Based on the analysis of the known methods of separation of the bar stock into cut-to-length sections. it has been found that the most effective is the process of transverse screw rolling with the preliminary application of a ring-shaped wedge-shaped groove to the bar. In order to reduce its depth. it is proposed during the rolling process to displace the separated part of the materia... https://www.royaltyfurnitureandappliancers.shop/product-category/bed-pillows/