Spot kuwotcherera ndi mtundu wa atolankhani kuwotcherera ndi chikhalidwe mtundu wakukana kuwotcherera. Ndi gawo lofunikira pakupanga zitsulo ndipo amagwiritsidwa ntchito m'mafakitale ambiri. Nkhaniyi ifotokoza mfundo ndi njira zogwirira ntchito zowotcherera mwatsatanetsatane kuti zikuthandizeni kumvetsetsa bwino lomwe kuwotcherera kwa malo.

 Kodi Spot Welding N'chiyani?

Spot kuwotcherera ndi njira yolumikizira zitsulo pomwe kukakamiza kumagwiritsidwa ntchito pazitsulo zopangira zitsulo ndi maelekitirodi apamwamba ndi otsika, ndipo mphamvu yamagetsi imatenthetsa kwa nthawi yoikika, zomwe zimapangitsa kuti zitsulo ziwotcherera pamalo olumikizana. Ma elekitirodi nthawi zambiri amapangidwa ndi mkuwa chifukwa cha kuchuluka kwake kwamafuta komanso kutsika kochepa. Pamene panopa akudutsa maelekitirodi ndi zitsulo workpieces, kutentha anaikira pa kukhudzana mfundo, kusungunuka iwo mu pulasitiki boma. Pakali pano imayimitsidwa, koma kukakamiza kumasungidwa, kumangiriza zolumikizana pamodzi. Zowotcherera mawanga ndi zazing'ono, ndipo m'mimba mwake wa malo aliwonse amayambira 3 mpaka 20 mm.

Kodi Spot Welding Imagwira Ntchito Motani?

Timagawaniza njira yowotcherera madontho m'magawo anayi: kukhazikitsa magawo, kuyika zida zogwirira ntchito, kugwiritsa ntchito kukakamiza, ndikudutsa pano.

Kukhazikitsa Parameters

Chofunikira kwambiri pakuwotcherera malo ndikukhazikitsa magawo azowotcherera. Kutentha komwe kumapangidwa powotcherera malo kumatsimikiziridwa ndi magawo atatu: apano, kukana, ndi nthawi. Kugwirizana pakati pa magawo awa kumawonetsedwa ndi equation iyi:

Q = I²Rt

Q = kutentha kopangidwa

I = welding current

R = kukana mu electrode

T = nthawi yomwe ikuyenda

Magawo awa amakhudza wina ndi mnzake ndikuzindikira mtundu wa kuwotcherera. Zamakono zimakhala ndi zotsatira zazikulu; mtengo wake wa squared mu equation umakhudza kwambiri kutentha komwe kumapangidwa. Chifukwa chake, kuwongolera mayendedwe apano ndikofunikira. Ngati kuwotcherera pakali pano ndikwambiri, kumatha kuyambitsa mapindikidwe ndi thovu mu weld. Mphamvu yapano ikatsika kwambiri, zogwirira ntchito sizisungunuka bwino.

Kukaniza kwa elekitirodi kumakhala kovuta kusintha pakuwotcherera, chifukwa zimatengera mawonekedwe ndi kukula kwa electrode. Kutalika kwa nthawi yomwe ikuyenda panopa ndi yofunikanso ndipo iyenera kukhazikitsidwa mogwirizana ndi magawo ena kuti mukwaniritse zotsatira zomwe mukufuna. Kuphatikiza apo, kuthamanga kwa kuwotcherera ndi chinthu china chofunikira. Popanda kukakamizidwa kokwanira, kuwotcherera bwino malo ndikovuta kukwaniritsa.

Aligned The Metal

Pambuyo kusintha magawo, ndikuwotcherera ndondomekoamayamba. Choyamba, ikani zida zogwirira ntchito pakati pa ma elekitirodi awiri, kugwirizanitsa zitsulo kuti ma elekitirodi ayang'ane malo oti atsekerezedwe. Izi ndizofunikira chifukwa ngati chowotchereracho sichinayende bwino, chowotchereracho chimakhala chozimitsidwa, mwina kupangitsa kuti chinthucho chikhale cholakwika. Zidutswa zachitsulo zikakhala ndi mawonekedwe apadera kapena zimafuna kulondola kwambiri, zimakhala zovuta kugwirizanitsa malo otsetsereka mowonekera. Zikatero, ndikofunikira kupanga jig yapadera. Mwanjira iyi, mumangofunika kuyika zidutswa zachitsulo mu jig kuti muwonetsetse kuti zikugwirizana bwino ndi kuwotcherera.

Ikani Pressure

Gawo lachitatu pakuwotcherera ndikukakamiza zitsulo zogwirira ntchito. Ma electrode amasunthira kuzitsulo zogwirira ntchito ndikugwiritsa ntchito kukakamiza, kuonetsetsa kuti zogwirira ntchito ndi ma electrode zimagwirizana mwamphamvu.

Kudutsa Panopa

Ma electrode akakanikizidwa kwathunthu ndi chitsulo, mutha kuyambitsa pano. Panthawiyi, magetsi amachokera ku ma electrode kupita kuzitsulo zogwirira ntchito, zomwe zimapangitsa kuti zitsulo zisungunuke. Nthawi yoikika yapano ikatha, yapano imayima yokha. Panthawiyi, ma electrode akupitirizabe kukakamiza, kulola zitsulo zotentha kuti zigwirizane. Pomaliza, ma elekitirodi amamasulidwa, kumaliza weld.

Zida Zomwe Zili Zoyenera Kuwotchera Malo

Chitsulo chochepa cha carbonamagwiritsidwa ntchito kwambiri m'zigawo zamagalimoto ndi m'mipanda yazitsulo zamapepala. Pazinthu zamtunduwu, mutha kukhazikitsa nthawi yayitali komanso nthawi yayitali yowotcherera kuti muthandizire kupanga mawanga olimba.

Aluminiyamuali ndi kutentha kwabwino komanso kusinthasintha, ndi kukana kochepa kwambiri. Komabe, pamwamba pake pamakhala okosijeni mosavuta. Mukawotchera mapepala a aluminiyamu, sankhani zida zowotcherera zamphamvu kwambiri ndipo mugwiritseni ntchito zocheperako zokhala ndi nthawi yayitali yowotcherera.

Chitsulo chosapanga dzimbirikuwotcherera, kuwotcherera kwa pulse nthawi zambiri kumagwiritsidwa ntchito kuchepetsa kutentha komwe kumakhudzidwa ndi mawonekedwe, kuwonetsetsa kuti weld ikukwaniritsa zofunikira zokongoletsa.

Pamene kuwotcherera mapepala kanasonkhezereka, nthaka wosanjikiza pamwamba ndi otsika kusungunuka mfundo, amene mosavuta kufika, kuchititsa kwambiri splatter ndi elekitirodi kumamatira, kutsogolera wosakhazikika kuwotcherera panopa. Timagwiritsa ntchito njira ziwiri zowotcherera pakali pano: sitepe yoyamba imagwiritsa ntchito kansalu kakang'ono kuti tidutse nthaka yosanjikiza, ndipo sitepe yachiwiri imasintha zomwe zilipo kuti zikhale zoyenera kuwotcherera kuti muchepetse splatter ndi electrode kumamatira, ndikuwongolera kukhazikika kwa kuwotcherera.

Kuphatikiza pa izi, mawaya amkuwa ndi mbale, zitsulo zolimba kwambiri, chitsulo, ndi zitsulo zina zimatha kuwotcherera pogwiritsa ntchito njira zowotcherera. Zida zosiyanasiyana zingafunike magawo osiyanasiyana owotcherera.

Kugwiritsa Ntchito Spot Welding

Spot kuwotcherera kumagwiritsidwa ntchito kwambiri m'magawo osiyanasiyana monga zamagalimoto, zamagetsi, zida zapakhomo, ndi mafakitale azitsulo. M'makampani opangira magalimoto, kuwotcherera kwa malo kumagwiritsidwa ntchito polumikizira thupi lagalimoto, lomwe lili ndi mawonekedwe ovuta, nthawi zambiri amagwiritsa ntchito zowotcherera kapena zowotcherera. Zigawo zambiri zazitsulo m'magalimoto, monga mapanelo am'mbali mwa mipando, zotsekera ma shock, ndi ma brake pads, zimafunikiranso kuwotcherera pamalo. Spot kuwotcherera nthawi zambiri kumakhala koyenera kupanga magawo azitsulo apamwamba kwambiri. Ngati mukufuna kuwotcherera zitsulo 20,000 pamwezi, kuwotcherera malo ndikwabwino.

Ubwino wa Spot Welding

Spot kuwotcherera kuli ndi mbiri yakale yachitukuko ndipo ndikofunikira m'magawo ambiri ogulitsa zitsulo. Poyerekeza ndi njira zina zowotcherera, kuwotcherera pamalo kuli ndi zabwino zingapo:

1. Kuthamanga Kwambiri Kuwotcherera:Kuwotcherera malo kumathamanga kwambiri kuposa njira zina zowotcherera. Ngakhale njira zina zingatenge mphindi zingapo kuti amalize kuwotcherera, kuwotcherera pamalo kumatha kutha mumasekondi ochepa chabe. Ndi kupita patsogolo kwaukadaulo wowotcherera, nthawi zowotcherera pamalo zakhala zikuyenda mwachangu.

2. Zowotcherera Zokongoletsa:Zopangira zowotcherera pogwiritsa ntchito kuwotcherera pamawanga ndi zokometsera bwino kwambiri. Iwo sakonda kupindika, alibe weld splatter, ndipo amakhala ndi zowoneka zochepa. Ubwinowu ndi wofunikira m'mafakitale monga zamagalimoto komwe kukongola kwapamwamba ndikofunikira.

3. Ntchito Yotetezeka:Spot kuwotcherera kumakhala ndi vuto lochepa laukadaulo pamachitidwe ake ogwirira ntchito, zomwe zimapangitsa kuti ogwira ntchito wamba azitha kuphunzitsidwa ndikugwira ntchito mosavutikira.

4. Zotheka Kuchita:Spot kuwotcherera ndi koyenera kupanga zinthu zambiri zachitsulo ndipo zitha kuphatikizidwa mosavuta ndi makina opangira ma robotic, kuchepetsa ntchito yamanja.

5. Palibe Zosefera Zofunikira:Mosiyana ndi njira zina zowotcherera zomwe zimafunikira zinthu zodzaza nthawi zonse, kuwotcherera kwa malo kumalumikiza zida ziwiri popanda kufunikira kwazinthu zina.

Ubwinowu umapangitsa kuwotcherera malo kukhala chisankho chomwe amakonda m'mafakitale omwe amafunikira njira zolumikizira zitsulo zogwira ntchito bwino, zokongoletsa, zotetezeka, zongogwiritsa ntchito komanso zogwiritsa ntchito bwino.

Zochepa za resistance spot welding

Ngakhale kuwotcherera mawanga kuli kwamphamvu, kugwiritsa ntchito kwake kumakhala kochepa chifukwa cha zovuta zinazake:

1. Kulondola Pakuyika: Kuwotcherera kwa malo kumatha ndi kutulutsa kamodzi. Popanda machitidwe olondola oyika, kusanja bwino kungayambitse kuwonongeka kwa zinthu ndi kutayika.

2. Makulidwe ndi Zopinga za Mawonekedwe: Kuwotcherera kwa malo ndikoyenera kuwotcherera mapepala owonda (0-6mm). Zipangizo zokhuthala kapena zooneka mwapadera zimakhala zovuta kuwotcherera pogwiritsa ntchito kuwotcherera pamalo, zomwe zimapangitsa kugwiritsa ntchito njira zina zowotcherera pama mbale kapena mapaipi okhuthala.

3. Mphamvu Yophatikizana: Zolumikizira zowotcherera pamalo owotcherera sizingakhale zamphamvu chifukwa ndi njira yowotcherera yokhazikika, yolunjika pakuwotcherera malo amodzi panthawi.

4. Zovuta Zowongolera Ubwino: Kuwotcherera kwa malo kumaphatikizapo magawo angapo, chilichonse chimakhudza mtundu wa kuwotcherera. Kusintha kolakwika kwa magawo, monga kukakamiza, kungayambitse zotsatira zowotcherera zopanda ungwiro.

Zochepera izi zimafunikira kuganizira mozama za mtundu wa zinthu, makulidwe, ndi zofunikira zowotcherera posankha kuwotcherera malo kapena njira zina zopangira zinthu zosiyanasiyana.

Spot Welding Machine

Kuti mumalize ntchito zowotcherera malo, muyenera amakina kuwotcherera malo. Makina owotcherera a Spot nthawi zambiri amabwera m'njira zingapo:Zowotcherera pamalo osakhazikika, zowotcherera pa benchtop,portable gun spot welder,ndiMulti spot welder. Kusankha makina kuwotcherera malo kumadalira kwambiri mawonekedwe ndi kukula kwa zipangizo zanu zachitsulo. Kwa mapepala osavuta 2 mm wandiweyani, chowotcherera choyimirira ndi chokwanira. Komabe, powotcherera matupi agalimoto komwe zogwirira ntchito zimakhala zovuta kusuntha, zowalitsa zonyamula zimagwiritsidwa ntchito. Ngati mukufuna kuwotcherera madontho angapo pazida zachitsulo nthawi imodzi, chowotcherera chokhala ndi malo ambiri ndichoyenera.

Chidule

Pano pali kufotokozera za kuwotcherera malo.Kuwotcherera zitsulondi gawo lofunikira pakukonza zitsulo, ndipo njira zowotcherera pamalo zimagwiritsidwa ntchito kwambiri m'mafakitale osiyanasiyana. Ngati mukufuna kudziwa zambiri za kuwotcherera malo, mutha kupita patsamba lathu kapena kulumikizana mwachindunji ndi ogwira ntchito zaukadaulo.