Zinthu Zitatu Zofunika Pakuwotcherera Spot Resistance

Resistance spot welding ndi njira yolumikizirana yomwe imagwiritsidwa ntchito kwambiri popanga, yomwe imadziwika chifukwa chakuchita bwino komanso kudalirika. Kuti tipeze ma welds opambana, zinthu zitatu zazikulu zimagwira ntchito yofunika kwambiri pakuchita izi: zamakono, nthawi, ndi kukakamizidwa.

1. Panopa: Chinthu choyamba, panopa, chimatanthawuza mphamvu yamagetsi yomwe imaperekedwa ku ntchito yowotcherera. Powotcherera malo okana, ma elekitirodi awiri amamangiriza zidazo pamodzi, ndipo mphamvu yamagetsi yayikulu imadutsamo. Izi zimapanga kutentha chifukwa cha kukana kwa magetsi kwa zipangizo zomwe zimagwirizanitsidwa. Kuchuluka kwa zomwe zimagwiritsidwa ntchito panopa ziyenera kuyang'aniridwa mosamala, chifukwa zimakhudza mwachindunji kutentha kwa malo otsekemera. Kuchulukirachulukira kungabweretse kutenthedwa ndi kuwonongeka, pomwe kucheperako kungayambitse ma welds osakwanira.
2. Nthawi: Chinthu chachiwiri chovuta kwambiri ndi nthawi, yomwe imagwirizana ndi nthawi yomwe ikuyenda pakalipano kudzera muzogwiritsira ntchito. Nthawi yomwe ikugwiritsidwa ntchito panopa imatsimikizira kuchuluka kwa kutentha komwe kumapangidwa ndipo, chifukwa chake, kuya kwa weld. Kugwiritsa ntchito nthawi yake bwino kumapangitsa kuti zinthuzo zisungunuke ndikulumikizana bwino. Kukhalitsa kochepa kwambiri kungayambitse ma welds ofooka, pamene nthawi yochuluka ingayambitse kutentha kwakukulu ndi kuwonongeka kwa zipangizo.
3. Kupanikizika: Pomaliza, kukakamiza ndi mphamvu yomwe imagwiritsidwa ntchito kuzinthu zogwirira ntchito pakuwotcherera. Kupanikizika ndikofunikira kuti mutsimikizire kulumikizana kwapamtima pakati pa zida zomwe zikulumikizidwa. Kuthamanga koyenera kumathandiza kuchotsa zonyansa ndi ma oxides kuchokera kumalo owotcherera, zomwe zimapangitsa kuti pakhale weld yoyera komanso yolimba. Kupanikizika kosakwanira kumatha kupangitsa kuti weld asamayende bwino, pomwe kupanikizika kwambiri kungayambitse kupindika kapena kung'ambika kwa zida zogwirira ntchito.

Pomaliza, resistance spot kuwotcherera kumadalira kuwongolera mosamalitsa kwapano, nthawi, ndi kukakamizidwa kuti apange zolumikizana zolimba komanso zodalirika. Zinthu zitatuzi ziyenera kusanjidwa ndendende kuti zigwirizane ndi zida ndi makulidwe omwe akuwotcherera. Ikagwiritsidwa ntchito moyenera, kuwotcherera pamalo oletsa kumapereka njira yabwino komanso yothandiza yolumikizira zitsulo zosiyanasiyana, zomwe zimapangitsa kuti ikhale yofunika kwambiri pakupangira zamakono.