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Something you may do not know about Wila press brake tooling system design.
The basic Wila press brake tooling system design wasn’t developed just for automation. New Standard was intended to improve features of both the American and European press brake tool designs. It provided consistently accurate tool location and clamping, boosting productivity by reliably setting tools without the need for adjustments. It lines tools up accurately by one push button, simplifying the loading of tools in segments, which requires great consistency in vertical and horizontal alignment of adjacent tools. The most important keys is it allows for vertical loading whcih will be shorten tooling setup time.
The New Standard press brake tooling system, I think the company did a pretty good job of thinking ahead and developing a tool system that would lend itself to automation down the road
The New standard tooling system got a boost in the late ‘90s and especially in the early 2000s,because the speed of lasers put increasing pressure on the forming end of fabricating. Press brakes, which are extremely versatile but not inherently fast, were struggling to keep up with the pace. This gave a big boost to automation, both on the tool-handling side and the work-handling side.
Wila began with very high machining accuracy on the top punches, bttom dies and the tool slots in the upper and lower clamping systems (manual, hydraulic, or pneumatic). The tool holders also have adjustments in the X and Y directions, which allow for perfect alignment of the bending line to the backgauge (X), and for parallelism between the top punch and bottom die (Y). Highly precise finishing has become a feature of competing tool systems, as well, since the advantages sparked customer demand.
The New Standard press brake tools get around that by locating on two large, flat surfaces – the inside top of the tool clamp and, typically, a flat front inside face of the clamp. The two surfaces are at 90 degree. to each other. To make the whole connection between tool tang and holder firm and stable, force is applied at an angle, pressing the tool tang against both locating surfaces at once. The metal bending force is applied by cone-ended pins that are driven against cone-shaped sockets in the tool tangs. The pins don’t bottom in the holes, so the locating principle is maintained. Avoiding additional press brake clamping points avoids the inherent inaccuracy of locating multiple surfaces or clamps.
When you have to locate press brake tools accurately while dealing with a lot of metal bending force, two surfaces are the next best thing to two lines, and that’s exactly how the New Standard tools are built.
Heat-treating is in order.But if you through-harden a top punch, it will be brittle and it is likely to break if it isn’t treated exactly right. If you apply a thin surface treatment, it may not hold up.
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