Resistance spot welding inzira inoshandiswa zvakanyanya mukugadzira maitiro, kunyanya mumaindasitiri emotokari uye aerospace. Iyi nzira inosanganisira kubatanidza zvidimbu zviviri zvesimbi pamwechete nekushandisa kupisa uye kumanikidza kuburikidza nemagetsi. Imwe yakakosha parameter mune iyi maitiro ndeye electrode pressure. Muchinyorwa chino, isu tichaongorora kukosha kwekudzvanywa kwe electrode muresitorendi nzvimbo welding michina uye maitiro ayo pamhando yewelds.
Kunzwisisa Electrode Pressure
Electrode pressure, inozivikanwawo sewelding force kana contact pressure, inoreva simba rinoshandiswa nema electrode welding pane maworkpiece arikubatanidzwa. Iyi dzvinyiriro inoita basa rakakosha pakuita kuti weld ibudirire. Iwo ekutanga mabasa e electrode pressure ndeaya:
1. Kuve nechokwadi cheKubata Kwakanaka Kwemagetsi
Kuti ishande yekudzivirira nzvimbo welding, yakaderera-inodzivirira nzira yemagetsi inofanira kuvapo pakati pema electrode uye maworkpieces. Kumanikidza kwakaringana kunovimbisa kubata kwakanaka kwemagetsi, kuderedza kusagadzikana kwemagetsi uye kugonesa kuyerera kwewelding ikozvino kuburikidza nejoinhi. Izvi, zvakare, zvinofambisa kugadzirwa kwekupisa kunodiwa pakugadzira welding.
2. Kukurudzira Material Deformation
Kudzvinyirirwa kunoitwa nema electrode kunokonzera deformation yenzvimbo mune workpiece zvinhu. Iyi deformation inogadzira hukama hwepedyo pakati pezvishandiso zviviri, kuwedzera iyo metallurgical bond panguva yewelding. Iyo inobatsira zvakare mukupwanya kuburikidza nekusvibiswa kwepamusoro senge okisidhi uye machira, zvichiwedzera kunatsiridza weld mhando.
3. Kudzora Heat Generation
Yakakodzera electrode pressure inobatsira kudzora huwandu hwekupisa hunogadzirwa panguva yewelding. Kudzvinyirira kwakanyanya kunogona kukonzera kupisa, nepo kusakwana kumanikidza kunogona kukonzera kusakwana kwekugadzira kupisa. Kuwana chiyero chakakodzera kwakakosha kudzivirira kukuvadzwa kune maworkpieces uye kuve nechokwadi cheiyo weld yakasimba.
Optimal Electrode Pressure
Kuona iyo yakakwana electrode kudzvanywa kunoenderana nezvinhu zvakasiyana, zvinosanganisira zvinhu zviri welded, ukobvu hwayo, uye welding ikozvino. Vagadziri vanowanzopa nhungamiro uye zvirevo zvekumanikidzwa kwe electrode zvichienderana nezvinhu izvi. Pamusoro pezvo, weld operators anogona kutarisa uye kugadzirisa electrode kudzvanywa kuti uwane inodiwa weld mhando.
Impact paWeld Quality
Kusakwana electrode pressure inogona kutungamira kune akati wandei welding defects, senge isina kukwana fusion, porosity, uye weak weld bonds. Sezvineiwo, kudzvinyirirwa kwakanyanya kunogona kukonzera kuwanda-welding, zvichikonzera deformation uye kukuvadzwa kune workpieces. Naizvozvo, kuchengetedza iyo chaiyo electrode kudzvanywa kwakakosha pakugadzira emhando yepamusoro welds ane anodiwa ma mechanical properties.
Mumashini ekushivirira nzvimbo welding, electrode pressure ndiyo yakakosha parameter inokanganisa zvakanyanya kunaka kwewelds. Inovimbisa kubata kwakanaka kwemagetsi, inosimudzira deformation yezvinhu, uye inodzora kupisa kugadzirwa. Kuti uwane mibairo yakakwana, zvakakosha kuti unzwisise zvinhu zviri weld uye kutevedzera yakakurudzirwa electrode pressure nhungamiro. Kudzora kwakaringana kwekumanikidza kwe electrode hakungo wedzera kunaka kwe weld asiwo kunobatsira mukubudirira kwese uye kuvimbika kweiyo welding process.
Nguva yekutumira: Sep-18-2023
