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All links and frame are precision CNC machined from 3/4 inch and 1 inch thick steel. All pins are high strength steel. The hydraulic cylinder for instance, swivels in a solid CNC machined steel block that pivots exactly at the cylinder's center, thereby preventing side loads on the cylinder's bearings and seals. The pusher block employs a swiveling bronze wear block to eliminate cylinder side loading.
The Model 4 employs a 10 ton single acting spring return cylinder with a stroke of 14 inch. It will bend 90 degrees in less than two complete strokes and 180 bends typically require only three to four strokes. During bending, neither the die set nor the work piece needs to be reset or touched in any way until the bending operation is complete. Using the spring loaded anti-springback lever, the Model 4 will lock the work piece in position until the cylinder needs to be advanced to the next stroke position, therefore not allowing the work piece to relax or shift in the bender.
Note: Red color in image is for photo purposes only, actual product is painted black.