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balaadhinta

Sharaxaad Gaaban:

Darajooyinka boolal ballaarinta waxaa loo qaybiyaa 45, 50, 60, 70 iyo 80. Maaddada waxaa inta badan loo qaybiyaa austenite A1, A2, A4;Martensite iyo ferrite C1, C2, C4;Matelaadkeeda, tusaale ahaan A2-70;

Qalabka Bolt ee sida caadiga ah loo isticmaalo: Q215, Q235, 25 iyo 45 birta, oo loogu talagalay qaybaha muhiimka ah ama ujeedo gaar ah oo isku xiran, waxay dooran karaan 15cr, 20cr, 40cr, 15MnVB, 30CrMrSi iyo birta kale ee aluminiumka ah ee leh sifooyin farsamo sare leh.


Faahfaahinta Alaabta

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ballaarinta-bolt-12 ballaarinta-bolt-13 ballaarinta-bolt-14 ballaarinta-bolt-15

Boodhka balaadhinta waa xidhiidhiye duneed oo gaar ah oo loo isticmaalo in lagu hagaajiyo taageerada tuubada/qaadida/ladhka ama qalabka gidaarka, sagxada ama tiirka.Darajooyinka birta kaarboonka waxay u qaybsan yihiin 3.6,4.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9 iyo kuwa kale oo ka badan 10. Tirada ka hor iyo ka dib dhibic jajab tobanle siday u kala horreeyaan waxay muujinayaan xoogga jilicsanaanta magaca iyo saamiga dhalidda ee alaabta bolt, tusaale ahaan: calaamadaynta 8.8 boolal waxay muujinaysaa in xoogga xajin ee maaddadu ay gaadho 800MPa, iyo xoogga wax-soo-saarku waa 0.8, taas oo ah, awoodeeda wax-soo-saarku waxay gaartaa 800×0.8=640MPa.

Qalabka:

Darajooyinka boolal ballaarinta waxaa loo qaybiyaa 45, 50, 60, 70 iyo 80. Qalabka waxaa inta badan loo qaybiyaa austenite A1, A2, A4; Martensite iyo ferrite C1, C2, C4; matalaaddeeda, tusaale ahaan A2-70;"- "ka hor iyo ka dib waxay tilmaamaysaa alaabta bolt iyo heerka xoogga siday u kala horreeyaan. iyo sifooyin kale oo farsamo oo sare oo birta daawaha ah.(2) culayska la ogolyahay culayska la ogolyahay ee xidhiidhka duntu waxa uu la xidhiidhaa dabeecada culayska (static, variable load), in xidhiidhka la adkeeyo, in horudhaca u baahan yahay in la xakameeyo, iyo in kale maaddada iyo cabbirka qaabdhismeedka isku xirka dunta.

nooc:

Fasalka boolal bir ahama waxaa loo qaybiyaa 45, 50, 60, 70, 80, maaddada waxaa inta badan loo qaybiyaa austenite A1, A2, A4, martensite iyo ferrite C1, C2, C4, habka muujinta sida A2-70. "Hal" ka hor iyo ka dib siday u kala horreeyaan u muuji walxaha boodhka ah iyo heerka xoogga.

wuxuu ka kooban yahay: Bool balaadhintu wuxuu ka kooban yahay bolt countersunk, tubbada ballaarinta, weel fidsan, dhaqaha guga, iyo lowska hex.

Marka la isticmaalo, waxaa lagama maarmaan ah in la qodo godka cabbirka u dhigma ee jirka go'an oo leh saameyn saameyn leh (dube), ka dibna ku rid boodhka iyo tuubada ballaarinta godka, oo adkee lowska si aad u sameysid boodhka, tuubada ballaarinta. , Qaybta rakibaadda iyo jidhka go'an ayaa si adag u balaadhinaya mid. Ka dib markii la adkeeyo ayaa balaadhin doona, dabada boolku waxay leedahay madax weyn, bolt ka baxsan ayaa dhigay wax yar ka weyn dhexroorka tuubada wareega wareega, qaybta dabada waxay leedahay dhowr furin, marka bolt waa la adkeeyey, dabada madaxa weyn waxaa loo qaadi doonaa furitaanka tuubada gudaha, tuubada weyn, si loo gaaro ujeeddada ballaarinta, ka dibna bolt lagu dhejiyo dhulka ama derbiga, si loo gaaro ujeedada xidid. .

Heerka waxqabadka 4.6 boolal ballaarinta, macnaha: 1, xoogga jilicsanaanta magaca ah ee walxaha balaarintu waxay gaareysaa heerka 400MPa;2.Saamiga dabacsanaan ee walxaha balaarintu waa 0.6;3, awoodda wax-soo-saarka magac-u-soo-saarka walxaha balaadhinta waa 400 × 0.6 = 240MPa Macnaha heerka waxqabadka ee bolt ballaarinta waa halbeeg caalami ah, isla heer wax qabad oo isku mid ah , iyadoon loo eegin farqiga u dhexeeya walxaha iyo asalka, waxqabadkiisu waa isku mid, naqshadeynta waxay dooran kartaa oo kaliya heerka waxqabadka.

Arrimaha u baahan feejignaan:

1, qoto dheer oo feerka: qoto dheer ee dhismaha gaarka ah ayaa ka fiican dhererka tuubada ballaarinta ee ku saabsan 5 mm.Ilaa inta ay ka weyn tahay ama le'eg tahay dhererka tuubada ballaarinta, dhererka ballaadhinta gudaha gudaha ee ku haray dhulka waxay la mid tahay ama ka yar tahay dhererka tuubada ballaarinta.2, shuruudaha xirmooyinka balaadhinta gudaha dhulka, dabcan, way sii adkaanaysaa, waxay sidoo kale ku xiran tahay xoogga shayga aad u baahan tahay inaad hagaajiso.Xoogga xoogga lagu rakibay shubka (C13-15) ayaa shan jeer ka badan inta ku jirta jirka lebenka.3.Ka dib markii si sax ah loo rakibo M6/8/10/12 balaarin gudaha ah oo la taaban karo, xooggeeda ugu sarreeya waa 120/170/320/510 kg siday u kala horreeyaan.Habka rakibaadda ee boodhka ballaarinta gudaha ma aha mid aad u adag, hawlgalka gaarka ah waa sida soo socota;Marka hore dooro biibiile daloolin ah oo leh dhexroor isku mid ah giraanta ballaarinta (tube) ee furaha ballaadhinta, ku dheji laydhka korantada ka dibna samee qodista derbiga, qoto dheer ee daloolka ayaa ugu fiican oo la mid ah dhererka boodhka. , ka dibna xirmada fur-ballaadhinta hoos u dhig godka, xusuusnow;Ha ka daalin furka, si looga hortago in daloolku qodo waa qoto dheer marka boolku ku dhacay godka oo aan wanaagsanayn in laga soo saaro.Kadibna fur furka ku xidh 2-3 xajin ka dib markaad dareento in balaadhinta gudaha ay adag tahay laakiin aan debecsanayn ka dibna ka fur furka furka.


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