The quality of back chipping is not only in relation to the quality of final welding seam, but also the schedule and cost of the whole project.

清根质量好坏不仅关系到焊缝的最终质量，同时还影响工程的进度和成本。

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Therefore, the law of welding seam back chipping was studied based on the newly developed automatic back chipping machine with a disk-type non-consumable electrode.

因此，本文基于新研制的非熔化盘式电极自动清根技术，对焊缝清根规律进行了研究。

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The research of back chipping can be basis of processes planning and technology parameters optimization. Meanwhile, it will be a theory foundation for the subsequent welding.

清根规律的研究，不仅能够为工艺制定和优化清根工艺参数提供依据，也为后续焊接过程做好基础理论准备。

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The research of back chipping can be basis of processes planning and technology parameters optimization. Meanwhile, it will be a theory foundation for the subsequent welding.

清根规律的研究，不仅能够为工艺制定和优化清根工艺参数提供依据，也为后续焊接过程做好基础理论准备。

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