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Adjustable Press Brake Die 8 ft prebend thick wide
Condition : Used
HOT SALE !!! Adjustable Press Brake Die 8 ft prebend thick wide only $ 10.500. An 8-foot Adjustable Press Brake Die designed for thick, wide plates and pre-bending operations eliminates the need for tool swap-outs by using adjustable inserts, shims, or motorized spacer bars.
Working length 8 ft
Depth of tool to its bottom 2 1/4″
Max width 5 inches
Uses shims that user moves in and out of the opening behind the die jaws to set them to the right opening for a job
See last photo for these dimensions A = 2 1/4″, B = 5″ maximum, C = 11 3/4″ and D = 4″ (this die is flat on its bottom, unlike illustration)
Weight approx 1348 lbs (on skid)
Shipping size on skid 119″ long, 59″ wide, 12″ high
Adjustable Press Brake Die 8 ft prebend thick wide Physical Dimensions & Capacity
- Overall Bending Length: 8 feet (96 inches / 2,438 mm nominal, often manufactured up to 101.75 inches overall length to cover the entire machine bed).Â
- Tonnage Capacity: High-load rating typically ranging from 85 tons/ft to 150 tons/ft (250 to 500 kN/meter), engineered to withstand the extreme forces required to pre-bend thick materials. [
- Material Composition: Premium high-tensile alloy steel such as 42CrMo4, H13, or EN31, precision-ground and overall-quenched to a hardness of 47–55 HRC.Â
 Opening & Thickness Capabilities
Heavy-duty adjustable dies use the industry standard “Rule of 8” to “Rule of 12” to calculate required V-openings based on plate thickness:Â
- Adjustable V-Opening Range: Commonly scalable from 2.0 inches to 8.0 inches (50 mm to 200 mm) or 2.5 inches to 5.0 inches (65 mm to 125 mm) via interchangeable spacer rods or motorized shim style adjustment.Â
- Target Material Thickness: Designed to process heavy plate ranging from 1/4″ to 1″ (6 mm to 25 mm) mild steel or high-tensile abrasive-resistant steel (e.g., Hardox). [
- Bending Angle (Springback Support): The pre-bend V-groove angle is typically machined at 60°, 78°, or 85° to accommodate massive material springback during the initial air-bending process.Â
Pre-bend & Friction Design Features
- Two-Stage / Pre-Bend Geometry: Incorporates an acute/semi-acute entry angle allowing the thick plate to establish its initial profile without slipping or over-straining the machine.
- Hardened Rollers: Premium configurations include ground, rotating shoulder rollers (approx. 60 HRC) along the edges of the V-opening. This reduces part marking, mitigates extreme friction, and lowers the required bending tonnage by up to 30%.
- Adjustment Methods: Available in manual spacer strip insertion, hand-crank adjustment, or CNC motorized systems where the machine automatically shifts the die width between hits
SKU: OME0089
Category: Metalworking Equipment Replacement Parts
Tags: Brake Die 8, prebend thick wide, Press Brake
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