Sunday, May 2, 2021
second hand sewing machine - VS Sewing Machine
The wear of sewing needles is characterized by the changing of the size and shape of the needle, and the displacement of the needle axis relative to the vertical direction. Due to the wear of sewing needles, at high vibrations during the operation of the embroidery machines, there is wrinkling of the material on which the embroidery pattern is applied and breaking of the sewing thread can occur so that the embroidery machine has to be stopped. It is necessary to reposition the sewing needle with 6-10 stitch steps behind the trajectory to follow and the embroidery machine should be restarted. When the embroidering process restart, an overlap of the sewing thread occurs. Therefore, because of the wear of sewing needles defects appear on the embroidery surface of the product, the availability and thus the productivity of embroidery machines decrease, while the manufacturing costs are rising second hand stitching machine
wear of the sewing needles of embroidery machines defects can appear on
the embroidery surface of the product. Therefore, it is necessary to
schedule the moments of replacing the sewing needles of the embroidery
machines based on the anticipation of their failure moments. Within this
framework, the purpose of this study is to develop a fuzzy decision
system for determining the moment of replacing of the sewing needles of
embroidery machines, considering their amplitude of vibrations measured
on the three axes of the Cartezian coordinate system. More Details
VS Sewing Machine
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