Tru-Form® Press Brake Die Retainers

Our retainers are made from a high tensile aluminum alloy. They enclose our various die pad systems which, under pressure from a punch, produce significant forming pressure. The retainers will withstand 50 tons/ft. and are available in 3 sizes (See A x B dimensions.) in lengths up to 16'.

Note: Part width should not exceed 60% of die pad width.

Selection of Basic Die Components

Solid K•Prene® Die Pad Deflects to form metal under continuous high blank-holding pressure before forming action literally wraps blank around punch. The three standard widths (A x B), are available in 4 ft. lengths. They can be butted together as needed. Pads can be saw-cut to fit any punch or retainer length.	K•Prene® Die Block Pad This system functions like a solid pad but uses 2" long blocks. The blocks allow more economical replacements if a short section is damaged. Furnished in 1 ft. long increments only (six 2" blocks per ft).	Cored K•Prene® Die Pads This system offers a 1" cored hole in our standard 2" and 3" wide pad. The relieved pad concentrates forming pressure on the outside edges allowing deeper penetration in the center. This is another option for U-forming when press tonnage may be limited.	K•Prene® Pressure Rods When forming heavier metals or difficult shapes (like flat bottom U-forming), higher blank-holding pressure can be easily generated by inserting a K•Prene® rod in the air channel under die pad. The rod acts like a “spring” to concentrate additional pressures upward. Rods are furnished in 1/4", 1/2", and 5/8" diameters, in lengths up to 4 ft.
K•Prene® Wear Pads These 1/8" thick strips protect the forming pad from punch cuts. Available in lengths up to 4 ft. and in widths equal to our standard die pad systems. Wear pads should be as wide as die pad, or 1" wider when forming heavy metals, to protect both the parts and the retainer walls.	K•Prene® Wafer Pad This system involves the use of four thin (1/4" or 1/2") K•Prene® strips, or wafers, which are stacked in the retainer. It allows the increased punch penetration needed for severe bends, like U-forming. It is most efficient when forming blanks lighter than 16 ga. M.S.	Die Component Accessories Flexible Stock Backgages: Spring steel deflects up when urethane bulges.