Qhov cuam tshuam ntawm Vuam Lub Sijhawm ntawm Kev Ua Haujlwm Zoo hauv Nruab Nrab Zaus Direct Tam Sim No Welding

Nruab nrab zaus ncaj qha tam sim no qhov chaw vuam yog cov txheej txheem siv dav hauv ntau yam lag luam, xws li tsheb, aerospace, thiab hluav taws xob, rau kev koom nrog cov khoom siv hlau. Qhov zoo ntawm cov pob qij txha welded plays lub luag haujlwm tseem ceeb hauv kev txiav txim siab tag nrho kev ua tau zoo thiab kev ua haujlwm ntev ntawm cov khoom kawg. Ib qho kev ntsuas tseem ceeb uas cuam tshuam rau qhov zoo ntawm cov welds yog lub sijhawm vuam.

Vuam lub sij hawm, nyob rau hauv cov ntsiab lus ntawm nruab nrab zaus direct tam sim no qhov chaw welding, hais txog lub sij hawm uas ob hlau Cheebtsam raug rau vuam tam sim no. Lub sijhawm no tuaj yeem nyob ntawm feem ntawm ib ob mus rau ob peb vib nas this, nyob ntawm cov khoom siv, tuab, thiab daim ntawv thov vuam tshwj xeeb. Kev xaiv ntawm lub sijhawm vuam tuaj yeem ua rau muaj kev cuam tshuam loj heev rau qhov ua tau zoo ntawm cov vuam zoo, thiab kev nkag siab txog qhov kev sib raug zoo no yog qhov tseem ceeb rau kev ua tiav cov welds zoo ib yam thiab txhim khu kev qha.

Lub hauv paus tseem ceeb los ntawm kev siv lub sijhawm vuam cuam tshuam rau qhov zoo ntawm vuam yog:

1. Thaum tshav kub kub input:Lub sij hawm welding ntev ua rau muaj cua sov nkag mus rau thaj tsam weld. Cov cua sov ntxiv no tuaj yeem ua rau cov khoom muag ntau dhau, cuam tshuam rau cov khoom siv kho tshuab ntawm kev sib koom tes.
2. Qhov tob tob:Lub sijhawm vuam cuam tshuam rau qhov tob uas qhov vuam tam sim no nkag mus rau cov khoom siv. Qhov sib npaug yuav tsum raug ntaus kom ntseeg tau tias qhov tam sim no nkag mus rau qhov sib koom ua ke yam tsis muaj kev kub hnyiab ntau dhau los lossis tsis txaus nkag mus.
3. Residual Stress:Lub sij hawm vuam ntev ntev tuaj yeem ua rau muaj kev ntxhov siab ntau dua nyob rau hauv qhov chaw vuam, uas tuaj yeem ua rau muaj teeb meem xws li kev sib txawv, tawg, thiab txo kev qaug zog.
4. Microstructure:Lub sijhawm vuam kuj tseem ua lub luag haujlwm hauv kev txiav txim siab microstructure ntawm vuam. Lub sijhawm vuam ntev dua tuaj yeem ua rau coarser grain cov qauv, uas cuam tshuam rau cov khoom siv kho tshuab ntawm kev sib koom ua ke.

Txhawm rau txhawm rau txhim kho qhov zoo ntawm qhov nruab nrab zaus ncaj qha tam sim no qhov chaw vuam, nws yog ib qho tseem ceeb uas yuav tsum tau ua kom tiav kev sim thiab kev sim los txiav txim siab lub sijhawm vuam zoo tshaj plaws rau ib daim ntawv thov tshwj xeeb. Qhov no feem ntau suav nrog qhov sib npaug ntawm kev ua tiav qhov kev nkag mus zoo thiab tswj xyuas cov khoom xav tau ntawm kev sib koom ua ke.

Hauv kev xaus, lub sijhawm vuam yog qhov tseem ceeb ntawm qhov sib txawv ntawm qhov nruab nrab zaus ncaj qha tam sim no qhov chaw vuam, thiab nws cuam tshuam qhov zoo ntawm cov welds. Ua tib zoo xav txog lub sijhawm vuam, nrog rau lwm yam txheej txheem, yog qhov tseem ceeb kom ua tiav cov khoom zoo, txhim khu kev qha welds nyob rau hauv ntau hom kev lag luam. Kev tswj kom zoo thiab kev nkag siab ntawm lub sijhawm vuam tuaj yeem ua rau cov khoom ua tau zoo dua qub, ua haujlwm ntev, thiab kev nyab xeeb.