A useful method for adjusting the micro-cutting depth when machining holes on a round bar is presented.

介绍了一种方便实用、可在加工外圆、内孔时进行切深微量调节的方法。

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To enhance product quality, measures of changing selvage stitch, adjusting shed closing time and tension bar were done, and the first grade rate in storage can reach to 98.8%.

为了提高产品质量，通过改变边组织、调整梭口闭合时间、调节张力片张力等措施，使入库一等品率达98.8%。

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The results show that producing HRB400 reinforced bar can substitute low alloy for conventional V microalloy process by composition adjusting and rational cooling control after rolling.

结果表明，通过成分调整和合理的轧后控冷，能够用低合金替代传统的V微合金化工艺进行HRB400螺纹钢筋的生产。

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