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Aluminum profiles are produced in all shapes and sizes.
Often, these profiles can be very difficult to machine, because of the various shapes, sizes, number of operations required and cycle times needed. When a profile shape will not allow the holes to be punched and cycle time makes producing the parts on machining centers impractical, Suhner, with its modular design and broad assortment of spindle options, can now offer processors an ideal solution to their machining needs.
Suhner’s line of spindles for Profile Machining includes the popular MONOmaster Electric Driven, Pneumatic Feed Units, ranging in size from the smallest BEM-3 unit, capable of drilling up to a 3mm hole in mild steel, up to the BEM-28 unit, capable of drilling up to 28mm in mild steel and having 200mm of controlled stroke. Many of the units in the MONOmaster line are available with other options, such as inline, direct drive units for the BEM-6 and 12S, as well as 1:4 speed increasers for the BEM-6 &6D units capable of speeds up to 14,400 RPMs @ 60 Hz. With the larger BEM12 & 12D units, the option of 4:1, or 16:1 gear reduction is available, giving RPM speeds as slow as 40 RPMs @ 60 Hz.
Suhner also offers the MULTImaster line of flexible shaft driven units, a feature not currently offered by any other spindle manufacturer. These units are driven by Suhner flexible shafts and are ideal in areas where spacing is a critical concern. The smaller BEW-3 unit allows spacing as close as 48mm center to center. The BEW-6 unit, as close as 55mm center to center and the larger BEW-12 unit, as close as 75mm center to center, are also available. Using these units with Suhner’s VG System, users can drive up to (8) spindles with a single motor.
For high precision, tough applications, Suhner offers the POWERmaster line of spindles. This includes the BEX-15 & BEX-35 machining units, capable of running at speeds up to 23,000 RPM’s. These are block units, capable of milling, drilling and sawing operations. Suhner also offers a complete line of slide products to provide the feed movement for the block spindles. These slides are available in pneumatic or ball screw feed design, for either servo or gear motors.
Also very popular in the machining of aluminum profiles is Suhner’s line of adjustable and fixed spindle multi-heads for drilling special hole patterns or hole spacing where spindles are too large to fit into the required spacing for the center to center distances needed. Suhner’s line of special fixed spindle multi-heads is built in Rome, Georgia and often can be built to spec in less than six weeks.
A typical machine used by a major automotive roof rack manufacturer incorporates many of these Suhner items to produce the long bars for a Ford Escape roof rack.
This machine uses Suhner BEW-6 units to drill 6mm holes from the front and back side of the part, where electric spindles will not fit. BEM-12 motorized units, with special fixed spindle multi-heads are being used to produce 8mm diameter holes that are too close for even the smallest spindles to produce, when mounted side by side. Suhner’s BEX-35 PowerMaster units are used at each end of the part to saw the part to length (Under Yellow Covers). All these operations are ongoing at the same time to produce complete machined parts in seconds, a feat impossible to do on any conventional CNC machining center.
With Suhner’s modular spindle design and machining capabilities, most every need of the aluminum profile industry can be met in every market segment, whether automotive, industrial, solar, aerospace, military or commercial aviation.