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采用渗硼后淬火回火复合表面强化工艺，对LZ－C型螺纹钢丝冷轧机轧辊进行了热处理，经热处理后的轧辊表面硬度大大提高达HV_(0.2)1140。其耐磨性明显增加，使用寿命显著提高。
Adopting quenching and tempering composite surface strengthening technology after boronizing, the roll of LZ-C thread steel cold rolling mill was heat-treated, and the surface hardness of the roll after heat treatment was greatly improved up to HV_ (0.2) 1140. Its wear resistance increased significantly, the service life increased significantly.