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Valani kukana kwazitsulo zosiyana siyana mutatha kuumitsa

Valani kukana kwazitsulo zosiyana siyana mutatha kuumitsa

Nambala yachitsulo Kapangidwe kakemidwe (kagawo kakang’ono,%) Avereji kuuma

HRC

Valani voliyumu ya concave

/ 10 3 mm 3

C Mn Cr
45 0.50 0.58 0. 18 62 371
50Mw 0.53 0. 70 0. 10 63 357
45 Kr 0.42 0.55 1. 10 60 329
T7 0.72 0.22 0. 15 65 310

Malinga ndi kuchuluka kwa mavalidwe ndi kuvala kwa ma induction olimba, mfundo zotsatirazi zitha kuganiziridwa:

1) Kutentha kwa induction kumagwiritsidwa ntchito kuzimitsa pamwamba pa chogwirira ntchito, chomwe chimathandizira kwambiri kukana kwa ntchito yoyambirira yosazimitsidwa.

2) Poyerekeza ndi magawo wamba olimba olimba, magawo olimba a induction amathandizira kukana kuvala chifukwa cha kuuma kwapamwamba komanso kusakhala ndi decarburization.

3) Kukana kwamphamvu kwa magawo olimba a induction opangidwa ndi chitsulo chapakati cha kaboni ndi chotsika kuposa cha magawo olimba opangidwa ndi carburized chifukwa cha kuuma kwapamtunda komanso kukhala ndi kaboni.