Kev tsom xam Cov Ntsiab Lus Qhia hauv Titanium Flange Processing Technology

Titanium flanges, featuring low density, high strength, and excellent corrosion resistance, are key components in high-end equipment fields such as chemical industry, marine engineering, aerospace, and nuclear power. Lawv cov txheej txheem raug txwv los ntawm cov khoom siv ntawm titanium alloys, yuav tsum tau kov yeej cov teeb meem kev ua haujlwm nrog rau cov thermal conductivity tsawg, ua haujlwm hnyav, thiab ua rau oxidation thiab paug ntawm qhov kub thiab txias.

 

 

 

1. Lub hauv paus rau kev xaiv cov khoom siv

Ordinary corrosion{0}}resistant scenarios: Qib 1 / Qib 2 ntshiab titanium.

Cov kua qaub muaj zog thiab cov tshuaj chlorine siab: Gr7 palladium-muaj titanium alloy

 

2. Cov qauv thiab kev tshuaj xyuas

Cov khoom siv raw yuav tsum ua raws li cov qauv ASTM B381; Cov ntaub ntawv qhia txog lub cev, tshuaj, thiab cov cuab yeej cuab tam yuav tsum raug txheeb xyuas thaum tuaj txog kom tsis txhob muaj kev cuam tshuam ntawm impurities ntawm kev ua haujlwm.

 

 

1. Lub Hom Phiaj Core

Decontamination thiab tiv thaiv cov pa phem thib ob.

 

2. Cov txheej txheem txheej txheem

Cov cuab yeej sib tsoo / kua qaub tshem tawm cov nplais oxide, cov roj stains, thiab xeb → Cov dej ntshiab huv rau qhov nruab nrab tom qab acid pickling → Surface passivation los tsim cov oxide zaj duab xis tuab thiab txhim khu kev tiv thaiv corrosion.

 

3. Taboos

Tsis txhob siv cov tshuaj chlorine-muaj lossis fluorine- muaj cov tshuaj ntxuav tu; siv cov cuab yeej tshwj xeeb; zam kev sib cuag nrog cov pa roj carbon steel los tiv thaiv cov hlau tsis huv.

 

 

1. Txheej txheem Forging Blank txheej txheem

Core tswj: Forging nyob rau hauv beta theem cheeb tsam ntawm 950-1000℃kom sib npaug plasticity thiab grain refinement.

Ib puag ncig cua sov: Lub tshuab nqus tsev vacuum / siab-purity argon tiv thaiv nrog lub tshuab nqus tsev kom tiv thaiv oxidation thiab hydrogen absorption.

Cov txheej txheem yuav tsum tau: Multi-pass tuag forging ; raws sij hawm tshaj tawm -forging annealing rau kev ntxhov siab.

 

2. Txheej txheem hmoov hlau metallurgy

Pain point solved: Chaw nyob tus nqi siv tsawg ntawm cov tsoos forging.

Raw khoom tsis: Titanium hmoov nrog cov pa oxygen ntawm 500-1000ppm.

Txheej txheem khiav: Txias isostatic nias (CIP) molding

Cov txheej txheem zoo: Kev siv cov khoom siv nce ntxiv yam tsis tas yuav tsum tau tho; muaj feem xyuam rau flanges.

 

 

1. Cov cuab yeej txiav thiab txiav txiav

Cov cuab yeej xaiv: Siv cov carbide lossis pob zeb diamond-coated cov cuab yeej tshwj xeeb nrog cov npoo ntse kom txo tau qhov ua haujlwm tawv.

Txiav Parameters:

Tig: Ceev 20-5m / min, pub 0.1-0.2mm / r, qhov tob ntawm txiav 2-5mm

Milling: Txheej txiav nrog txhua txheej qhov tob Tsawg dua lossis sib npaug li 3 hli.

Txias thiab lubrication: Siv tshwj xeeb titanium alloy txiav kua kom txaus txias los tiv thaiv cov cuab yeej adhesion thiab kub kub.

 

2. Machining Precision ntawm Sealing Surfaces

Txuj kev cai: Ua raws li ASME B16.5; Secondary machining yuav tsum tau tom qab vuam kom tshem tawm deformation.

Raised ntsej muag:

Protrusion qhov siab: 1.6mm rau 150/300lb, 6.4mm rau 400lb+.

Roughness: 3.2-6.3μm; txheej txheem 45-55 serrated grooves ib nti.

Ntiv nplhaib hom Joint: Sidewall roughness Tsawg dua los yog sib npaug rau 1.6μm, flatness Tsawg dua los yog sib npaug rau 0.01mm (ultra- precision sib tsoo yuav tsum tau).

Tus nplaig thiab zawj / Txiv neej thiab poj niam: Roughness Tsawg dua lossis sib npaug li 3.2μm; precision positioning yuav tsum tau ua kom haum.

 

 

1. Cov txheej txheem kho cua sov yooj yim

Ib puag ncig yuav tsum tau: Nqus / inert gas tiv thaiv kom tsis txhob oxidation thiab paug.

Pa annealing: hauv qab qhov kub hloov pauv beta, tuav rau 1-3h tom qab cua txias kom tshem tawm cov kev ntxhov siab.

Kev ntxhov siab annealing: muaj feem xyuam rau cov tshuab / welded qhov chaw kom tsis txhob deformation tom ntej.

Kev daws kev laus ntawm alpha-beta titanium alloys: daws cov dej quenching nyob rau sab sauv alpha-beta cheeb tsam, ua raws li kev laus kom sib npaug zog thiab toughness.

 

2. Kev Tswj Xyuas Kev Kho Mob Kub Kub Zoo

Lub qhov cub kub tsis sib xws: nrog qhov sib txawv ntawm thaj chaw cua sov ua haujlwm tsawg dua lossis sib npaug li ± 5 degree.

Lub tshuab nqus tsev tsis muaj: Lub siab nce siab tsawg dua lossis sib npaug ntawm 1.33Pa / h; Lub tshuab nqus tsev kawm ntawv siab dua lossis sib npaug li 2 × 10⁻³Pa saum 750℃lossis siab -purity argon ib feem ntawm kev tiv thaiv siab.

Kev soj ntsuam xyuas: Cov ntsiab lus hydrogen Tsawg dua lossis sib npaug li 0.015% txhawm rau tiv thaiv hydrogen embrittlement; metallographic tsom xam kom paub meej cov qauv zoo ib yam thiab tsis txhob coarse grains thiab ntau oxide txheej.

 

 

1. Cov txheej txheem kho deg

Lub hom phiaj tseem ceeb: Sib npaug corrosion kuj thiab zoo li; Qhov chaw kho mob yuav tsum tsis muaj khawb, pitting, paug, thiab lwm yam tsis xws luag.

Cov txheej txheem yooj yim:

Sandblasting: Tshem tawm burrs thiab oxide nplai; nto roughness Ra tsawg dua los yog sib npaug rau 1.6μm los txhim kho txheej adhesion.

Acid pickling thiab passivation: Optimize oxide zaj duab xis kev ua tau zoo thiab txhim kho corrosion kuj, haum rau tshuaj thiab marine scenarios.

Cov txheej txheem ua haujlwm tshwj xeeb: Anodic oxidation lossis palladium plating txhawm rau txhim kho kev tawm tsam huab cua.

 

2. Tag nrho -Txoj Kev Tshuaj Xyuas Zoo

Dimensional soj ntsuam: Txheeb xyuas cov kab uas hla, puab txoj kab uas hla, thickness, ntsia liaj qhov rooj qhov chaw, thiab lwm yam., raws li ASTM B381, nrog kam rau ua tswj ntawm IT7 qib.

 

Mechanical zog: Sampling soj ntsuam ntawm tensile lub zog, yield zog, thiab elongation.

Tsis yog-kev kuaj kev puas tsuaj: Ultrasonic kuaj rau qhov tsis xws luag sab hauv thiab kev ntsuas nkag rau qhov tawg; precision ntsuas qhov ntev thiab roughness rau RTJ grooves.Corrosion kev ua tau zoo: Tshawb xyuas los ntawm ntsev tsuag los yog nruab nrab immersion xeem kom tau raws li qhov yuav tsum tau ua haujlwm.

 

Baoji Ruihang, ua ib lub chaw tsim khoom ntawm titanium thiab titanium alloy khoom, muab siab -kev txhawb nqa zoo rau cov neeg siv khoom, suav nrog titanium

flanges, pas nrig, daim hlau, hlau thiab forgings. Yog xav paub ntxiv txog cov khoom, thov hu rau peb ntawm Email:Sam.Rui@bjrh-titanium.com