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Author:

方臣富 (方臣富.) | 俞加俊 (俞加俊.) | 陈树君 (陈树君.) (Scholars:陈树君) | 宋永伦 (宋永伦.)

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CQVIP PKU CSCD

Abstract:

采用高速录像系统、记忆示波器同步实时采集变极性氩弧(VPTIG)焊接电流、电弧形态信息,比较分析了VPTIG焊接电流频率、直流电极接负(DCEN)时间和直流电极接正(DCEP)时间、DCEN及DCEP电流幅值5个参数对电弧形态及焊缝质量的影响.结果表明,通过调节以上5个参数,可以控制电弧形态、电弧力及焊接热输入,从而控制熔深及焊缝正反面成形;控制焊缝两侧清理区宽度;减少钨极烧损.采用平板对接低频脉冲调制铝合金VPTIG焊接工艺,单道焊熔深可达6 mm,焊缝成形良好、质量可靠.

Keyword:

电弧形态 焊缝质量 焊接电流 变极性氩弧焊

Author Community:

  • [ 1 ] [方臣富]江苏科技大学
  • [ 2 ] [俞加俊]江苏科技大学
  • [ 3 ] [陈树君]北京工业大学
  • [ 4 ] [宋永伦]北京工业大学

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Source :

焊接学报

ISSN: 0253-360X

Year: 2007

Issue: 12

Volume: 28

Page: 21-25

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 19

Chinese Cited Count:

30 Days PV: 0

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