When we hear the term, ‘helmet’ usually a hollow spherical thing of plastic pops up in our minds. They are best suited for outdoor welding tasks because they block more sunlight than conventional helmets. These pancake helmets find their application during pipeline welding. Welders usually use the term ‘balsa box’ for this eye strap. The eye strap of these helmets is like a lid that opens and shuts. These welding helmets are named ‘pancake’ because of their flat circular face. Uniquely designed pancake helmets are one of the lightest helmets because they comprise balsa wood. If you work on a specific metal through the same welding process, you can buy a helmet with an appropriate fixed shade. There is a wide range of such helmets with different shades of lenses.
Fixed Shade Lens Welding Helmets:Īuto-darkening welding helmets also come with fixed shades.
If your base metal and welding technique remain the same in most of your tasks, you need not buy this expensive helmet. In welding, the shade variation lies between #8 to #13.Īlthough they are expensive but one helmet can serve you for any welding process. Once you begin working, the LCD controlled by light sensors darkens your view to protect your eyes. When you put on this helmet, you see everything. Amazingly, some helmets are capable of switching shades 10,000 times in one second. These helmets have an auto-darkening filter (ADF) that senses the concentration of rays produced in the arc and hence, adjusts the lens shade itself. Auto-Darkening Welding Helmets:Īuto-darkening welding helmets appear to be a blessing nowadays because they act as catalysts for quick and efficient work. Their durability is another feature worth appreciating. Moreover, the lens is also cheap so, you can replace the lens of desired shade according to your task. Professionals prefer such passive helmets because they are lightweight and low cost adds to their affordability. And hence, these helmets are not recommended for amateurs. Therefore, you have to remove it regularly to check the quality of the arc. Usually, manufacturers use the dark lens with shade #10 for passive welding helmets. Being passive equipment, they do not have any power source and have fixed lens shade. These helmets are some of the cheapest helmets available in the market.
0 kommentar(er)
