Qhov kev ntxhov siab yog ib theem tseem ceeb hauv cov txheej txheem ntawm cov txiv ntoo qhov chaw vuam, koom nrog cov deformation thiab koom nrog cov ntaub ntawv. Kab lus no delves rau hauv lub tswv yim ntawm qhov kev ntxhov siab nyob rau hauv cov txiv ntoo qhov chaw vuam, qhia txog nws qhov tseem ceeb, cov kauj ruam, thiab cov teebmeem ntawm qhov zoo ntawm qhov vuam.
- Defining the Upsetting Stage: The upsetting stage is a pivotal phase in nut spot welding where pressure is apply to the workpieces through the electrodes, ua rau localized deformation. Qhov deformation no ua rau kev tsim cov welded sib koom ua ke los ntawm kev txhawb cov khoom ntws thiab kev sib txuam.
- Qhov tseem ceeb ntawm theem kev ntxhov siab: theem kev ntxhov siab ua haujlwm rau ntau lub hom phiaj tseem ceeb hauv cov txiv ntoo welding:
- Nugget Formation: Cov khoom siv hluav taws xob ua rau lub zog deformation tshwm sim hauv kev tsim ntawm thaj chaw fused hu ua nugget.
- Joint Strength: Ua kom raug kev ntxhov siab ua kom muaj kev sib raug zoo ntawm cov khoom siv hlau ua haujlwm, pab txhawb kev sib koom ua ke.
- Material Interlocking: Cov khoom sib xyaw ntawm qhov sib txuas ua kom muaj kev sib txuas ntawm cov khoom siv ua haujlwm.
- Thaum tshav kub kub Generation: Lub siab thiab kev sib txhuam generated thaum lub sij hawm chim siab ua rau lub zos kub, pab nyob rau hauv lub fusion txheej txheem.
- Cov kauj ruam nyob rau theem siab: a. Electrode Placement: Cov electrodes tau muab tso rau ntawm qhov chaw ua haujlwm, ua kom muaj kev sib raug zoo thiab kev sib cuag. b. Kev Siv Siab: Ib qho kev tswj thiab kev quab yuam yog siv los ntawm cov electrodes mus rau workpieces, inducing khoom deformation. c. Deformation thiab Material Flow: Lub siab thov ua rau cov ntaub ntawv deform, ntws, thiab sib xyaw ntawm qhov sib txuas. d. Nugget Tsim: Raws li deformation zuj zus, cov khoom ntawm lub interface hloov mus rau hauv ib qho nugget, tsim ib qho kev sib koom ua ke.
- Qhov cuam tshuam ntawm Weld Quality: Qhov ua tau zoo ntawm qhov kev ntxhov siab ncaj qha cuam tshuam rau qhov zoo ntawm vuam:
- Daim ntawv thov siab zoo ua rau cov khoom txaus txaus, txhawb nqa suab nrov nrov.
- Kev tsis txaus siab tuaj yeem ua rau cov khoom siv tsis txaus sib xyaw thiab kev sib koom ua ke tsis muaj zog.
- Lub siab ntau dhau tuaj yeem ua rau cov khoom raug tshem tawm, qhov chaw tsis zoo, lossis kev puas tsuaj electrode.
Qhov kev ntxhov siab nyob rau hauv cov txiv ntoo qhov chaw vuam yog ib qho tseem ceeb kauj ruam uas pab txhawb cov khoom deformation, intermixing, thiab tsim kom muaj kev sib koom ua ke welded. Los ntawm kev nkag siab txog nws qhov tseem ceeb thiab ua tiav cov kauj ruam tsim nyog kom raug, cov tuam ntxhab tuaj yeem ua kom muaj kev sib koom ua ke muaj zog, ruaj khov, thiab txhim khu kev qha hauv ntau daim ntawv thov. Kev sib raug zoo electrode, tswj kev siv siab, thiab kev saib xyuas zoo ua rau kom ua tiav cov txiaj ntsig zoo thaum lub sijhawm ntxhov siab.
Post lub sij hawm: Aug-08-2023
