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    Dhuumaha Tolmada Spiral Spiral Tayada Sare

    Tuubbada Tolmada Spiral ee Tayada Sare leh Sawirka
    • Dhuumaha Tolmada Spiral Spiral Tayada Sare

    Sharaxaad Gaaban:

    Tuubbadayada tollaynta ee tayada sare leh waxay ku habboon tahay codsiyada kala duwan, oo ay ku jiraan dhismaha, saliidda iyo gaasta, iyo gaadiidka badda. Awoodeeda sare iyo adkeysigeeda, waxaa loogu talagalay in ay u adkeyso cadaadiska oo ay iska caabiso daxalka, taas oo ka dhigaysa xal waara oo loogu talagalay baahidaada tuubooyinka.


    Faahfaahinta Alaabta

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    Soo bandhigida tubbadayada spiral-tolleen oo tayo sare leh, wax soo saar leh xoog, adkeysi iyo injineernimo sax ah. Waxaa la sameeyay iyadoo la adeegsanayo habka alxanka wareega ee horumarsan, tuubooyinkeena waxaa laga soo saaraa gariiradaha birta ah ee kulul oo si taxadar leh loo sameeyay qaab cylindrical ah oo lagu alxanayo dhinaca tolka wareega. Farsamadan wax soo saarka ee cusubi ma aha oo kaliya in ay kor u qaaddo sharafta qaab dhismeedka tuubooyinka, laakiin sidoo kale waxay hubisaa inay u adkeysan karaan codsiyada ugu baahida badan.

    Shirkaddayada, waxaanu ku faanaa nafteena sida ay uga go'an tahay qancinta macaamiisha. Muddo sanado ah, waxaan dhisnay sumcad heer sare ah anagoo kala hormarinayna baahida macaamiisheena marxalad kasta oo habka wax iibsiga ah. Laga soo bilaabo la talinta iibka ka hor ilaa taageerada iibka iyo adeegyada iibka ka dib oo dhamaystiran, waxaa naga go'an inaan daboolno baahi kasta oo macaamiishayada ah. Habkan udub dhexaad u ah macaamiisha ayaa naga kasbaday kalsoonida iyo daacadnimada macaamiisheena, kuwaas oo had iyo jeer qadariya tayada alaabtayada iyo kalsoonida adeegyadayada.

    Our tayada saretuubada tollayn spiralwaxay ku habboon tahay codsiyada kala duwan, oo ay ku jiraan dhismaha, saliidda iyo gaasta, iyo gaadiidka badda. Awoodeeda sare iyo adkeysigeeda, waxaa loogu talagalay in ay u adkeyso cadaadiska oo ay iska caabiso daxalka, taas oo ka dhigaysa xal waara oo loogu talagalay baahidaada tuubooyinka.

    Tilmaamaha Alaabta

     

    Tilmaamaha ugu Muhiimsan ee Jirka iyo Kiimikada ee Tuubooyinka Birta (GB/T3091-2008, GB/T9711-2011 iyo API Spec 5L)

    		        

    Heerka

    Heerka Birta

    Qaybaha Kiimikada (%)

    Hanti Jilicsan

    Imtixaanka Saamaynta Charpy (V notch).
    c Mn p s Si

    Mid kale

    Xoogga Wax-soosaarka (Mpa)

    Xooga Jilicsan (Mpa)

    (L0=5.65 √ S0) Daqadda fiditaanka （%）
    max max max max max min max min max D ≤ 168.33mm D ＞ 168.3mm

    GB/T3091 -2008

    		 Q215A ≤ 0.15 0.25 | 1.20 0.045 0.050 0.35

    Ku darida NbVTi si waafaqsan GB/T1591-94

    		 215   335   15 > 31  
    Q215B ≤ 0.15 0.25-0.55 0.045 0.045 0.035 215 335 15 > 31
    Q235A ≤ 0.22 0.30 0.65 0.045 0.050 0.035 235 375 15 >26
    Q235B ≤ 0.20 0.30 ≤ 1.80 0.045 0.045 0.035 235 375 15 >26
    Q295A 0.16 0.80-1.50 0.045 0.045 0.55 295 390 13 >23
    Q295B 0.16 0.80-1.50 0.045 0.040 0.55 295 390 13 >23
    Q345A 0.20 1.00-1.60 0.045 0.045 0.55 345 510 13 >21
    Q345B 0.20 1.00-1.60 0.045 0.040 0.55 345 510 13 >21

    GB/T9711-2011 (PSL1)

    		 L175 0.21 0.60 0.030 0.030  

    Ikhtiyaar ku dara mid ka mid ah walxaha NbVTi ama isku darka kasta oo iyaga ka mid ah

    		 175   310  

    27

    Hal ama laba ka mid ah tusmada adkaanta ee saamaynta tamarta iyo aagga dhogorta ayaa la dooran karaa. Wixii L555, eeg heerka.
    L210 0.22 0.90 0.030 0.030 210 335

    25
    L245 0.26 1.20 0.030 0.030 245 415

    21
    L290 0.26 1.30 0.030 0.030 290 415

    21
    L320 0.26 1.40 0.030 0.030 320 435

    20
    L360 0.26 1.40 0.030 0.030 360 460

    19
    L390 0.26 1.40 0.030 0.030 390 390

    18
    L415 0.26 1.40 0.030 0.030 415 520

    17
    L450 0.26 1.45 0.030 0.030 450 535

    17
    L485 0.26 1.65 0.030 0.030 485 570

    16

    API 5L (PSL 1)

    		 A25 0.21 0.60 0.030 0.030  

    Heerka B birta, Nb+V ≤ 0.03%; birta ≥ darajada B, ku darida Nb ama V ama isku darka, iyo Nb+V+Ti ≤ 0.15%

    		 172   310  

    (L0=50.8mm) in lagu xisaabiyo si waafaqsan qaacidada soo socota:e=1944·A0 .2/U0

    Midna ama mid ama labadaba tamarta saameynta iyo aagga xiirashada ayaa looga baahan yahay cabbir adag ahaan.
    A 0.22 0.90 0.030 0.030   207 331
    B 0.26 1.20 0.030 0.030   241 414
    X42 0.26 1.30 0.030 0.030   290 414
    X46 0.26 1.40 0.030 0.030   317 434
    X52 0.26 1.40 0.030 0.030   359 455
    X56 0.26 1.40 0.030 0.030   386 490
    X60 0.26 1.40 0.030 0.030   414 517
    X65 0.26 1.45 0.030 0.030   448 531
    X70 0.26 1.65 0.030 0.030   483 565

     

    Faa'iidada Alaabta

    1. Mid ka mid ah faa'iidooyinka ugu muhiimsan ee tuubada tolitaanka spiral waa xooggeeda ugu fiican. Habka alxanka wareega ayaa awood u siinaya alxanka joogtada ah, si kor loogu qaado sharafta qaab dhismeedka tuubada. Tani waxay ka dhigaysaa inay ku habboon yihiin qaadista dareeraha iyo gaaska cadaadiska sare.

    2. Habka wax-soo-saarka ayaa ah mid wax ku ool ah, oo u oggolaanaya in tuubooyinka dhaadheer la soo saaro iyada oo aan loo baahnayn kala-goysyada, taas oo noqon karta dhibco daciif ah.

    3. Faa'iido kale oo muhiim ahdhuumaha tolnimada helicalwaa kala duwanaanshaheeda. Waxaa lagu soo saari karaa noocyo kala duwan oo dhexroor ah iyo dhumucdiisuna waxay u badan tahay codsiyo kala duwan oo ka soo jeeda saliidda iyo gaaska ilaa nidaamyada biyaha.

    4. Shirkadaha soo saara tuubooyinkan waxay mudnaan siiyaan qancinta macaamiisha waxayna bixiyaan adeegyo iib ah oo horudhac ah, xilliga iibka iyo ka dib iibka. Ballanqaadkani wuxuu hubinayaa in macaamiishu ay helaan alaabooyin ku habboon baahiyahooda gaarka ah, taasoo kor u qaadaysa khibradda guud.

    Nuqulka alaabta

    1. Habka alxanka wareega wuxuu noqon karaa mid ka adag hababka alxanka dhaqameed, taas oo keeni karta kharashka wax soo saarka sare.

    2. Iyadoo tubooyinka tollayntu ay xooggan yihiin, waxaa laga yaabaa inay ka adkeysi yaraadaan noocyada daxalka qaarkood marka loo eego qalabka kale ee tuubooyinka waxayna u baahan yihiin dahaar ama daaweyn.

     

    dhuumaha birta wareega ah

     

     

    FAQ

    Q1: Waa maxay tuubbada tollaynta spiral?

    Dhuumaha tolitaanka Spiral waxaa lagu dhisay hab gaar ah oo loo yaqaan habka alxanka wareegsan. Tignoolajiyadan cusubi waxay ku lug leedahay gariiradaha birta ah ee kulul ee duuban oo loo sameeyay qaab cylindrical ah oo lagu tolay tol wareeg ah. Tuubbada keentay ma aha oo kaliya awood sare laakiin sidoo kale waa adkaysi aad u fiican, taas oo ka dhigaysa mid ku habboon codsiyada kala duwan, oo ay ku jiraan gaadiidka saliidda iyo gaaska, sahayda biyaha iyo taageerada qaabdhismeedka.

    Q2: Waa maxay sababta aad u dooranayso tuubada tollayn tayo sare leh?

    Faa'iidada ugu weyn ee tuubooyinka tolitaanka tayada sare leh waa dhismahooda xooggan. Habka alxanka wareega ayaa u oggolaanaya alxanka joogtada ah, kaas oo kor u qaadaya daacadnimada iyo iska caabinta cadaadiska ee tuubada. Intaa waxaa dheer, tuubooyinkan waxaa lagu soo saari karaa cabbirro iyo dhumucyo kala duwan si loo daboolo baahiyaha gaarka ah ee mashaariicda kala duwan.

    Q3: Maxaan ka raadsadaa alaab-qeybiye?

    Markaad dooranayso alaab-qeybiyaha tuubada tolitaanka, waxaa muhiim ah in la doorto shirkad marka hore dhigata qancinta macaamiisha. Raadi alaab-qeybiye bixisa iibka kahor, iibka, iyo adeegyada iibka kadib. Shirkad sumcad leh ayaa hubin doonta in alaabteedu ay buuxiso shuruudaha aasaasiga ah oo ay ku dabooli karto shuruudahaaga gaarka ah, iyadoo hubinaysa inaad hesho alaab iyo adeegyo tayo sare leh oo macaamiishaadu ay qadarin doonaan.

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