Dai ni na aten na hpaga lam hta, .spot welding jakstainless steel galaw shapraw na matu ra kadawn ai arung arai langai byin wa sai, hpa majaw nga yang, shi a akyu rawng ai, bai galaw mai ai, n-gun hpe hkrak hkrak hkang lu ai majaw re. Raitim, stainless steel a laklai ai atsam marai ni-melting point grai tsaw ai, n-gun ja ai n-gun ja ai, n-gun ja ai oxidize byin wa chye ai-a majaw, ngang grin ai, n-gun ja ai-quality weld ni hpe lu la na matu, hkrak ai electrode arung arai ni hpe jai lang ra ai.
Hpaji sawk sagawn ai lam ni hta, 100 jan re.70% stainless steel welding n kaja ai lam ni gaw, n kaja ai electrode lata ai lam (sh) n hkum tsup ai hku gram lajang ai lam ni hte hkrak matut mahkai nga ai, dai gaw electrode lata ai lam gaw welding galaw ai lam hta kade daram ahkyak ai hpe madi madun nga ai.
Ndai laika buk hta, n bung ai electrode arung arai ni gaw, n-gun n rawng ai n-gang ntsa hta gara hku galaw ai lam, na a spot welding jak hte gara hku shingdaw na, welding galaw ai atsam hte electrode a prat hpe grau kaja hkra galaw na matu, na a parameters hte gram lajang ai lam ni hpe gara hku galaw na ngu ai lam ni hpe sang lang dan da ai.
Hpa majaw Electrode arung arai ni ahkyak ai
Spot welding galaw ai shaloi, katsi ai hte n-gun hpe gara hku jaw ya ai hta electrode ni gaw dawdan ya ai lit nga ai. Electrode arung arai hpe hkrak lata ai gaw, grau kaja wa shangun ai:
- 15-40% du hkra weld nugget n-gun
- 30% du hkra Welding n-gun rawng ai
- 25-60% du hkra hka lim ai hpe shayawm ya ai
- Electrode a asak hpe 2-5 lang jat ai
Kaja wa-htuk manu ai electrode gaw, na a spot welding jak hpe, yak hkak ai stainless steel grade ni hte pyi, san seng ai, ngang kang ai, bai galaw mai ai weld ni hpe galaw lu ai atsam jaw ya ai.
Stainless Steel a matu lang ai Electrode arung arai masum hte shanhte a kaja dik ai jai lang ai lam ni
1.
Standard magri Electrodes (N-gun n rawng ai n-gang a matu kaja dik htum)
Standard magri electrode ni hpe 100 kaw nna du hkra na arung arai ni a matu grai lang ma ai.0.2-1.0 mmn-gun hta.
Madung akyu ni:
- Wan n-gun grai tsaw ai (80-90% akyu rawng ai)
- Npu wan hkru ai hpe pat shingdang ya ai kaja dik ai katsi ai hpe shapraw kau ya lu ai
- N-gun n rawng ai bungli galaw ai arung arai ni hta n-gun n rawng ai (sh) hkrang n bung ai lam byin wa na hkrit tsang lam yawm ai
- Manu n hkrat ai sha, jak hte galaw na matu loi ai
Kaja dik htum:
- N-gun n rawng ai n-gang hka htung ni
- Hkauna arung arai ni hte nhtoi htoi ai arung arai ni
- Filter mesh hte kaji ai welded hpawng ni
Matsing ai:Copper gaw n-gun n rawng nna lawan ai hku hten mat ai majaw, ayan bu hpun ra ai.
2.
304 / 316 hte n-gun ja ai n-gang n-gang a matu kaja dik htum
Chromium law ai hte -nickel law ai n-gun n rawng ai n-gang ni a matu304 hte 316 hta lawm ai., welding galaw ai gaw grau nna ra kadawn wa ai. Chromium zirconium magri gaw grai ngang grin ai lam hpe jaw ya ai.
Magam bungli galaw ai atsam ningja ni:
- Zirconium a majaw arc n-gun yawm mat ai hpe 3–5× grau ninghkap lu ai
- Ya aten hta grau tsaw ai shara ni hpe hparan lu ai (300–500 A)
- Grai kaja ai tsaw ai-katsi ai n-gun ja ai
- Matut manoi welding galaw na matu grau kaja ai oxidation hpe ninghkap lu ai atsam
- 2–3× grau galu ai magam bungli prat gaw, madang dep ai magri mang electrode ni hte shingdaw yang
Kaja dik htum:
- 1–3 mm lapran-hkum hkrang n-gun n rawng ai n-gang
- N-gun grau ra ai npawt nhpang daw ni
- Matut manoi galaw shapraw ai grup yin ni
3.
Tungsten-Molybdenum Electrodes: N-gun ja ai hte n-gun ja ai n-gang n-gang a matu hparan ladat
100 hta grau htum ai n-gang hpe weld galaw ai shaloi.5 mm, grai ja ai nbung hpe welding galaw ai shara hta shinggyin tawn da ai. Tungsten-molybdenum electrode ni gaw dai zawn re ai grai sawng ai masa hta ngang grin ai lam hpe makawp maga ya lu ai.
Hpa majaw shanhte gaw n-gun ja ai daw ni a matu ahkyak ai:
- Tungsten a hka lim ai shara gaw 100 daram du wa sai.3410 degree, electrode n kaja ai hpe pat shingdang ai
- Molybdenum gaw katsi ai hpe ninghkap lu ai atsam hpe jat ya ai
- -frequency n-gun (1–5 kHz) hte hpaw yang ngang grin ai hkrang shapraw ai lam
- Sung ai de shang lu na matu hte bungli kaba ni a matu grai kaja ai
Kaja dik htum:
- N-gun ja ai n-gang n-gang ni
- Casting kaba ni
- N-gun ja ai shang wa ra ai npawt nhpang welding galaw ai
Parameter hpe grau kaja hkra galaw ai: Electrode langai hte langai hpe hkrak ai hku masat da ai
Kaja dik htum ai electrode arung arai ni hte pyi, welding galaw ai atsam gaw, na a spot welding jak hpe hkrak hkrak gram lajang da ai kun ngu ai hta grai madung nga ai.
Hpaji jaw ai hpaga lam masat masa ginra ni:
| Shawk shawn ai | Electrode n-gun | Welding galaw ai aten | Ya | Notes |
|---|---|---|---|---|
| N-gun n rawng ai n-gang ( 1 mm hta n-pu (sh) maren sha) | 0.3 MPa | 3-10 ms |
Madang | Ntsa de n-gun n rawng ai hpe koi ga |
| Ka-ang hkup galu ai (1-3 mm) | 0.4-0.5 MPa | 10-20 ms |
Current grau tsaw ai | Gawng kya ai (sh) kaji ai nugget ni hpe pat shingdang u . |
| N-gun ja ai daw ni ( 5 mm hta grau kaba ai (sh) maren sha re) | 0.5 MPa hta grau kaba ai (sh) maren sha re. | 15-30 ms |
-lang lang lang ai | Hkum tsup ai hku shang wa lu hkra galaw u |
Hkamja lam hta ra kadawn ai lam ni: Electrode a prat hpe jat ya ai hte Welding hpe ngang grin hkra galaw ya ai
Kaja wa-hkap la da ai electrode gaw 200% du hkra galu kaba wa lu nna, grau ngang grin ai welding galaw lu ai atsam hpe jaw ya lu ai.
Madung gram lajang ai bungli ni hta:
- Electrode n-gun hpe ayan jep yu u; tip diameter yawm mat ai shaloi galai kau u.20%
- Arung arai a n-gun hte geometry hpe madung tawn nna, electrode ni hpe bu hpun (reshape) galaw u.
- Coolant a katsi ai hpe 100 laman hta tawn da u.5-30 degri
- Electrode n-gun n rawng hkra grai katsi ai hpe koi gam u
- Electrode a bungli galaw ai lam hte asak galu ai lam hpe hkan tam na matu laika buk ni hpe gawgap u
Kaja ai Electrode hpe gara hku lawan lata la na
- N-gun n rawng ai n-gang → Standard magri electrode
- 304 / 316 n-gun n rawng ai hpri → Chromium zirconium magri
- N-gun ja ai n-gang ni / n-gun ja ai n-gang ni → Tungsten-molybdenum
Kaja dik htum galaw lu na matu, jaw ai electrode arung arai hpe:
- N galai shai ai parameter jahpan ni
- Makawp maga ai gram lajang ai ladat ni
- Katsi ai ladat hpe hkrak hkra hparan ai
- Electrode a akyang lailen hte seng nna bungli galaw ai wa sharin hpawng
Daw dan lam
1990 ning hta, n-gun n rawng ai n-gang hpe .spot welding jak, electrode lata ai lam gaw, jak hpe gram lajang ai zawn ahkyak ai. Tengman ai electrode arung arai hpe lata la nna, welding parameters ni hpe hpaji masa hku gram lajang ai, gram lajang ai ladat ni hpe hkan sa ai hku nna, galaw shapraw ai ni gaw welding a hkamja lam hpe grai kaja hkra galaw lu ai, bungli galaw ai manu hpe shayawm lu ai, electrode hte jak rai lahkawng yan a asak hpe galu shangun lu ai.
Hpa majaw nga yang, n-gun ja ai n-gang n-gang ni hpe shing nrai, n-gun ja ai n-gang n-gang ni hpe welding galaw ai rai tim, kaja ai electrode- hpe lata nna, jaw ai setting ni hte gram lajang ai ladat ni hpe hpawng de ai-aten galu kam hpa mai ai lam, grau kaja ai bungli galaw lu ai atsam, ra kadawn ai makau grup yin hta n-gun ja ai welding galaw ai lam hpe n-gun jaw ya lu ai.
