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锯片是石材加工的主要工具。大径（1．6mm）圆锯片的淬火加热，目前我国还大都采用大功率（600kW）的盐浴炉，由于炉温上下不均匀温差较大，致使其组织、晶粒、硬度不均匀，在同一圆周上应力分布不一样，质量不稳定。鉴于此，我们对65Mn钢制1584（7．2±0．25）mm锯片基体，采
Saw is the main tool for stone processing. Large diameter (1.6mm) circular saw blade quenching and heating, at present, most of our country also use high-power (600kW) salt bath furnace, due to uneven temperature difference between the upper and lower furnace temperature, resulting in the organization, grain, hardness uneven, In the same circle on the stress distribution is not the same, the quality is not stable. In view of this, we take 65Mn steel 1584 (7.2 ± 0.25) mm saw blade base mining