Can A Cracked Rim Be Welded?
Vehicle rims do get cracked often after hitting obstacles on the road or driving through potholes at top speeds. Though drivers can’t really stop that from happening completely, they can still manage to reduce the incidence of cracking rims through careful driving, in order to minimize the impact on their wheels. So, what happens if your rim gets cracked? Broadly speaking, cracked rims can be welded, but only if certain conditions are met and the right people to undertake the repairs are on hand. The size of the crack, depth and direction are all important in whether you should weld a rim or not. To start with, it is just not advisable to attempt mending a cracked rim, particularly if the crack is wide to some extent. For this reason, it is highly recommended that you replace the wheel completely because there is just not any guarantee with a cracked rim. For example, a cracked rim is at best compromised, and consequently, its structural integrity can’t be relied upon as would have been the case previously. This is akin to cracks in the spokes of a wheel. Most significantly, you are not under any circumstances advised to weld cracks in the inside barrel of a rim, though if you must, you can manage to weld small cracks on its surface, since cracks in this place can be easily opened up for welding. This means that all cracks in inaccessible places should not be welded. Even after very careful mending of a cracked rim, there are still limitations to how much distance or stress you can make it to bear.(Read Also: How Long Can You Drive On A Bent Rim?) Why do my rims keep cracking? The most common causes of repeated rim cracking are driving across hard obstacles on the road, hitting a pothole or ramming the vehicle against a curb. Driving on a flat tire especially across bumps on the road can also cause repeated rim cracking. It is therefore important that you keep checking your wheels regularly for early detection of any malfunction whatsoever. Why do aluminium wheels crack? Aluminium wheels crack commonly due to the kinds of stress that afflict other wheels too. Consequently, aluminium wheels can crack from impact with potholes, road debris, and other hazards too. They may also bend sometimes, even if they don’t crack. Trending Searches Can I Use Fix A Flat For A Slow Leak? Can You Get A Flat Tire From Hitting A Curb? How Do You Use The Acura Flat Tire Repair Kit? How do you fix a cracked rim? Before you initiate any rim welding, make sure that it is of the repairable size, at a place you can easily reach, as well as whether the metallic substance of the rim is one that can take welding. For example, aluminum wheels are more difficult to weld than most other metals for different reasons. Assess all this before you embark on any rim repairs. Fixing a rim with a small crack take a few careful steps and procedures, which you can’t execute rashly or without being constantly on guard. The following steps will suffice for this purpose: Step 1 First, you should judge or assess the extent or severity of the damage and decide upon your finding whether it is logical to carry out any rim repairs or not. Essentially, for any crack more than one on the inside edge of the rim, it is better to replace the rim and not to conduct any repairs. Similarly, if the crack is more than one anywhere on the rim, you should replace it too, and so should you for bent wheels as well. Furthermore, for any wheel that has undergone previous repairs, replace it too. (Read Also: Can You Put A New Tire On A Bent Rim?) Step 2 Some of the tools needed for this repair work are a large hacksaw, oval file, flat file, rasp file, small round file, and large round file. Others are 80 to 100 grit Emery sandpaper, 320 grit Emery sandpaper, WD 40, thinners, black marker pen, drill and drill bits. You also need a hammer, small flat chisel or screwdriver, small belt sander, TLG welder 150 amps and 1.52 mm alloy rod with 5 to 10 per cent magnesium, chain or sling, nut and long bolt. First, you should hold the alloy wheel to be mended in place, after inspection of the crack and saw it down on one side of the crack. Now, using a screwdriver or a flat punch, tease it out by tapping it with a hammer before you drill a hole at the end of the crack with a 13 mm drill, slowly but not right clean through. Do the same to the underside as well. This will basically enhance the weldability of the wheel. Step 3 This step involves welding with a tig. Start welding at the inside of the wheel, at the point of your first drill in a circular motion. Step 4 Here, you will test the wheel after finishing the repairs by checking for any visual signs of any crack using a black marker and a little drop of thinner. Also, you may test its sound with a hammer gently. If it gives a dull crack sound, it is still cracked, but if it is a constant ringing sound until it diminishes, it shows that the wheel has been well repaired. Is it safe to weld a cracked alloy rim? Yes, it can be safe, if the crack is small and non-structural. Where the crack is large and has affected the structural integrity of the wheel, it is not safe to weld it. In such a situation, the best option is to simply replace the rim with a new one, for both your safety and that of the vehicle too. Is it safe to drive on a cracked wheel? No, it is definitely not safe to drive on a cracked wheel at all. For … Read more





