Industrial galaw shapraw ai lam hta, .spot welding jak(grau nna medium-frequency inverters) hpe shi a akyu rawng ai hte ngang grin ai weld quality a majaw grai lang ma ai. Raitim, bungli galaw ai ni law law gaw, gara parameters ni gaw welding galaw ai lam hpe teng sha dawdan ya ai kun ngu nna naw myit yu nga ma ai. Ndai laika buk hta, spot welding jak a matu ra kadawn ai welding masa masum hpe daw dan nna, hkrak tup hkang lu na matu tatut galaw mai ai lam matsun ni hpe jaw da ai.
Welding Current: N-gun dat bang ai lam a npawt nhpang
Spot welding galaw ai jak hta welding current gaw madung nbung n-gun rai nga ai. Medium-frequency inverter ni gaw, n-gun n-gun hpe DC current (1000 Hz jan) de galai shai ya nna, 30% du hkra grau n-gun ja ai n-gun hpe jaw ya ai. Ndai lam gaw, aluminum alloy zawn re ai nbung n-gun grai ja ai arung arai ni a matu grai kaja ai.
Madung hpaji jaw ga ni:
Current hpe arung arai amyu hte shingdaw yu u: Stainless steel a matu current hpe jat ya u, n-gun n rawng ai sheets ni a matu shayawm ya u, wan hkru ai hpe koi gam na matu.
Dynamic current hpe hkang ai lam hpe jai lang u: Projection welding zawn re ai application ni hta n-gun hpe shayawm kau ya ai (sh) n-gun hpe jat ya ai.
Welding aten: Katsi ai hpe rap ra hkra shinggyin la lu ai
Welding aten gaw nbung garan ai lam hpe hkrak hkra machyi shangun ai. Lawan ai hku bai htang ai aten (millisecond hta) a majaw, lapran tsang-hpang jahtumspot welding jak niAC welder ni hte shingdaw yang, weld cycle hpe 30–50% shayawm ya lu ai. Ga shadawn, mawdaw ni hpe shinggyin la na matu, shara langai hta second 1–2 daram sha ra ai.
Madung hpaji jaw ga ni:
Current hte aten hpe matut mahkai u: Current n law ai aten grau na ra na re, raitim aten grai na ai majaw katsi ai hpe garan kachyan nna, nsam galai mat ai.
Conductive arung arai ni a matu kadun ai cycle: Aluminium a matu, katsi ai hpe shayawm na matu, welding aten hpe second 2 npu kaw tawn da ra ai.
Electrode a n-gun: Matut mahkai ai lam hte n-gun hpe hkam la ai
Electrode pressure gaw matut mahkai lam hpe n-gun jaw ya nna, katsi ai aten hta weld nugget hpe n-gun jaw ya ai. Spot welding jak langai gaw 0.2–0.6 MPa laman hta bungli galaw nna, nbung (sh) servo system hku nna gram lajang mai ai.
Madung hpaji jaw ga ni:
Sheet n-gun a matu pressure hpe gram lajang u: 0.2–0.3 MPa hpe n-gun n rawng ai sheet ni a matu lang nna, n-gun n rawng hkra galaw u; 0.4–0.6 MPa grau htum ai arung arai ni a matu.
Pre-pressure hte post-forge hpe lang u: Pre-squeeze galaw ai gaw, matut mahkai ai lam hpe shayawm ya nna, jahtum na pressure gaw nugget hpe n-gun ja shangun nna, n-gun n rawng ai shara ni hpe yeng seng kau ya ai.
Parameter masum hpe jawm galaw ai
Kaja dik htum welding galaw na matu, setting masum hpe rap ra hkra galaw ra ai:
Ya aten hte aten:High current gaw spatter n byin na matu aten kadun ra ai; low current gaw aten grau na ra ai raitim, n kaja ai lam byin chye ai.
N-gun & Ya aten:Grai law ai n-gun gaw, current density hpe shayawm kau ya nna, weld ni hpe n-gun kya shangun ai; n law ai pressure gaw n kaja ai fusion byin shangun chye ai.
Tatut galaw mai ai hpaji jaw ga ni:
Test and Adjust: Arung arai amyu hte n-gun hpe madung tawn nna, npawt nhpang masat masa ni kaw nna hpang u. Trial weld ni hpe n-gun n rawng ai (sh) n-gun n rawng ai hpe jep yu nna, bai gram lajang u.
Digital Controls ni hpe jai lang u: PLC system lawm ai ya aten na spot welding jak ni gaw, n bung ai hku galaw na matu, kaja dik ai parameter set ni hpe shinggyin tawn da nna, bai galaw lu ai.
Daw dan lam
Ndai core parameters masum-welding n-gun, aten, hte electrode n-gun- gaw gara 100 a bungli galaw ai lam hpe dawdan ya ai. spot welding jak. Shanhte a shada da kanawn mazum ai lam hpe atsawm chye ai hku nna, galaw shapraw ai ni gaw n-gun n law ai hte bungli galaw ai manu n law ai sha ngang kang ai, san seng ai weld ni hpe lu la mai ai. Dai ni na aten na hpaji rawng ai hpaga lam hta, shingjawng ai lam hta n-gun ja ai hpe matut manoi tawn da lu na matu, kaja wa-hkang lu ai spot welding jak hpe hkrak tup masat da ai hku jai lang ai gaw ahkyak nga ai.
