La costura se está abriendo ¿cómo puedo evitarlo?
La máquina no abastece material apropiadamente ¿por qué?
¿Cómo determino resitencia de costura?
Stitch type, seam type, thread type and size etc. play vital roles in seam strength. Choosing all these properly can enhance seam strength. A generic formula is available to determine seam strength: For lockstitch = Stitch per inch (SPI) x Thread breaking strength (STS) x 1.5 For chainstitch = Stitch per inch (SPI) x Thread […]