. Bayan gwajin, zaren ba zai sami raguwa ba, babu lalacewa kuma ya dace da buƙatun a cikin teburin da ke ƙasa.
| salo | Nau'in zaren haɗin haɗi | lokacin torsional |
| ruwan hannu | Filastik/Metal Connection | ≥5 |
| Kafaffen kan shawa | Mai haɗa filastik | ≥5 |
| mai haɗa karfe | ≥20 |
10.Cooling gwajin
An kayyade cewa raguwar zafin jiki kada ta wuce 3C yayin gwajin.
11.Shawa aikin jujjuya gwajin rayuwa
Ya kamata a yi wannan gwajin don shawa tare da jiragen ruwa 2 ko fiye. Bayan zagayowar 10,000 kamar yadda aka ƙayyade, ya kamata a cika buƙatun.
12.Hand-riken shawa anti-siphon dubawa
A cikin tsarin shawa, idan sassa masu haɗawa ban da kan shawa na hannu, irin su hoses da faucets, ba su da na'urorin anti-siphon, shugaban shawa na hannu ya kamata ya sami aikin anti-siphon. Ana gwada aikin anti-siphonage daidai da ka'idoji, kuma babu wani matakin ruwa da ake iya gani a bututun buɗe ido.
13.Swing yi gwajin na siffar zobe dangane
Don ƙayyadaddun shawa mai motsi ko kawunan shawa tare da haɗin ƙwallon ƙwallon, yakamata a yi wannan gwajin. Bayan zagayowar 10,000 daidai da ƙa'idodi, sassan haɗin ƙwallon bai kamata su sami ɗigogi ba kuma ya dace da buƙatun.
14.Function sauya ƙarfin gwajin
Don shugaban shawa mai aiki da yawa, haɗa samfurin zuwa bututun samar da ruwa a ƙarƙashin yanayin yanayin samar da ruwa T≤30 ° da matsa lamba mai ƙarfi 0.25 MP ± 0.02 MPa, kuma yi amfani da aikin gwajin matsa lamba don canza ƙimar ƙarfin a karshen rike. Ƙarfin jujjuyawar aikin sa ko juzu'i bai kamata ya fi 45 ko 1.7 N·m ba; don samfuran da aka ƙera don naƙasassu, kafin da bayan gwajin rayuwa, bai kamata ya fi 22 N ba.
15.Ball shugaban lilo ikon gwajin
Don ƙayyadaddun shawa masu motsi tare da haɗin ƙwallon ƙwallon ƙafa, ana buƙatar ƙarfin jujjuya ƙwallon ƙwallon don a gwada kuma kada ya wuce 45N.
16.Drop gwaji
Ana gwada magudanar ruwan sha na hannu daidai da ƙa'idodi, kuma ba a yarda da nakasu ko fasa da ke shafar aminci da aiki na yau da kullun ba. Za'a iya sake shigar da sassan da suka rabu ko faɗuwa yayin gwajin kuma samfurin ya kamata ya kula da aiki na yau da kullun. Bayan gwajin, ruwan wanka ya kamata ya bi ka'idodin.
17.Injection karfi dubawa
Lokacin da aka gwada daidai da ƙa'idodi, matsakaicin ƙarfin fesa ruwan shawa na hannu bai kamata ya zama ƙasa da 0.85 N. Idan ruwan inabin furen da ke cikinsa yana da hanyoyi da yawa na fitar da ruwa, za a yi amfani da matsakaicin matsakaicin ƙarfin fesa.
Lokacin aikawa: Janairu-25-2024