Spot welding imhando yepress welding uye yechinyakare chimiro cheresistance welding. Icho chikamu chakakosha chesimbi uye chinoshandiswa mumaindasitiri mazhinji. Ichi chinyorwa chinotsanangura misimboti uye nzira dzekushanda dzespot welding zvakadzama kuti ikubatsire kunzwisisa zviri nani kuti nzvimbo welding chii.

 Chii chinonzi Spot Welding?

Spot welding isimbi yekubatanidza nzira uko kudzvanywa kunoiswa kune simbi workpieces nepamusoro nepasi maelectrode, uye magetsi anopisa iwo kwenguva yakatarwa, zvichiita kuti simbi iite weld panzvimbo dzekusangana. Ma electrode anowanzo kugadzirwa nemhangura nekuda kwekukwirira kwayo kwekupisa uye kushomeka kwekudzivirira. Kana ikozvino inopfuura nepakati pe electrode uye simbi workpieces, kupisa kunonangana panzvimbo dzekusangana, kuchinyungudusa kuita purasitiki. Iyo yazvino inozomiswa, asi kudzvanywa kunochengetwa, kubatanidza nzvimbo dzekusangana pamwechete. Spot welds idiki, ine dhayamita yega yega weld inotangira pa3 kusvika 20 mm.

Spot Welding Inoshanda Sei?

Isu tinogovanisa iyo nzvimbo welding maitiro kuita matanho mana: kuseta paramita, kuisa maworkpieces, kushandisa kumanikidza, uye kupfuura ikozvino.

Kuisa Parameters

Danho rakakosha pakuisa nzvimbo welding ndiko kuseta maparamita ewelding. Iko kupisa kunogadzirwa panguva yewelding yenzvimbo kunonyanya kutsanangurwa neatatu paramita: ikozvino, kuramba, uye nguva. Hukama huripo pakati pemaparameter aya hunoratidzwa neinotevera equation:

Q = I²Rt

Q = kupisa kunogadzirwa

I = welding current

R = kuramba mu electrode

T = nguva yekuyerera ikozvino

Aya ma paramita anopesvedzera mumwe nemumwe uye anoona iwo welding mhando. Ikozvino ine simba guru; kukosha kwayo kwakapetwa muequation kunokanganisa zvakanyanya kupisa kunogadzirwa. Naizvozvo, kudzora ikozvino kwakakosha. Kana iyo welding ikozvino yakawandisa, inogona kukonzera deformation uye mabhubhu mu weld. Kana iyo yazvino yakaderera zvakanyanya, maworkpieces haazonyungudika zvakanaka.

Kupikisa mu electrode kunonetsa kugadzirisa panguva yewelding, sezvo inonyanya kuenderana nechimiro che electrode uye ukuru. Nguva yekuyerera kwazvino yakakoshawo uye inofanirwa kuiswa mukubatana nemamwe ma paramita kuti uwane mhedzisiro inodiwa. Pamusoro pezvo, welding pressure ndechimwe chinhu chakakosha. Pasina kumanikidzwa kwakaringana, budiriro nzvimbo welding yakaoma kuwana.

Aligned The Metal

Mushure mekugadzirisa ma parameters, iyowelding processinotanga. Chekutanga, isa maworkpieces pakati pemaelectrode maviri, uchibatanidza simbi kuitira kuti maelectrodes atarise nzvimbo ichaiswa weld. Iri danho rakakosha nekuti kana poindi yekubatira ikasarongeka, weld inenge yadzima, pamwe ichikonzera kuti chigadzirwa chive chakaremara. Kana zvidimbu zvesimbi zvine chimiro chakakosha kana kuti zvinoda kurongeka kwepamusoro, zvinogona kunetsa kurongedza weld nzvimbo nekuona. Mumamiriro ezvinhu akadaro, zvakakosha kugadzira jig yakakosha. Nenzira iyi, iwe unongoda kuisa zvidimbu zvesimbi mujig kuti uone kurongeka kwakaringana kwewelding.

Shandisa Pressure

Nhanho yechitatu muwelding ndeyekuisa kumanikidza kune simbi workpieces. Iwo ma electrode anoenda akananga kune simbi workpieces uye anoisa kumanikidza, kuve nechokwadi chekuti maworkpieces uye maelectrode akanyatso sangana.

Passing Current

Kamwe ma electrode akanyatso kudzvanywa pamusoro pesimbi, unogona kutanga ikozvino. Munguva iyi, ikozvino inoyerera kubva kune electrodes kusvika kune simbi workpieces, zvichiita kuti simbi inyunguduke. Kana nguva yakatarwa yezvino inopera, ikozvino inomira pakarepo. Panguva ino, ma electrode anoramba achimanikidza, achibvumira simbi inopisa kuti isanganise pamwechete. Pakupedzisira, magetsi anosunungurwa, achizadza weld.

Zvakajairwa Zvishandiso Zvakakodzera Spot Welding

Yakaderera-kabhoni simbiinoshandiswa zvakanyanya muzvikamu zvemotokari uye mapepa esimbi akavharirwa. Kune rudzi urwu rwezvinhu, iwe unogona kuseta yakakwira ikozvino uye nguva pfupi yewelding kuti ubatsire kuumba yakasimba weld spots.

Aluminiumine yakanaka kupisa kupisa uye conductivity, ine kushomeka kwakanyanya. Zvisinei, pamusoro payo nyore oxidizes. Paunenge uchiseta mashizha ealuminium, sarudza midziyo yewelding yepamusoro-powered uye shandisa yakaderera ikozvino ine nguva yakareba yekuisa welding.

Simbi isina ngurawelding, pulse welding inowanzo shandiswa kuderedza kukanganiswa kwenzvimbo yekupisa pakuonekwa, kuve nechokwadi chekuti weld inosangana nezvinodiwa zvekunaka.

Paunenge uchiputira mapepa emarara, iyo zinc layer iri pamusoro ine yakaderera kunyungudika, iyo inosvikika nyore, ichikonzera yakakosha splatter uye electrode kunamatira, zvichitungamira kune isina kugadzikana welding ikozvino. Isu tinoshandisa maviri-nhanho welding ikozvino maitiro: danho rekutanga rinoshandisa diki ikozvino kupaza nepakati zinc layer, uye danho rechipiri rinogadzirisa ikozvino kune yakakodzera welding parameters kuderedza splatter uye electrode kunamatira, kuvandudza welding kugadzikana.

Pamusoro peizvi, waya dzemhangura nemahwendefa, simbi yakasimba-yakasimba, simbi, uye dzimwe simbi zvinogonawo kugadzirwa pachishandiswa nzira dzemakona. Zvishandiso zvakasiyana zvinogona kuda akasiyana welding paramita.

Izvo Zvikumbiro zveSpot Welding

Spot welding inoshandiswa zvakanyanya munzvimbo dzakasiyana siyana senge mota, zvemagetsi, midziyo yemumba, uye maindasitiri esimbi. Muindasitiri yemotokari, nzvimbo yemoto inoshandiswa kugadzira mutumbi wemotokari, iyo ine chimiro chakaoma, kazhinji uchishandisa inotakurika nzvimbo welder kana otomatiki spot welding masisitimu. Zvikamu zvesimbi zvakawanda mumotokari, senge zvigaro zveparutivi, zvinobatisa kuvhundutsa, uye mabhureki mapedhi, zvinodawo welding. Spot welding inowanzokodzera kugadzirwa kwesimbi yakakura-vhoriyamu. Kana iwe uchida kubatanidza 20,000 simbi mapepa pamwedzi, spot welding isarudzo yakanaka.

Zvakanakira Spot Welding

Spot welding ine nhoroondo refu yebudiriro uye yakakosha muzvikamu zvakawanda zveindasitiri zvekujoinha simbi. Kuenzaniswa nedzimwe nzira dzewelding, spot welding inopa zvakati wandei zvakanakira:

1. Fast Welding Speed:Spot welding inokurumidza zvakanyanya kupfuura dzimwe nzira dzewelding. Nepo dzimwe nzira dzinogona kutora maminetsi akati wandei kupedzisa weld, spot welding inogona kupera mumasekonzi mashoma. Nekufambira mberi mune tekinoroji welding, nguva dzewelding dzakatonyanya kukurumidza.

2. Aesthetic Welds:Zvigadzirwa zvakaiswa welding uchishandisa spot welding zvinoyevedza nekunaka kwepamusoro. Ivo havanyanyi kuita deformation, vasina weld splatter, uye vane mashoma anooneka seams. Hunhu uhwu hwakakosha kumaindasitiri akaita semotokari uko kwakakosha mazinga akakwirira.

3. Kushanda Kwakachengeteka:Spot welding ine yakaderera tekinoroji yakaoma mukuita kwayo kushanda, zvichiita kuti zvive nyore kune vashandiwo zvavo kudzidziswa uye kushanda zvakachengeteka.

4. Automation Feasibility:Spot welding inokodzera kugadzirwa kwakawanda kwezvigadzirwa zvesimbi uye inogona kubatanidzwa zviri nyore nemarobhoti masisitimu e automation, kuderedza basa remaoko.

5. Hapana Filler Material Inodiwa:Kusiyana nedzimwe nzira dzakawanda dzewelding dzinoda kugara dzichizadza zvinhu, spot welding inojoinha maworkpiece maviri pamwechete pasina kudiwa kwezvimwe zvinhu.

Aya mabhenefiti anoita kuti nzvimbo welding ive sarudzo inosarudzika mumaindasitiri anoda kunyatsoita, kunaka, kuchengeteka, otomatiki, uye zvinhu-inoshanda simbi yekujoinha maitiro.

Kuganhurirwa kweresistance spot welding

Nepo spot welding ine simba, kushandiswa kwayo kunogumira nekuda kwezvipingaidzo zvechimiro:

1. Kururama muPositioning: Spot welding inopera nekubuda kamwe chete. Pasina chaiyo yekumisikidza masisitimu, kusarongeka kunogona kutungamirira kune kukanganisa kwechigadzirwa uye zvimedu.

2. Hukobvu uye Shape Constraints: Spot welding inowanzokodzera welding mashizha matete (0-6mm). Zvishandiso zvakakora kana zvakasarudzika zvinonetsa kupinza uchishandisa spot welding, zvichikurudzira kushandiswa kwehumwe matekinoroji ewelding emapureti akakora kana pombi.

3. Joint Strength: Welded joints in spot welding inogona kunge isina kusimba nekuti iri localized welding process, inotarisisa pane welding nzvimbo imwe panguva.

4. Hunhu Kudzora Zvinetso: Spot welding inosanganisira akawanda ma paramita, imwe neimwe inokanganisa kunaka kwewelding. Kugadziriswa kwakashata kweparamita, senge kudzvanywa, kunogona kukonzera kusakwana kwewelding mhedzisiro.

Izvi zvipingamupinyi zvinoda kunyatsotariswa kwemhando yezvinhu, ukobvu, uye welding zvinodiwa pakusarudza nzvimbo welding kana dzimwe nzira dzemhando dzakasiyana dzekugadzira.

Spot Welding Machine

Kupedzisa nzvimbo welding mabasa, unoda anzvimbo welding muchina. Spot welding michina inowanzouya nenzira dzinoverengeka:Stationary spot welders, mabenchtop spot welder,portable gun spot welder,uyemulti spot welder. Sarudzo yemuchina welding wemuchina unoenderana zvakanyanya nechimiro uye saizi yezvinhu zvako zvesimbi. Kune akareruka 2 mm gobvu mapepa, vertical spot welder inokwana. Nekudaro, kune welding mota mitumbi uko maworkpiece akaoma kufamba, anotakurika welding tong anoshandiswa. Kana iwe uchida kupinza akati wandei pane simbi zvinhu kamwechete, multi-spot welder ndiyo yakanaka.

Summary

Heino tsananguro nezve spot welding.Metal weldingidanho rakakosha mukugadzirisa simbi, uye nzira dzekugadzira simbi dzinoshandiswa zvakanyanya mumaindasitiri akasiyana siyana. Kana iwe uchida kudzidza zvakawanda nezve nzvimbo welding, unogona kushanyira webhusaiti yedu kana kubvunza zvakananga nevashandi vedu vehunyanzvi.