Overcoming Crane Dependency: Speeding Up Heavy Fabrication with Welding Positioners

In heavy fabrication, where welding is one of the most important operations, imagine halting production or the entire process so that an overhead crane could come in and reposition the weldment… This is the exact kind of inconvenience that slowly adds into lost time—stopping work for the overhead crane to handle the repositioning work in welding is not ideal in an industry that relies on speed and accuracy.

Safety and Risk Factor

Using a crane for flipping heavy assemblies is a slow and risky process that requires a lot of steps done perfectly every single time. The rigging setup has to be near perfect, and on top of it all, straps are always at risk of failing, and loads may swing out of course, making these heavy metal parts hanging overhead a risky task. When all your heavy fabrication welding is crane-assisted, anything can—and it will—go wrong at any given point of time, considering the kind of preparation it requires.

The Financial Cost of Crane Idle Time

The time you spend waiting around for the crane to arrive is wasted time—the operator and the welder both need to sit it through while the crane is getting rigged up and set up step by step. Just imagine how much time it will add up to in a year, from all the repeated downtime, repositioning setups, waiting for equipment, and rerigging. Just because the time is spread out in between tasks does not mean it doesn’t add up to an unimaginably bigger downtime over the course of a year.

And this is exactly why welding positioners are strongly recommended across heavy fabrication landscapes.

How Welding Positioners Work

In comparison with the overhead crane, the welding positioner outperforms it any given day because of specific qualities. It features a superior motor-driven rotation function along with up to 135 degrees of tilting ability and effortlessly brings weldments to any given point. With a turntable where only a horizontal rotational axis is possible, the welding positioner can rotate and tilt with controlled precision, making the job easier and continuous for workers across workplaces.

Achieving a 1G Downhand Position

With the positioners, you can handle every joint in downhand welding positions without the help of the crane. Correct positions equal faster and more efficient welding, resulting in a much stronger disposition, all done in a fraction of the time it would otherwise take with a crane.

Eliminating Workpiece Damage

More than the safety of the people at the shop, the crane flip can cause serious damage to the parts as well. Crane flips and positionings are bound to cause sudden movements, load swings, and sometimes awkward lifting—all of this combined can scratch, dent, or shock a workpiece and compromise its structural integrity.

Freeing Up Crane Capacity for Critical Material Handling

When the welding positioner takes over, the crane can no more be used for part-flipping so that it can be focused on the real tasks it’s needed for—loading new material, unloading finished parts, and moving shipments. This means that beyond depending on the crane for lifting and positioning operations, welding and material handling can go hand-in-hand.

Sizing the Right Positioner

What are the main qualifiers of a good positioner? Is it load capacity? Weight capacity matters, but the center of gravity matters as much along with the offset distance. If one part is unevenly balanced, even when the weight is technically under capacity, it can strain the positioner. So, it is really important to match the machine to the actual shape and balance of your workpieces.

Conclusion

Using cranes for welding parts positioning and flipping can cause downtime and injuries and can send costs out the window when looked at from a time perspective. If you replace that task with a welding positioner, you save time, increase the safety of both the personnel and the workpiece, and save costs.

If your business requires a reliable welding positioner, talk to our experts at Redrock and find the ideal positioner setup for your workplace today.