For those who want to form complex precision sheet metal parts like cassettes, panels, and boxes profitability even in small batches, the XLTbend is a perfect fit. The XLTbend is a incredibly flexible UpDown folding machine. The revolutionary Bendex software for automatic programming of the bending sequence, front and rear operating options, ViN laser loading assistance, as well as the hybrid gauging system are outstanding features of the XLT series.
The XLTbend can be operated from the front and from the rear. With the new and double-monitoring safety system, even a front operation with UpDown bending technology is possible.
The patented “Beam-in-Beam” concept reduces the deflection of the folding beam to a minimum. This design achieves incredibly straight bends. An additional crowning axis is completely unnecessary, and the folding beam can be used as a stop in the pivoted 90 degree position. The adjustments for sheet thickness and bend radius are also performed automatically.
In the standard version, the XLTbend comes with an upper beam that rises straight up.
Some profiles in the roof-wall-facade industry require additional clearance in front of the upper beam. This upper beam shape can also be beneficial when bending metal wrappers.
The RAS hybrid comes with a combination of stop fingers and suction cups. The stop fingers position the workpiece on the bending line. At the same time, suction cups hold the blank at the stop finger so that subsequent bends can be made without operator intervention. After one side of the part is finished, the suction cups pull the part back to the operator when working from the gauging system. This allows the operator to rotate and position the part conveniently. The modular gauging system concept allows a choice of a rectangular or an extended T-shape gauging system.
The ViN (Virtual Navigator) shows the operator the exact part loading position with an intelligent laser beam. The software calculates the position of the visible edge of the blank in accordance with the actual tool setup. When working from the gauging system, smaller parts can be easily loaded at the end of the gauging table (support function).
RAS has created a maximum free space in front of and behind the upper beam tools of the XLTbend. With tools up to 400 mm tall, the XLTbend is ready for all applications. A variety of folding beam tool are available for the smallest Z dimensions or thicker materials. Nevertheless, many users just need a single set of tools for their entire production range.
The SnapTool corner tools with a hinged foot automatically retract from parts with side flanges. The hinged foot moves down when the upper beam opens and snaps back into the working position as soon as the tool has moved out of the bent part.
For some materials, material manufacturers recommend the use of radius tools. The larger bending radius avoids cracks on the material surface. Especially when bending thick aluminum, the radius tools lead to excellent bending results. For machines with UpDown bending technology, such as the XLTbend, the tools of the upper beam and the lower beam should have a radius.
In contrast to press brake bending, which usually leaves clearly visible pressure and scratch marks next to the bending line, metal folding can also be described as gentle forming. This makes a considerable difference in quality for parts with a demand on the optical finish. However, if upper beam tools with a radius are used instead of sharp tools, the sliding section of the folding beam tool on the material surface will be also longer. In such applications folding beam tools with a plastic insert avoid pressure marks on high-quality material surfaces.
On metal folding parts with inside bends , the folding beam often cannot pivot to the programmed angle. The folding beam would be destroyed the part during its movement to the 90 degree angle. In such cases, incline folding beam tools are used. By the shape of the tool, the material will be pre-formed, while the upper beam clamps the part. The folding beam therefore only needs to pivot the remaining angular degrees to create a 90-degree bend. The body of the olding beam remains below the horizontal protruding part.
With the DownTools in the folding beam, interrupted flanges can be bent without an additional tool setup. Simply move down the DownTool manually. The software programs the position of the DownTools and allows access for down or up positioning during the bending sequence. The DownTools can be used for:
Some applications require additional free space in front of the folding beam tools. The XL folding beam tools provide the additional space for these applications. They are available for tool widths of 8, 10, 12, 14 and 18 mm.
Sometimes the clearance for negative flanges is needed on the rear end. A special folding beam tool with the XL clearance on the back side offers the solution in this case. [Video]
Optional higher folding beam tools can be added to the RAS XLTbend up-down folding machine. If, in some situations, more free space is required between the upper edge of the folding beam tools and the body of the folding beam, these higher tools expand the range of applications for the machine.
Where experience and expertise were formerly required for programming, this intelligence is embedded in the machine software. Either the operator on the floor or the engineer in the office directly imports STEP, DXF, or GEO files … and that is it! A simple mouse click is all that is required to program the complete setup and bend sequence automatically.
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