Qib 2 Titanium Tube dabtsi yog khoov

 

Qib 2 titanium raj dabtsi yog khoov yog qhov siab - cov txheej txheem ua cov yas yas uas yuav tsum tau ua tib zoo tswj cov springback, hla -sectional deformation, thiab kev pheej hmoo ntawm kev tawg; nws yog feem ntau siv nyob rau hauv high -kawg manufacturing sectors xws li aerospace thiab tob- khoom siv hiav txwv.

Thaum khoov titanium raj, qhov tsawg kawg nkaus khoov vojvoog yuav tsum tau pom; txwv tsis pub, sab nrauv phab ntsa yuav tawg los yog cov phab ntsa sab hauv yuav wrinkle. Nyob ntawm cov raj specifications, qhov tsawg kawg nkaus khoov vojvoog yog feem ntau 1.2 mus rau 3.2 npaug ntawm sab kab ntawm lub raj.

titanium alloys muaj qhov siab dua springback dua stainless hlau, feem ntau yog li ntawm 5℃mus rau 15 degree, los yog siab dua. Txhawm rau them nyiaj rau lub caij nplooj ntoo hlav, qhov nyiaj pub dawb yuav tsum tau muab tso rau hauv cov txheej txheem tsim; CNC dabtsi yog khoov tshuab feem ntau ua cov nyiaj them rov qab rau kev xam txiav tawm. Cov cua kub rau qhov kub siab tshaj 300℃tuaj yeem txo cov springback hauv cov titanium ntshiab, thaum kub siab tshaj 500℃tuaj yeem tshem tawm cov springback hauv titanium alloy los xij.

 

 

Titanium (GR1 / GR2 ntshiab titanium, GR5, thiab lwm yam + alloys) muaj ib tug modulus ntawm elasticity uas tsuas yog ib nrab ntawm cov hlau, nrog ib tug springback tus nqi ntawm 10% -15% (tseem ceeb tshaj li hlau); nws pom tias tsis tshua muaj plasticity nyob rau hauv chav tsev kub, ua hauj lwm ceev ceev, thiab ib tug nyiam mus rau nkig tawg; saum toj no 400 degree, nws nkag tau yooj yim absorbs hydrogen, oxygen, thiab nitrogen, ua rau nto oxidation thiab embrittlement, raws li zoo raws li ib tug poob ntawm txhua yam khoom.

Qhov tseem ceeb deformation txaus ntshai: Tensile kev nyuaj siab ntawm sab nrauv → thinning / tawg; compressive kev nyuaj siab rau sab hauv → thickening / wrinkling; poob ntawm ncig hla -section → ovalization / flattening

Yam tsawg kawg nkaus dabtsi yog khoov vojvoog (R): Txias dabtsi yog khoov ntawm ntshiab titanium: R Ntau tshaj los yog sib npaug rau 3d (d=sab nraud); Gr5: R Ntau dua lossis sib npaug rau 3.5d; kub dabtsi yog khoov tuaj yeem txo tau rau R Ntau dua lossis sib npaug rau 1.5-2d; nyias- ntu phab ntsa (t/d < 0.08) yuav tsum tau sau los yog sab hauv braced, txwv tsis pub wrinkling yog inevitable

Springback them nyiaj: Txias dabtsi yog khoov yuav tsum tau ua ntej - teem caij nplooj ntoos hlav lub kaum sab xis ntawm **3℃-8℃**; kub dabtsi yog khoov springback Tsawg dua lossis sib npaug li 1 degree, yuav tsum tau them nyiaj tsawg.

 

 

1. Txias Khoov Txheej Txheem (Chav Kub rau 150 degree)

Cov xwm txheej siv tau: Nyias- cov raj phab ntsa (δ/D < 3%), me me bending radii (R/D Ntau dua lossis sib npaug li 2), ntshiab titanium lossis qis- alloy titanium raj

Cov Ntsiab Lus Tseem Ceeb:

Kev xaiv Mandrel: Siv ntau- pob- sib koom mandrels lossis saw - hom mandrels los txhawb sab hauv thiab tiv thaiv oval deformation

Tuag Tsim: Khoov tuag zawj lub vojvoog=Lub hom phiaj vojvoog - Springback nyiaj pub dawb (feem ntau 5–15%)

Lubrication: Molybdenum disulfide-raws li lubricant lossis Teflon txheej kom txo cov coefficient ntawm kev sib txhuam mus rau 0.05–0.1

Kev Tswj Ceev: Pub tus nqi Tsawg dua lossis sib npaug li 5 mm / s txhawm rau tiv thaiv kev laus ntawm kev laus

2. Kub- txheej txheem dabtsi yog khoov (nruab nrab-Tub kub sib sau)

Qhov kub thiab txias: 200-400℃(hauv qab lub recrystallization kub ntawm titanium)

Qhov zoo:

Txo yield zog los ntawm 30-40%

Qhov tseem ceeb txo lub caij nplooj ntoos hlav rov qab (tuaj yeem tswj tau li ntawm 2 degree)

Txhim kho phab ntsa thickness uniformity

3. Kub dabtsi yog khoov txheej txheem (High-Tub kub sib sau)

Qhov kub thiab txias: 600-800℃(sab saum toj ntawm recrystallization kub)

Daim ntawv thov: Thick-cov hlab ntsa, me- vojvoog khoov (R/D < 2), txoj kab sib chaws khoov

Ntsiab tswj:

Kev tiv thaiv huab cua: Argon lossis helium tiv thaiv thoob plaws hauv cov txheej txheem, dew point < -40 degree

Qhov kub thiab txias tsis sib xws: Tsis pub dhau ± 15℃los tiv thaiv cov cua sov hauv zos

Deformation tus nqi: 0.01-0.1 m / s kom tsis txhob grain coarsening nyob rau hauv lub superplasticity cheeb tsam

4. Cov txheej txheem tsim tshwj xeeb

CNC Tube dabtsi yog khoov

Kev sib koom ua ke - rub dabtsi yog khoov: Lub xovxwm tuag muab lub zog ntxiv los tiv thaiv cov khoom ntws tawm tsam

Tiag -lub sij hawm them nyiaj: Laser ntsuas ntawm springback yog siv los kho qhov khoov lub kaum sab xis

Multi-axis kev sib koom ua ke: Ua kom muaj kev sib txuas txuas ntxiv nrog kev sib txawv ntawm curvature

 

 

1. Dimensions: Khoov vojvoog R ± 5%, lub kaum sab xis ± 1 degree, ovality Tsawg dua lossis sib npaug li 5% ntawm txoj kab uas hla sab nraud, phab ntsa thickness txo qis dua lossis sib npaug li 12% (Sab nrauv)
2. Nto: Tsis muaj kab nrib pleb, khawb, khawb, thiab nplai; ci tom qab acid pickling
3. Cov khoom siv: Cov khoom siv kho tshuab ntawm qhov khoov Ntau dua lossis sib npaug li 90% ntawm cov khoom siv hauv paus; tsis muaj kev puas tsuaj sab hauv raws li kev txiav txim los ntawm tsis yog -kev kuaj kev puas tsuaj (PT/UT)
4. Cov Qauv: ASTM B338, AMS 4942

 

 

1. Aerospace

Cav piping: Gr5 titanium tubing, φ6–25 mm, R/D=2–3, yuav tsum ua raws li AMS 4928 tus qauv

Hydraulic systems: Txias- khoov, yuav tsum tau ib lub phab ntsa roughness ntawm Ra tsawg dua los yog sib npaug rau 0.8 μm

2. Cov khoom siv tshuaj ua haujlwm

Thaum tshav kub kub Exchanger Coils: Gr2 titanium tubing, nruam kauv dabtsi yog khoov, yuav tsum tau mus kuaj kev nyuaj siab corrosion

Reactor Internal Coils: Kub dabtsi yog khoov + tshuaj annealing, kom tshem tawm cov kev ntxhov siab seem

3. Cov khoom siv kho mob

Orthopedic Implants: Ti-6Al-4V ELI, khoov rau hauv ib puag ncig huv huv, nto tsis muaj paug

Surgical Instrument Handles: Precision me -radius dabtsi yog khoov, yuav tsum tau kuaj xyuas biocompatibility

 

 

 

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