Say welding spatter ed resistance spot welding et nagagawa no say tinunaw a metal et naekal ed weld interface antis ya onletneg lapud puersa na electrode. Say sankabalegan ya sengegan et say alablabas ya petang ya onloob, kulang odino ag-establi so puersa na electrode, kulang so panaon na panag-ipit, makapuy ya inka-fit na sheet-up, ag-ontutundan kondisyon na tapew tan saray naupot odino ag-aka-align ya electrode.
Diad resistance spot welding, sayan ebento et mas suston tatawagen ya weld expulsion. Duma iya ed MIG o MAG spatter, ya walay koneksion tod electric arc, filler-wire transfer tan shielding gas. Sayan artikulo et manpopokus labat ed pangipaway legan na MFDC tan say kombensional ya resistance spot welding.
Say pambawas ed expulsion et aglabat mankabaliksan na pambawas ed welding current. Say mekanikal ya setup, aktual ya kuryente, oras na weld, puersa na electrode tan kondisyon na materyales et kaukolan ya nengnengen ya saniiba, insan na sananey nin weld-strength test.
Saray manunan sengegan na spatter ed Resistance Spot Welding
| Posiblin sengegan | Antoy nagagawa | Antoy unonan nengnengen |
|---|---|---|
| Alablabas ya welding current | Say petang et mas maples ya ombaleg nen say weld zone ya nayarin nakarga na tinunaw a metal | Nengnengen so aktual ya indeliber ya kaplesan tan ikompara ed inaprobaan ya eskedyul |
| Andukey so panaon na panagwelding | Say nugget et mantutultuloy ya ombaleg anggad naekal so tinunaw a metal | Kumpirmaen so oras na weld tan saray yunit na oras na controller |
| Kulang so puersa na electrode | Saray sheet et ag-akapeket a malet pian nakarga so tinunaw a nugget | I-verify so aktual ya puersa na electrode, aliwan say presyon na dagem labat |
| Kulang so panaon na panag-ipit | Onggapo so kuryente antis ya nasumpal so sigpot ya kontak na electrode | I-tsek so force buildup tan say current-start timing |
| Makapuy so parte ya onkana ed - | Saray gap et mamapawala na ag-inkaparpareho na kontak tan manpapainit | I-inspeksyon so joint antis ya umanen so electrical settings |
| Naandi lan lupa na electrode | Say panguman na contact area et manguuman ed current density tan heat distribution | Nengnengen so diametro na lupa, kurti, pickup tan alignment |
| Kontaminado o manduruman tapew | Say larak, oxide odino coating et manguuman ed resistensya na kontak | Ikompara iray batch na materyales tan kondisyon na panaglinis |
| Ag-establi so panagpaliis | Manguuman so kondisyon na electrode legan ya tuloytuloy so produksyon | Nengnengen so agos na danum, temperatura tan saray akabaraan ya kanal |
| Aliwan susto so inkatumbok na weld | Saray wala lan weld et manguuman ed dalan na kaplesan diad panagtipon | Ikompara so inmunan weld ed saray ontumbok ya posisyon na weld |
Saray Estratehiya pian Nabawasan so Welding Spatter
- Rational Parameter Settings: Say kulang o ag-establin puersa na electrode et nayarin mamawas ed tinunaw-metal ya akapeket tan mamawala na ag-inkaparpareho na pankakasakey na saray sheet. Say alablabas a puersa et nayarin mamawas ed resistensya na kontak tan manguman ed inkaporma na nugget. Say suston puersa et nepeg ya nawalaan na kaplesan tan panaon na weld.
- Regular ya Panmintina na Kagawaan: Panapanaon ya nengnengen tan mantinien so medium frequency spot welder pian naseguro ya walad maong a kondisyon. Salatan a tampol iray grabe lan naupot ya electrode.
- Manpili na Matukoy iran Materyales ed Panag-welding: Mangusar na kualipikadon materyales ed panag-welding tan paliisan iray walaan na impurities odino oxide layers.
- Paaligwasen so Pantutumbokan tan Paraan na Panag-welding: I-adjust so panag-welding tan saray paraan na panag-welding pian naseguro ya parepareho so pangibunog na petang legan na panag-welding tan nabawasan so pakawalaan na spatter.
Panon ya Nabawasan so Spot Welding Spatter?
1. Nengnengen so Workpiece antis ya umanen iray parametro
Seguroen ya duga so posisyon na saray sheet, say joint et anggapoy ag-iilaloan ya gap tan saray welding surfaces et makatunongan ya parepareho. Saray pananguman ed parameter et ag makabawi ed ag-estable ya fit-up.
2. Inspeksionen tan I-align iray Electrode
Nengnengen so lupa na electrode no walay inkaupot, pitting, material pickup tan lingon inka-align. Say panguman na lupa na electrode et manguman ed contact pressure tan current density.
3. I-verify so Electrode Force tan Squeeze Time
Seguroen ya say akaprograman kuryente et onggapo labat kayari na pangiletneg na malet ya puersa na electrode. No say makina et manguusar na pneumatic pressure settings, kumpirmaen no panon ya mikonektaan itan ya setting ed aktual ya puersa na electrode.
4. Nengnengen so Aktual ya Kaplesan tan Panaon na Weld
Ikompara so nideliber ya kaplesan tan oras na weld ed naaprobaan ya eskedyul na welding. No ginmapo so pangipaway kayari na panmintina, pananguman na electrode odino pananguman na materyal, imbestigaan itan ya pananguman antis ya manggawa na balon eskedyul.
5. I-adjust so sakey a variable ed sakey a panaon
Say pambawas ed kuryente et nayarin mamatunda ed nanengneng ya panag-splatter balet nayarin mamawala met na daiset a kabaleg na weld nugget. Manggawa na sakey a kontroladon pananguman, manggawa na representative iran sample tan uliten so nakaukolan ya weld-quality test.
6. Subok ed Peteg ya Production Rate
Saray pigaran nisulinek a weld et nayarin ompatnag ya naabobonan lapud saray electrode et walay panaon dan onlemew. Ipaandar so trial ed labay ya cycle rate pian naamtaan iray problema ed cooling, electrode-wear odino force-estability.
Panon ya Naseguro so Weld Kayari na Pambawas na Spatter?
Say pambawas ed nanengneng ya spatter et kaukolan ya tumbokan na weld-quality verification. Ta no andi, say abeban-setting na kuryente et nayarin mangiyamot ed problema ed panagpaway legan ya manggagawa na kulang o makapuy ya weld.
Depende ed pankaukolan na produkto, say panag-verify et nayarin kaiba so visual inspection, peel o chisel testing, tensile-shear testing, cross-section examination odino arum nin aprubaan a paraan. Say data na monitoring na proseso et makatulong pian naamtaan iray pananguman, balet agto automatikon nasalatan so physical weld testing.
FAQ
T: Antoy sengegan na welding spatter ed resistance spot welding?
A: Say manunan sengegan et say alablabas ya kuryente odino weld time, kulang ya puersa na electrode, kulang ya squeeze time, makapuy ya fit-up, ag-ontutundan kondisyon na tapew tan saray naupot odino ag-aka-align ya electrode.
T: Antoy expulsion ed spot welding?
A: Say expulsion et nagagawa no say metal ya tinunaw et ompaway ed weld interface legan na welding cycle. Mabetbet ya dedeskribien itan bilang spot welding spatter, balet duma iya ed spatter ya ginawa na arc-welding process.
Q: Kasin say sobran welding current et pansengegan na spatter?
A: On, say alablabas ya kuryente et nayarin pansengegan na maples ya idakel tan itatagey na nugget. Balet, ag nepeg ya bawasan so kuryente anggad ag ni na-check so puersa na electrode, say oras na panag-ipit, say fit-up tan say kondisyon na tapew.
T: Nayarin say abeban puersa na electrode so pansengegan na pakawalaan na weld?
A: On. Say kulang o agmalet ya puersa et nayarin ag makaamper ed tinunaw ya metal ed baetan na saray sheet. Say aktual ya puersa na electrode et nepeg ya na-verify imbes ya manmatalek labat ed pneumatic-pressure setting.
T: Akin et ompatnag labat so spatter kayari na tuloytuloy ya panag-welding?
A: Saray lupa na electrode et nayarin onpetang, onkapuy odino mankolekta na materyales legan na produksyon. Nepeg ya nengnengen so pakayari na panagpabetel, say inkapekder na puersa tan saray pananguman ed lugar ya akatongtong.
Q: Kasin naekal na MFDC so welding spatter?
A: Andi. Say MFDC et mangiiter na programmable current tan timing control, balet nayarin nagawa so expulsion no say welding schedule, puersa na electrode, fit-up, cooling odino kondisyon na electrode et agmanepeg.
Konklusyon: Bawasan so Spatter ya Ag-onkapuy so Weld
Antoy sengegan na welding spatter ed sakey amedium-frequency spot welder? Diad resistance spot welding, say spatter- ya mas suston tatawagen ya weld expulsion- et kaslakan ya pansengegan na alablabas ya kuryente odino weld time, kulang ya puersa na electrode, kulang ya squeeze time, makapuy ya sheet fit-up, ag-ontutundan kondisyon na tapew, odino saray naupot tan ag-aka-align ya electrode.
Igapo ed pan-check ed kondisyon na workpiece tan electrode, insan nengnengen so puersa na electrode, oras na panag-ipit, nideliber ya kuryente, oras na weld tan panag-cooling. Umanen so sakey a variable ed kada pankanawnawa tan suboken lamet so weld. Say pambawas ed nanengneng ya spatter et matalona labat no say weld nugget tan say biskeg na joint et makaabot ni ed saray nakaukolan ya criteria.
kerew na sample na welding test
