泰安揚帆數控科技有限公司
在這里我們繼續跟大家分享下手工電弧焊的內部缺陷。
Here we continue to share with you the internal defects of manual arc welding.
內部缺陷主要有氣孔,夾渣,裂紋,未融合等,如圖所示,其中裂紋,未焊透及未融合也部分存在于表面,但均向焊縫內部延伸,其主要影響是作用于內部。
The internal defects include porosity, slag, crack, lack of fusion, as shown in the figure, the crack, lack of penetration and lack of fusion also exists on the surface, but to weld internal extension, its main effect is in the role of internal.
氣孔 焊接生產中*常見的一種缺陷,可分為表面氣孔與內氣孔,但主要是內氣孔,根據分布的情況不同,又可分為疏散氣孔、密集氣孔和連續氣孔,氣孔的大小差異也很大。
One of the most common defects in the production of welding can be divided into surface pores, pores and stomata, but mainly in the hole, according to the distribution of the different, can be divided into the evacuation hole, and continuous pore porosity, pore size have great difference.
氣孔的存在焊縫強度影響比較大,它使焊縫有效的工作面積減少,從而降低抗外載能力,特別對彎曲和沖擊韌性影響較大,而連續氣孔則是導致結構破斷的原因之一。
The presence of porosity and weld strength impact is relatively large, which make the weld effective working area is reduced, thereby reducing the anti load capacity, especially a greater impact on the bending and impact toughness, and continuous porosity is one of the leading causes of structure breaking.
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泰安揚帆數控科技有限公司
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