Needle Points
| Needles are characterized by the type of point used. They generally fall into one of three categories: Sharp, Ball and Wedge. The sharp-point needle is preferred for tightly woven fabrics, such as denim, twill, towels, corduroy, etc. As the needle passes through the garment it may actually cut some of the fibers. However, since these types of fabrics are tightly woven, this is not generally a problem. The ball-point needle is preferred for knit goods, fleece and delicate fabrics. The cross fibers which constitute these materials are relatively far apart as compared to those in tightly woven fabrics. When a sharp-point needle encounters one of those fibers while penetrating the fabric, it cuts right through the fiber. This can create a damaging hole in the fabric. The ball-point needle pushes aside the fiber it encounters in penetration and thereby avoids making a permanent hole in the fabric. Sharp-point and ball-point needles are available in different size points: light, medium, etc. The wedge-point needle is used primarily on leather or tough non-woven fabrics. It cuts as it penetrates and reduces friction while piercing the fabric. By: James M. (Jimmy) Lamb |
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