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Alaabta
barroosinno 7-qaabeeya (bolal barroosin oo 7-qaab ah)
Barroosinka 7-qaabeeya ayaa loo magacaabay sababta oo ah hal daraf ee boolka ayaa u soo laalaabtay qaab “7”. Waa mid ka mid ah noocyada aasaasiga ah ee boolal barroosinka. Qaab dhismeedkeeda waxaa ka mid ah jir ul dun leh iyo jillaab L-qaabeeya. Qaybta jillaabtu waxay ku duugan tahay aasaaska la taaban karo waxayna ku xiran tahay qalabka ama qaab dhismeedka birta iyada oo loo marayo lowska si loo gaaro hagaajin xasilloon.
Sharaxaada
calaamadeeye
Qeexida alaabta iyo qaab dhismeedka
Barroosinka 7-qaabeeya ayaa loo magacaabay sababta oo ah hal daraf oo boolku waxa uu u foorarsaday qaab "7". Waa mid ka mid ah noocyada aasaasiga ah ee boolal barroosinka. Qaab dhismeedkeeda waxaa ka mid ah jir ul dun leh iyo jillaab L-qaabeeya. Qaybta jillaabtu waxay ku duugan tahay aasaaska la taaban karo waxayna ku xiran tahay qalabka ama qaab dhismeedka birta iyada oo loo marayo lowska si loo gaaro hagaajin xasilloon.
Qalabka muhiimka ah iyo sifooyinka
Qalab: Sida caadiga ah loo isticmaalo Q235 birta caadiga ah ee kaarboonka (xoog dhexdhexaad ah, qiimo jaban), Q345 birta alloy hoose (xoogga sare) ama 40Cr aluminium bir ah (xoog aad u sarreeya), dusha sare ayaa la galvanized karaa (kulul-kulul galvanized ama electro-galvanized) ilaalinta daxalka.
Astaamaha:
- Rakibaadda dabacsan: Naqshadeynta jillaabtu waxay kor u qaadaysaa awoodda haynta ee shubka waxayna ku habboon tahay hagaajinta qalabka yaryar iyo kuwa dhexdhexaadka ah;
- Waxqabadka soo jiidashada: Ka-qaybgalka farsamada ee u dhexeeya jillaabyada iyo shubka ayaa ka hortagaya xoogga kor u qaadista;
- Halbeegista: Waxay u hoggaansamaan heerarka qaranka sida GB/T 799, iyo qeexitaannada waa ikhtiyaari M16 ilaa M56.
Hawlaha iyo xaaladaha lagu dabaqi karo
Hawlaha:
Hagaaji tiirarka qaab dhismeedka birta, saldhigyada laambada waddooyinka, iyo qalabka yar yar ee farsamada;
Qaado culeysyo taagan, sida xargaha dhismooyinka iyo xayeesiinta.
Muuqaal:
Injineerinka degmada (Laambadaha jidadka, calamadaha taraafiggu), warshado qaab dhismeedka birta fudud, iyo qalabka guriga (sida qaboojiyaha qaybta bannaanka ee xidhmooyinka).
Rakibaadda iyo dayactirka
Rakibaadda:
Godad kayd ah oo ku yaal aasaaska shubka ah, geli cagaha 7-qaabeeya iyo kabka;
Ku adkee qalabka lowska oo hagaaji heerka markaad rakibayso.
Dayactirka:
Si joogto ah u hubi cidhiidhiga lawska, iyo lakabka galvanized ee dhaawacan ayaa u baahan in lagu rinjiyeeyo ilaalinta daxalka.
Iibka talooyinka
Dooro agabka si waafaqsan culeyska: Q235 waxay ku habboon tahay muuqaallada caadiga ah, Q345 waxay ku habboon tahay culeysyada sare (sida buundooyinka);
Dhererka jillaabku waa inuu buuxiyaa shuruudaha qoto dheer ee aaska la taaban karo (sida caadiga ah 25 jeer dhexroorka boodhka).
Isbarbardhigga iyo hagaha xulashada saddexda barroosin ee waaweyn
| Nooca | barroosin 7-qaabaysan | barroosinka saxan alxanka | dallada gacanta barroosinka |
| Faa'iidooyinka asaasiga ah | Habayn, qiimo jaban | Awoodda culeyska sarreeya, caabbinta gariirka | Ku-xidhka dabacsan, dhaqaalaha |
| Culays lagu dabaqi karo | 1-5 tan | 5-50 tan | 1-3 tan |
| Xaaladaha caadiga ah | Nalalka waddooyinka, qaababka birta fudud | Buundooyinka, qalab culus | Dhismayaal ku meel gaar ah, mashiino yaryar |
| Habka rakibidda | Ku-xidhka + xidhitaanka lowska | Ku dhejinta + suufka alxanka | Ku-xidhka + xidhitaanka lowska |
| Heerka iska caabbinta daxalka | Electrogalvanizing (caadi ah) | Galvanizing-kulul + rinjiyeyn ( iska caabin daxalka sare leh) | Galvanizing (caadi) |
Soo jeedinta xulashada:
Baahiyaha dhaqaale: Barroosinnada gacanta ee dallada ayaa la door bidaa, iyadoo la tixgelinayo qiimaha iyo shaqada labadaba;
Baahiyaha xasilloonida sare: Barroosinnada saxan welded ayaa ah doorashada koowaad ee qalabka culus;
Xaalado la jaan-qaaday: Barroosinnada 7-qaabeeya waxay ku habboon yihiin badi baahiyaha hagaajinta caadiga ah.
nala soo xidhiidh
Alaabooyinka caanka ah ee la xidhiidha
Dunta laydhka iskutallaabta ee iskutallaabta ka samaysan ee zinc-plated
Dhumucda midabka zinc passivation film waa 8-15μm, tijaabada buufinta milixdu waa in ka badan 72 saacadood, muuqaalkuna waa midab qaanso roobaad. Marka trivalent chromium passivation la isticmaalo, waxqabadka ilaalinta deegaanku waa mid aad u wanaagsan.
Gacashiyada zinc-plated midabka leh
Gacks-ku dahaadhay zinc-midabaysan ayaa lagu saleeyaa koronto-galvanization si ay u sameeyaan filim passivation midab leh qaanso roobaad (oo ka kooban chromium trivalent ama chromium hexavalent) oo dhumucdiisuna tahay filim qiyaastii 0.5-1μm. Wax qabadkeeda ka-hortagga daxalka ayaa si weyn uga wanaagsan electrogalvanizing caadiga ah, iyo midabka dusha sare waa dhalaalaya, oo leh shaqeyn iyo qurxiyo labadaba.
biinanka elektrogalvanized
GB / T 882-2008 "Pin" heerka, dhexroor magaca 3-100mm, qalabka waxaa ka mid ah birta carbon, ahama, iwm, dhumucdiisuna lakabka electrogalvanized 5-12μm, waafaqsan c1B ama c1A shuruudaha daaweynta ka dib.
Boolal balaarineed oo zinc ah oo midab leh
Habka passivation zinc midabka (c2C) waa la ansixiyay, dhumucdiisuna waxay daahan waa 8-15μm, iyo iska caabbinta daxalka ee tijaabada buufinta cusbo waa in ka badan 72 saacadood, kaas oo uu leeyahay labadaba ka hortagga daxalka iyo qurxinta.
gaasaska galvanized koronto
Gaasaska galvanized korantada ah waa gaasaska ku shuba lakabka zinc dushiisa ee birta kaarboon ama birta daawaha iyadoo loo marayo habka korantada. Dhumucda lakabka zinc badanaa waa 5-15μm. Oogada sare waa caddaan qalin ah ama caddaan buluug ah, waxayna leedahay labadaba hawlaha ka hortagga daxalka iyo qurxinta. Waa mid ka mid ah hababka daaweynta dusha ee inta badan loo isticmaalo beerta warshadaha.
Saxan dhexdaran galvanized-kulul
La mid ah saxan ku-xidhan koronto-galvanized, iyadoo la adeegsanayo Q235 ama Q355 birta kaarboon, dhumucdiisuna waxay tahay 8-50mm birta, dhexroorka bar barroosinka 10-32mm, oo waafaqsan heerka GB/T 700.
Boodhka gaadhiga (madaxa wareega badhkii labajibbaaran bolt)
Madaxa boolka gaadhigu waa wareega-wareeg weyn, qoortuna waa labajibbaaran si looga hortago wareegtada (Heerka GB/T 14). Alaabooyinka caadiga ah waa Q235 ama bir aan lahayn, oo leh galvanized ama madow.
Midabka zinc-plated nuts
Midabada zinc-plated nuts waxaa lagu saleeyaa koronto-galvanization si loo sameeyo filim passivation midab leh qaanso-roobaad (oo ka kooban chromium trivalent ama chromium hexavalent) oo dhumucdiisuna tahay filim qiyaastii 0.5-1μm. Wax qabadkeeda ka-hortagga daxalka ayaa si weyn uga wanaagsan electrogalvanizing caadiga ah, iyo midabka dusha sare waa dhalaalaya, oo leh shaqeyn iyo qurxiyo labadaba.
10.9S boolal weyn oo hexagon ah
10.9S boolal waaweyn oo hexagon ah ayaa ah qaybaha xudunta u ah isku xirka nooca is jiid jiidka-xoog-sare. Waxay ka kooban yihiin boolal, laws, iyo laba-dhaqiyeyaasha (heerka GB/T 1228). Awoodda xajintu waxa ay gaartaa 1000MPa iyo awoodda wax-soo-saarku waa 900MPa. Daawaynta dusha sare waxay qabataa Dacromet ama tignoolajiyada is-dhex-galka alwaax-badan leh, iyo tijaabada buufinta milixdu waxay dhaaftaa 1000 saacadood. Waxay ku habboon tahay bay'ad aad u daran sida badaha iyo heerkulka sare.
Zinc madow ku dhejiyay boolal lix geesood ah
Dhalooyinka laba geesoodka ah ayaa ah kuwa ugu caansan ee leh madaxyo laba geesood ah waxaana lagu isticmaalaa looska (Heerka GB/T 5780). Qalabka caadiga ah waa Q235 ama 35CrMo, oo leh sagxadaha galvanized ama madow.
Boolal koronto galiyay
Tilmaamaha Qaabdhismeedka Taxanaha Swivel Bolt • Qaabdhismeedka Aasaasiga ah: Caadi ahaan waxa uu ka kooban yahay fur, lowska, a...
Zinc midab leh oo iskutallaabta ka samaysan
Madaxa bolt-ka isdhaafka ah ee countersunk waa mid toosan oo si buuxda loogu dhejin karaa dusha sare ee qaybaha ku xiran si loo ilaaliyo muuqaal siman (GB/T 68 heerka). Alaabooyinka caadiga ah waa birta kaarboon, birta aan la taaban karin ama balaastikada injineernimada (sida naylon 66), oo leh midab galvanized ama dabiici ah oo dusha sare ah.
Midab galvanized galvanized silig dalool lix geesood ah
Passivation chromate Rainbow (c2C) oo ku saleysan koronto-galvanizing, dhumucdiisuna waxay tahay 8-15μm, tijaabada buufinta milixda in ka badan 72 saacadood. Marka la isticmaalayo habka bakhtiinta chromium trivalent, waxay u hoggaansantaa dardaaranka ilaalinta deegaanka ee RoHS, iyo waxa ku jira chromium hexavalent waa ≤1000ppm.
boolal madow zinc
Madaxa bolt flange wuxuu leeyahay flange wareegsan si uu u kordhiyo aagga xidhiidhka iyo kala firdhiso cadaadiska (standard GB/T 5787, GB/T 5789). Tilmaamaha guud ee M6-M30, walxaha Q235 ama 35CrMo, dusha sare ee galvanized ama madow.
Dunta laydhka iskutallaabta ee korontada ku shaqeeya
Madaxu waa naqshad isugeyn ah oo isdhaafsan, kaas oo lagu qarin karo dusha rakibidda si dusha sare loogu sii hayo. Dhexroorka daloosha waxa uu u dhigma dhexroorka dunta (sida ST4.2 dhexroorka bit 4.2mm), kaas oo waafaqsan heerka GB/T 15856.1-2002.
Cidiyaha alxanka
Astaamaha alxanka waa xargaha alxanka madaxa ee silindricalka ah oo lagu dhejiyay walxaha waalidka iyadoo la adeegsanayo alxanka stud arc (standard GB/T 10433), oo ka samaysan SWRCH15A ama ML15, oo leh awood adag ≥400MPa waxayna dhalisaa xoog ≥320MPa.
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