DM 120 1st Edition Lecture 12 March 11 2015 Outline of Last Lecture Knitted Fabrics Wales Courses Types of Fabrics Outline of Current Lecture Weft vs Warp yarns Jersey Knits vs Rib knits Key differences between knit and woven Knitted Fabric Jersey vs Rib Weft Knits Yarns run horizontally Most common type of knit Can be made from a single yarn Can be produced on either circular or flat machine Needles slide back and forth Jersey Knit a Single Knit all loops drawn to one side b The face of the fabric is smooth c Jersey Machine Plain Machine Single Machine d Has only one needle set in needle bed e Fabric has properties of unbalanced and curved edges Rib Knit a Stitches on both sides b No knit or purl in the same wale c Stitches in the length direction d Fabric properties is flat surface with no curves e Great elasticity f No difference between the face and back side g Two sets of needles positioned at right angle h Appearing alternating on both sides of the fabric Purl Knit a Similar as plain knit with different technique How to Identify Different Knits Rib Knits a Strong stretch in the width direction b Alternating columns of knit stitches and purl stitches in the length direction Purl Knits a Stretch direction in the length direction b Alternating rows of knit stitches and purl stiches in the horizontal course direction Warp Knitting Yarns run vertically in the length of the fabric Tricot Fabric Not commonly used Knit Fabric Classification Seamless knitting One yarn for entire garment No cutting and sewing assembly lowering the cost Differences Between Knit and Woven Fabrics Knitted Fabrics Woven Fabrics Less Snagging More movement and stretch Helps keep the shape BETTER Better Wrinkle Recovery More insulation warmth