The surface of the guide wheel of the track drag chain plate is uniformly quenched

Qhov saum npoo ntawm daim ntawv qhia lub log ntawm txoj hlua rub lub phaj yog uniformly quenched, nrog ib txoj kab uas hla ntawm 800, thiab ib txheej hardened (tsis muaj ntau, tsis tsawg)

± 25mm, qhov tob ntawm cov txheej txheem hloov pauv tsawg dua 2, thiab qhov hardness yog 48. Tsis tas yuav siv txoj siv mos.