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首页> 外文会议>ASME(American Society of Mechanical Engineers) Pressure Vessels and Piping Conference 2006 vol.5: High-Pressure Technology... >AN OVERVIEW OF GMAW INCLUDING APPLICATIONS, COMMON PROBLEMS AND SOLUTIONS
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AN OVERVIEW OF GMAW INCLUDING APPLICATIONS, COMMON PROBLEMS AND SOLUTIONS

机译：GMAW概述，包括应用程序，常见问题和解决方案

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摘要

Gas Metal Arc Welding (GMAW) is said to be one of the easiest welding processes to learn and use. Because of its high deposition rates and little post-weld cleaning required, GMAW is a popular choice for a variety of applications including almost all commercially important metals. Another factor contributing to the widespread use of GMAW is the various modes of metal transfer including short circuit, spray, surface tension transfer (STT), etc. These different modes of transfer enable GMAW to be tailored to different situations. For instance, some applications may require deep penetration or other applications may be for welding very thin sections. However, these factors along with others may result in inferior welds if not monitored closely. Problems such as weld porosity, lack of fusion, and lack of shielding gas coverage can all lead to inadequate welds which can lead to larger problems if not corrected. Many common drawbacks to the GMAW process can be remedied quite easily with proper time and attention. Taking the time and effort to produce a sound weld may, however, negate the superior deposition rates of GMAW thereby limiting its use to fewer applications. This welding process can be extremely effective when used properly. However, the key is to not sacrifice weld quality for the sake of production. GMAW applications, modes of transfer, along with common problems and solutions associated with the process will all be discussed and detailed.
机译：据说，气体保护电弧焊（GMAW）是最容易学习和使用的焊接工艺之一。由于其高的沉积速率和焊接后的清洁需求，GMAW是包括几乎所有商业上重要的金属在内的各种应用的流行选择。促使GMAW广泛使用的另一个因素是金属转移的各种方式，包括短路，喷涂，表面张力转移（STT）等。这些不同的转移方式使GMAW能够适应不同的情况。例如，某些应用可能需要深熔，而其他应用可能用于焊接非常薄的部分。但是，如果不严密监控，这些因素以及其他因素可能导致焊接质量下降。诸如焊接孔隙率，缺乏熔合和保护气体覆盖范围不足之类的问题都可能导致焊接不充分，如果不加以纠正，可能导致更大的问题。只要花费适当的时间和精力，就可以很容易地弥补GMAW工艺的许多常见缺陷。然而，花费时间和精力进行良好的焊接可能会抵消GMAW的优异沉积速率，从而将其用于较少的应用。正确使用此焊接工艺会非常有效。但是，关键是不要为了生产而牺牲焊接质量。 GMAW应用程序，传输方式以及与该过程相关的常见问题和解决方案都将进行讨论和详细介绍。

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