Grinding is expensive. If the weld CAN be designed to be stronger than needed, it is cheaper and faster to do this than to grind out any potential stress risers. Full penetration welds are often ground, not just for cosmetic and fuctional reasons (flush surface needed in service), but to remove stress risers.

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Initial weld grinding The first stage of weld finishing is the same; the removal of excess stock from the weld itself. The aim here is to grind the joint down to a level and continuous surface with the rest of the parent metal.

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Sparks from grinding operations are not bright compared to a welding arc, but are picked up by arc sensors. If the helmet detects sparks while in weld mode, it will darken to a solid black screen. By switching to grind mode, you disable the auto …

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I recently used a 60 grit cubitron fiber disc to remove welds on an exhaust assembly. This stuff is unreal. And it's especially good for OPs use case because there's a lot less sparks flying around while being faster then the "conventional" options. To remove typical welds …

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And I don't mean grinding a stop on a cap. We did this all the time while welding 40" pipe for the Oil Sands Refinery. If we didn't it would cast a "shadow" on the RT film and we would end up grinding it out anyway. What I mean is the welder welding too much reinforcement, grinding below 1/8" and leaving the weld.

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Weld grinding is an important step in many metal fabrication processes, and cleanly removing the excess weld metal requires an abrasive that can be used both quickly and carefully. 3M has weld grinding solutions for every project and skill level. Whether …

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A 'weld symbol' is similar but different in that it is one specific symbol for one specific kind of weld. In my article on the different types of welds I showed you the 5 basic welds: fillet, groove, surfacing, plug, and slot. There is a specific weld symbol for each of these weld types, which is just one small part of the entire welding symbol.

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Answer (1 of 18): There are some obvious reasons as to why weld seams are ground once finished: Image Source 1. Better appearances are achieved if the weld seam is flush with the surface, especially in case of butt joints. Look at the image above. However, you may choose to skip grinding to sho...

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In the welding industry, grinding is just one of the necessary evils you have to utilize. It's a time-consuming process, and most people dislike doing it, but you must grind if you hope to create the best quality welds possible.

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GRINDING WELDS ON BODY PANELS. Welding body panel in itself can be tricky if you are new to welding, I would not recommend grinding your welds when dealing with thin sheet metals or body panels unless that part of the weld …

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Grinding is not good at times,it weakens your welding,welding is a skill/ art people mst see the outcome.so if u grind your welding I wouldn't call …

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GRINDING WELDS ON BODY PANELS. Welding body panel in itself can be tricky if you are new to welding, I would not recommend grinding your welds when dealing with thin sheet metals or body panels unless that part of the weld is going to be visible.

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This will describing how you blend out weld on a flat surface. The first step is to have a good weld; good Fit up (parts need to be aligned perfectly before ...

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Blending the weld to the parent material without overgrinding. Small work areas where a small angle grinder is the tool of choice. Coated abrasive flap discs. Product life and cut rate combination important. Conformability to the weld to blend into the parent material where grinding on either side of the weld is allowable

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In fact there are plenty of actual reasons to grind a weld. From friction reduction inside pipe/chutes/scuppers, to removing places for bugs/bacteria to hide. If you're just showing off how good you are then no it's not okay, your weld should speak for itself. View Entire Discussion (58 Comments) r/Welding.

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The burr grinding technique is illustrated in Figure 5. The most significant improvement from this technique is probably related to the removal of welding-induced geometry and flaws near the weld toe; typical weld defects such as cold lap and undercut can be completely removed by these methods. Changing the weld toe radius from 0.004 inches to ...

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Answer (1 of 18): There are some obvious reasons as to why weld seams are ground once finished: Image Source 1. Better appearances are achieved if the weld seam is flush with the surface, especially in case of butt joints. Look at the image above. However, you may choose to skip grinding to sho...

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