Storefront POP and displays in which the compa-ny’s dieboard is used. In recent years, the number of the cutting dies using paper as a material has been increasingusing CAD, (2) converting the groove of the drawing into a plywood sheet for dieboard, (3) fitting the blade bent to fit the groove into the groove, and (4) attaching the dieboard rubber along the blade. Normally, it takes several days to make one die, but for large displays used in movie theaters and event projects, it may take several months from design-ing a prototype to making the actual die.In the past, cutting dies were made by hand by crafts-men. They were made one by one by hand, such as cutting with a thread saw after drawing a plan on plywood. In con-trast, the company has been promoting mechanization for about 30 years.“In order to manufacture cutting dies in large quantities while maintaining speed and quality, mechanization is in-dispensable, and especially in the last 10 years, mechaniza-tion has advanced at a dash. A decade ago, machines and equipment made in Japan were the norm, but now we often receive product information from overseas manufacturers, and our options have expanded greatly,” says Eiichi Togi-tani, Managing Executive Officer and Plant Manager.Blade bending machines made in Japan, Korea, China, Germany, and ItalyCurrently, the main machinery and equipment include a la-ser cutting machine for cutting plywood, a fiber laser for cutting metals such as stainless steel, iron, and aluminum, a water-jet cutting machine that uses a jet stream to cut rubber and other materials to be attached to molds, a ma-chining center that cuts metals and other materials by rotat-ing an end mill, a sample cutters, automatic blade bending From left to right: Laser cutter and cut plywoodSample cutter that can cut a variety of materialsmachines, automatic ruled line cutting machines, faceplate processing machines, and milling machines for cutting. The laser converting machines are from Germany and Ja-pan, and the automatic blade bending machines are from Japan, Korea, China, Germany, and Italy. Mr. Togitani ap-pealed,“Especially for automatic blade bending machines, we have equipment from various countries, and by making full use of these machines, we are often able to bend items that other companies say cannot be blade-bent.”Broaching with a sharp angle of R0.3 and durabilityAmong these, broaching, which can improve the bending R, has been attracting attention in recent years. When a stan-dard blade (0.7 mm thick) is bent, it cannot be bent to an acute angle due to the thickness of the blade, and the tip re-mains at R0.7 or so. If two blades are combined, the tip can be made acute, but as the blade is used, die-cut shavings clog the tip, the two combined blades gradually spread, and the shape of the dieboard is deformed. There was a prob-lem that the shape of the dieboard was deformed.In the broaching process, the bending portion of a sin-gle blade is shaved to about 0.35 mm, which is about half of the 0.7 mm thickness, to drive the tip of the blade to a sharp angle of R0.3 when it is bent. Moreover, because it is made of a single blade, it is strong and the tip is not easily spread even if it is clogged with shavings.Mr. Ryoji Kabeya, deputy director-general of the Tech-nical Development Department, says, “Although it depends on conditions such as what kind of material and how many 25
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