Htu shaw ai jak boom n-gang hte galaw da ai dung shara gaw .core n-gun ja ai- lit nga ai n-gang n-gang dawhtu shaw ai jak bungli galaw ai jak a. Dai hpe integral cast galaw nna, madung hku nna weld galaw nna, excavator boom a madung hkum hkrang de shinggyin tawn da ai. Boom pin shafts, hydraulic cylinder hte arm links ni a hinge matut mahkai lam a matu key load-bearing base hku nna magam gun nga ai, bungli galaw ai shaloi hkra machyi ai lam, galai shai ai lit ni hte shinggrup ai lit ni hpe hkam sharang lu ai.
Dai hpe engineering carbon cast steel kaw na galaw shapraw ai rai nna, mungdan madang masat masa ni hpe lang ai .ZG230-450HteZG270-500.
Dai hte maren sha re ai European hte American madang masat masa ni gaw lawu na hte maren rai nga ai.
Uropa madang: GP240GH, C25 hpaji hparat carbon n-gang n-gang
American madang: ASTM A216 WCB carbon n-gang (law malawng lang ai bung ai n-gang)
Dai arung arai ni a arawn alai nin-gun kaba ai, ngang kang ai kaja ai, grai kaja ai weldability, kaba ai hkra machyi ai lam hpe ninghkap lu ai hte n-gun yawm ai hpe ninghkap lu ai, boom a on-site welding masa ni hpe hkum tsup hkra htuk manu hkra galaw ya ai. Normalize / annealing heat tsi lajang ngut ai hpang, kata na microstructure gaw n-gun ja ai, shrinkage cavities, porosity hte cracks zawn re ai n kaja ai lam ni n nga ai.
Dai integral cast structure gaw, galaw shapraw da ai plate welding a shara hpe la nna, n-gun garan ai lam hpe maren mara garan gachyan ai hte, n-gun n rawng ai hte n-gun n rawng ai hpe ninghkap lu ai atsam kaba nga ai. Dai gaw, n-gun ja ai bungli masa ni rai nga ai, lung seng htu ai, ga htu ai hte n-gun kaba ai-gun n-gun rawng ai htu shaw ai jak ni a matu, htu shaw ai jak ni a matu, grai sawng ai bungli masa ni hpe htuk manu hkra galaw ya ai, htu shaw ai jak boom a structural shimlam hte service life extension a matu ahkyak ai daw langai hku nna galaw ya ai.
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