Na'ura mai aiki da karfin ruwa tace kashi ya kamata kuma hadu da bukatun na matsa lamba (jimlar matsa lamba bambance-bambancen na high matsa lamba tace kasa da 0.1PMa, da kuma jimlar matsa lamba da bambanci na mai dawo da tace kasa da 0.05MPa) don tabbatar da ingantawa na. kwarara da tace element rai.Don haka ta yaya za mu zaɓi matatun mai na hydraulic daidai?Editan ya gaya muku cewa kuna buƙatar yin la'akari da abubuwa guda 5 masu zuwa:
1. daidaiton tacewa
Da farko, ƙayyade matakin tsabta na tabo bisa ga bukatun tsarin hydraulic, sa'an nan kuma zaɓi madaidaicin tacewa na tace mai bisa ga matakin tsabta bisa ga tebur alama.Mafi yawan abubuwan tace mai na hydraulic mai amfani a cikin injinan gini yana da ƙimar tacewa mara kyau na 10μm.Tsabtace mai na ruwa (ISO4406) Daidaitaccen tacewa mara kyau na nau'in tacewa (μm) kewayon aikace-aikacen 13/103 Bawul ɗin hydraulic servo (tare da 3μm tace kashi) 16/135 bawul ɗin daidaitaccen bawul (tare da kashi 5μm tace) 18/1510 Babban abubuwan haɗin ruwa (> 10MPa) ) (tare da 10μm tace kashi) 19/1620 janar na'ura mai aiki da karfin ruwa gyara (<10MPa) (tare da 20μm tace kashi)
Tunda daidaiton tacewa na ƙididdiga ba zai iya da gaske yin nuni da ƙarfin tacewa na ɓangaren tacewa ba, diamita mafi girman nau'in nau'in nau'in tacewa wanda tacewa zai iya wucewa ƙarƙashin ƙayyadadden yanayin gwajin ana amfani dashi azaman cikakkiyar daidaiton tacewa don yin nuni da farkon tacewa kai tsaye. sabon shigar tace kashi.Mafi mahimmancin ma'auni don kimanta ikon abubuwan tace mai na ruwa shine ƙimar β da aka ƙaddara bisa ga ISO4572-1981E (gwajin Multi-pass), wato, man da aka gauraye da daidaitaccen foda na gwaji yana yaduwa ta hanyar tace mai sau da yawa. , da mashigar mai da mashin mai suna gefen biyu na tace mai.rabon adadin barbashi.
2. Halayen kwarara
Gudun ruwa da matsa lamba na nau'in tacewa da ke wucewa ta cikin mai sune mahimman sigogi na halayen kwarara.Ya kamata a gudanar da gwajin halayyar kwarara bisa ga ma'aunin ISO3968-91 don zana yanayin juzu'i mai saurin kwarara.Ƙarƙashin ƙimar samar da man fetur, jimlar matsa lamba (jimillar digon matsi na mahalli mai tacewa da matsi na ɓangaren tacewa) gabaɗaya ya kamata ya kasance ƙasa da 0.2MPa.Matsakaicin kwarara: 400lt/min Gwajin dankon mai: 60to20Cst Mafi ƙarancin kwararar Turbine: 0℃ 60lt/min Matsakaicin kwararar Turbine: 0℃ 400lt/min
3. Karfin tacewa
Gwajin tasirin fashewar za a gudanar da shi daidai da ISO 2941-83.Bambancin matsin lamba da ke faɗuwa sosai lokacin da abin tacewa ya lalace ya kamata ya fi ƙayyadaddun ƙimar.
4. Gudun gajiya halaye
Ya kamata ya dace da daidaitaccen gwajin gajiya na ISO 3724-90.Abubuwan tacewa dole ne a gwada gajiya don zagayowar 100,000.
5. Gwaji don daidaitawa na man hydraulic
Mai tace mai
Ya kamata a gudanar da gwajin jurewar matsin lamba bisa ga ka'idar ISO2943-83 don tabbatar da dacewa da kayan tacewa tare da mai.
Tacewar rabo b rabo yana nufin rabon adadin barbashi mafi girma fiye da girman da aka bayar a cikin ruwa kafin tacewa zuwa adadin barbashi mafi girma fiye da girman da aka ba a cikin ruwan bayan tacewa.Nb=yawan barbashi kafin tacewa Na= adadin barbashi bayan tacewa X= girman barbashi.
Nau'in tace mai na hydraulic shine ƙwararren lokaci a cikin masana'antar tacewa.Domin tsarkake asalin albarkatun muhalli da sake amfani da albarkatun, ana buƙatar kayan aikin tsarkakewa.Yanzu an fi amfani da sinadarin tacewa wajen tace mai, tace iska, tace ruwa da sauran masana'antun tacewa.Kayan aikin tace mai na'ura mai aiki da karfin ruwa ya hada da kashi tace takarda, sinadarin fiber tace kashi (fiber gilashi, fiber na karfe sintered, fiber polypropylene, fiber polyester) abubuwan tace raga (bakin karfe raga) da kashi tace tazarar layi.Nau'in tace mai mai hydraulic ya dace da tace mai ƙarfi acid, alkali mai ƙarfi da sauran ƙarfi.Membran matattarar matattara mai zurfi mai ninke, wanda ke da babban yanki mai tacewa, ƙarancin matsa lamba, ƙarfin riƙe datti mai ƙarfi da tsawon sabis.Akwai samfura daban-daban da ƙayyadaddun bayanai don zaɓar daga.
Lokacin aikawa: Maris 17-2022