shielded arc welding

简明释义

保护式电弧焊

英英释义

例句

1.In the automotive industry, shielded arc welding is commonly employed for assembling parts.

在汽车工业中，保护弧焊通常用于组装零件。

2.The construction team used shielded arc welding to join the steel beams securely.

施工队使用保护弧焊安全地连接钢梁。

3.For heavy machinery repairs, shielded arc welding provides strong and durable joints.

对于重型机械维修，保护弧焊提供强大而耐用的接头。

4.The shipyard specializes in shielded arc welding for constructing large vessels.

造船厂专注于为建造大型船只进行保护弧焊。

5.The welder demonstrated shielded arc welding techniques during the training session.

焊工在培训课程中演示了保护弧焊技术。

作文

Shielded arc welding is a widely used technique in the field of metal fabrication and repair. This method employs an electric arc to melt the base metals and filler material, creating a strong bond once cooled. The term 'shielded' refers to the protective atmosphere created during the welding process, which helps prevent contamination from atmospheric gases. This protection is essential for achieving high-quality welds, especially when working with reactive metals such as aluminum or stainless steel.The process begins with the setup of the welding equipment, which includes a power source, electrodes, and a shielding gas supply. The welder must select the appropriate type of electrode based on the materials being joined. For example, a tungsten electrode is often used for non-consumable applications, while a consumable electrode may be preferred for thicker materials.Once the equipment is ready, the welder initiates the arc by bringing the electrode close to the workpiece. The electric current flows through the electrode, generating intense heat that melts the metal. As the welder moves the electrode along the joint, molten metal forms a pool that fuses the pieces together. The shielding gas, typically argon or helium, envelops the weld area, protecting it from oxidation and other impurities.One of the significant advantages of shielded arc welding (电弧焊) is its versatility. It can be used on various metals and alloys, making it suitable for numerous applications in industries such as construction, automotive, and aerospace. Additionally, this technique allows for deep penetration, resulting in strong joints that can withstand significant stress.However, shielded arc welding (电弧焊) also has its challenges. Proper technique is crucial to avoid defects such as porosity, undercutting, and incomplete fusion. Welders must be skilled in controlling the arc length, travel speed, and angle to produce a clean and effective weld. Moreover, safety precautions are paramount, as the process generates intense light and heat, which can be hazardous without appropriate protective gear.In conclusion, shielded arc welding (电弧焊) is a vital process in modern manufacturing and repair operations. Its ability to create strong, durable welds makes it an essential skill for welders. Understanding the principles and techniques involved in this method is crucial for anyone looking to excel in the field of metalworking. As technology continues to advance, the methods and equipment used in shielded arc welding (电弧焊) will also evolve, offering new possibilities for innovation and efficiency in welding practices.

电弧焊是一种广泛应用于金属加工和修复领域的技术。这种方法利用电弧熔化基材和填充材料，冷却后形成强大的结合。术语“防护”指的是在焊接过程中产生的保护气氛，这有助于防止大气气体的污染。这种保护对于实现高质量焊接至关重要，特别是在处理铝或不锈钢等反应性金属时。该过程始于焊接设备的设置，包括电源、电极和保护气体供应。焊工必须根据所连接的材料选择适当类型的电极。例如，钨电极通常用于不可消耗的应用，而可消耗电极可能更适合较厚的材料。一旦设备准备就绪，焊工通过将电极靠近工件来启动电弧。电流通过电极流动，产生强烈的热量，使金属熔化。当焊工沿着接头移动电极时，熔融金属形成一个池，融合在一起。保护气体，通常是氩气或氦气，包裹着焊接区域，保护其不受氧化和其他杂质的影响。电弧焊（shielded arc welding）的一大优势是其多功能性。它可以用于各种金属和合金，使其适合建筑、汽车和航空航天等多个行业的应用。此外，这种技术允许深度穿透，从而产生能够承受重大压力的强大接头。然而，电弧焊（shielded arc welding）也面临挑战。正确的技术对于避免孔隙、切割不足和未完全熔合等缺陷至关重要。焊工必须熟练控制电弧长度、行进速度和角度，以产生干净有效的焊接。此外，由于该过程产生强烈的光和热，因此安全预防措施至关重要，没有适当的保护装备可能会带来危险。总之，电弧焊（shielded arc welding）是现代制造和修复操作中的重要过程。其创造强大耐用焊接的能力使其成为焊工必备的技能。理解这一方法中涉及的原理和技术对于任何希望在金属加工领域取得成功的人来说至关重要。随着技术的不断进步，电弧焊（shielded arc welding）中使用的方法和设备也将不断演变，为焊接实践中的创新和效率提供新的可能性。