对压缩空气的要求
Steady pressure and eno ugh air volume that pressure value is 0.4MPa-0.6MPa. Compressed air shall not contain moisture content so much that the moisture causes gougi ng quality badly
本程序规定了碳弧气刨的要求。
1.
参考资料
AWS D1.1 Curre nt versio n. Structural Weldi ng Code-Steel
AWS D1.1现行版本，钢结构焊接规范
ASME Sec.IXCurre nt Vers ion, Qualificati on sta ndard for weldi ng procedures, welders and weldi ng operators
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1=(3 0〜50)D
In formula, I: curre nt(A) D: diameter of carb on electrode(mm)
对于圆碳棒，碳刨电流也可根据以下经验公式进行选择
I=(3 0Leabharlann 50)D式中I:电流(A)D:碳棒直径(mm)
4.2Whe n remov ing weldi ng defect, that lower curre nt is recomme nded in order to decrease gougi ng rate and thick ness for finding defect.
导电性良好，压缩空气吹出来集中，碳棒夹持牢靠，更换方便，外壳绝缘好，灵巧，使用方便等。
3.3Power Source
电源
Direct Curre nt Electrode Positive (DCEP) is usually adopted.
一般米用直流反接法。
3.4Requireme nts of compressed air
所有从事碳刨的人员应进行专业培训。
The gougi ng may be adopted to remove the weld root from the back side, or to remove defects discovered in welds, or bevel the metals sometimes
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Contents
0.Scope适用范围3
1.REFERENCE DOCUMENTS参考资料•
2.GENERAL综述•
3.MATERIAL AND EQUIPMENT材料和设备•
4.PROCEDURE工艺•
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0. SCOPE
适用范围
This procedure is to defi ne the requireme nts of carb on arc air gougi ng
碳刨可应用于焊缝背部清根，去除焊缝缺陷，削斜。
3.
材料和设备
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3.1 Requireme nts of carb on electrode
碳棒要求
Carb on electrode should be with high temperature resista nee and electrical con ductivity, and is not to fracture easily. The sect ion face is fine. Carbon electrodes copperized are ofte n used actually
压力稳定，风量大。应达到0.4MPa-0.6MPa的压力，不应有影响刨槽质量的明显水分。
4.
工艺
4.1Gougi ng to be performed at the dockyard or at the workshop by manual process with round or recta ngle carb on electrodes, should follow below parameters:
综述
All performa nces of carb on arc air gougi ng shall comply with the requireme nts of this procedure in any case.
无论何时碳刨操作都应遵照本工艺的要求。
All pers onal en gaged in the gougi ng should be trained professi on ally
碳刨应按照下述方法进行：
在船坞内或车间内手工使用圆形或矩形碳棒进行，电流参数如下：
Carbon electrode size
碳棒规格
06
08
5x18
Amps. Range
电流范围
180-280 A
300-400 A
350-400 A
For round carb on electrodes, gougi ng curre nt may be con firmed as per the follow ing empirical formula
耐高温，导电性能好，不易断裂，断面组成细致。一般采用镀铜实心碳棒。
3.2Requireme nts of holder
对碳弧气刨手把的要求
The Holder with good electrical conductivity is required, and compressed air spraying from it shall be concentrated. Carbon electrodes can be clamped firmly and replaced easily. Its shell shall be in sulated. It can be used facilely.
ASME Sec. IX现行版本，焊接工艺、焊工和焊接操作者评定标准
D.PR.32 Weldi ng
D.PR.32焊接
CB/Z 67-73 Tech ni cal Con diti ons of using carb on arc air gougi ng
CB/Z 67-73碳弧气刨使用技术条件
2.