Custom brush for gap filling with R-shaped design
In machine tools, necessary gaps are created according to the movement of movable parts and cover structures, but gaps that include R shapes, steps, and curved surfaces are more difficult to seal compared to linear structures. This product is a brush with an R shape that accommodates such complex geometries. The brush is flexible, allowing it to naturally conform to curved shapes and stepped areas, thereby suppressing the intrusion of chips, dust, and coolant mist, as well as the diffusion from inside the equipment. A key feature is that it can maintain stable sealing performance while keeping contact, even in movable parts and R shapes where it is difficult to respond with highly rigid sealing materials. At Kyoshin Giken, we manufacture brushes tailored to fit specific gap shapes through custom designs that meet the design conditions, and we have a track record of adoption primarily among machine tool manufacturers.
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The bristles can be made from chemical fibers such as nylon (66/612/610/6), PBT, PP, and PET, as well as conductive fibers and metal wires (stainless steel, brass), and natural fibers. In machine tool applications, 0.2mm nylon 66 is commonly used due to its excellent balance of durability, flexibility, and chemical resistance. The brush shapes can accommodate R-shaped, stepped, curved, and irregular gaps, allowing for designs that match the trajectory of moving parts. By balancing the gap dimensions with bristle length and density, we ensure sealing performance while minimizing excessive contact resistance. In addition to manufacturing based on provided drawings, we also support reproduction from dimensional measurements taken from actual samples.
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It is used primarily for applications in gaps that include R-shaped contours and steps around machine tool covers, movable parts, and doors. The flexibility of the brush allows it to conform to curved surfaces and continuous step shapes, which are difficult to address with linear brushes, contributing to the prevention of the intrusion of chips, dust, and coolant mist, as well as suppressing diffusion from the inside. There is a track record of application in slide areas, around guides, and at cover joints, and it accommodates various design conditions through custom solutions tailored to the equipment structure. It has been adopted mainly by major machine tool manufacturers and is used as a component to address gaps with complex shapes.
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You can order custom-made brushes starting from one piece, and standard brushes can be ordered with a click. I absolutely love custom-made brushes too (^^)/ Brush Village @ Koshin Giken, a manufacturer of industrial brushes, is an online shop for brush mail order! The uses for brushes are too numerous to count, including cleaning, polishing, deburring, sealing, and more. Even we, as manufacturers, are surprised by this. We have a variety of brushes in different shapes available (^^) We also welcome inquiries for other uses, so please feel free to contact us!
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