After the welding is completed, the result needs to be inspected due to a variety of reasons. One of the most fundamental reasons is to determine whether the weld meets the standards for its intended use or not. It is necessary to have a form of measurement and a set of criteria to evaluate the weld’s characteristics. Therefore, often a qualified individual is hired to perform the evaluation. Evaluation of weld characteristics includes the size of the weld and the presence of discontinuities. The size of a weld can be extremely important, as it often correlates directly to the strength and associated performance.

In general, there are three main types of NDE methods for weld monitoring: optical-based, thermal-based, and acoustical/ultrasonic-based. The optical detector (e.g., CCD or CMOS camera, ultraviolet) is one of the most widely used methods for monitoring the welding process because of its relative simplicity and efficiency.

The helmet has to protect the welder against the ultraviolet rays of the welding arc. When striking an arc, the arc sensors on the helmet will sense the flash and auto-adjust the polarization filters and the LC-cell layers. The LC-cell layers will twist to reflect more light. You will notice an immediate change in the darkening level, adjusting light sensitivity. When you stop welding, the same arc sensors that pick up on the arc will notice the lack of light and make changes to lighten the lens.

Welding defects can be classified into two types, external and internal defects and our helmet can detect both. The defect may be the result of a difference in the desired weld’s bead shape, size, and intended quality. Welding defects may occur either outside or inside the weld metal. Some of the defects may be allowed if they are below permissible limits however other flaws such as cracks are never acceptable.

Helios is an AI-powered helmet that provides real-time welding defect inspection using on-device processing (edge computing) approach. Our helmet can reduce costs, boost welders’ productivity, and improve safety during and after the welding process.

No, our helmets are not heavier. Helios helmets are designed to be comfortable and not to put too much pressure on the neck and shoulders. It is possible to wear them for extended periods without any discomfort. While the weight does not differ much from regular helmets, the pressure is distributed equally on the head because of its unique design. Furthermore, the helmet meets all Canadian safety standards.

To store data for future evaluations, users can choose either cloud storage or local storage.

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