星针

felting needles and structuring needles for the nonwoven industry.Needles type: 0- Taper needles, 1- Triangular needles, 2- Trifoliolate needles/San Yan Needles, 3- Diamond needles, 4- Cylinder needles, 5- Star needles, 6- Spiral needles, 7- Crown needles, 8- Fork needles, 9- Long point needles 10- Inverted Barb needles.Parts Designation on felting needles:Felting needles are grouped into the more sturdy single reduced needles and the more flexible double reduced needles. Felting needles of 13 to 32 GG are available in both versions, while 32 to 46 GG are available in the double reduced version. Special needles with a longer taper to minimize breakage are also available.Gauge and Dimensions on felting needles: The diameters of the various parts on a felting needle are specified in gauge(GG). The bigger the gauge number, the smaller the diameter. the exception to this is the working part of the needle, whose gauge doesnot refer to thediameter, but the triangular blade height.Nominal Length Felting Needles: The nominal length on felting needles is expressed in inches and measures the distance from inside the crank to the point. 5 inch, 4.5 inch, 4 inch, 3.5 inch, 3 inch, 2.5 inch are standard working part length dimensions. Other dimensions are also available for special applications.Standard Working Part Length on felting needles: The length of the working part is determined by the barb spacing, total number of barbs, penetration depth and the quality of the fabrics. 33mm, 30mm, 27mm, 24m, 22mm, 20mm, are standard working part length dimensions. Other dimensions are also available for special applications.Style of working parts:Taper shape, Triangular shap,Trifoliolate shape, Cylinder shape, Star sahpe, Sprial Shape.Point Style: Standard set point, sharp point, Light ball point, Ball point, Heavy ball point, Extreme ball point, Scissor point.Spacing between point and first barb, barb spacing. 5 standard kinds.Barb measurement designation.Barb Styles.10 standard kinds.Barb Variation, 11 kinds.