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Constant force spring standard parts

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  • Constant force spring standard parts
    Mascot constant force spring is made of stainless steel strip. The high-strength steel strip is shaped by a specific machine. When it is straightened by external force, the constant force spring will naturally roll back and produce elastic force.
    Part No. Thickness Width Length Initial
    Extension
    Working
    Extension
    Max
    Inside
    Diameter
    Drum
    Diameter
    Load ±10% End
    Configuration
    A
    End
    Configuration
    B
    End
    Configuration
    C
    Fatigue
    Life
    Cycles
    Contrast Download
    in mm in mm in mm in mm in mm in mm in mm lb N in mm in mm in mm
    YF1218-1943 0.015 0.38 1.25 31.73 48 1218 2.29 58 39 990 2.03 51.53 2.27 57.62 4.37 19.43 3/8 9.5 0.2 4.9 1/2 12.7 25000
    YF1396-2592 0.02 0.51 1.25 31.73 55 1396 2.82 72 43 1092 2.53 64.22 2.83 71.84 5.83 25.92 3/8 9.5 0.2 4.9 1/2 12.7 25000
    YF0533-0111 0.006 0.15 0.37 9.4 21 533 2.03 51.56 12 305 1.13 28.7 1.36 34.54 0.25 1.11 3/8 9.5 0.131 3.3 1/2 12.7 40000
    YF0635-0165 0.007 0.18 0.5 12.7 25 635 2.36 59.94 15 381 1.31 33.27 1.58 40.13 0.37 1.65 3/8 9.5 0.131 3.3 1/2 12.7 40000
    YF0762-0222 0.008 0.2 0.59 14.99 30 762 2.72 69.09 18 457 1.51 38.35 1.81 45.97 0.5 2.22 3/8 9.5 0.187 4.7 3/4 19.1 40000
    YF0914-0334 0.01 0.25 0.68 17.27 36 914 3.38 85.85 21 533 1.88 47.75 2.26 57.4 0.75 3.34 3/8 9.5 0.187 4.7 3/4 19.1 40000
    YF1067-0498 0.012 0.3 0.81 20.57 42 1067 4.07 103.4 24 610 2.26 57.4 2.71 68.83 1.12 4.98 3/8 9.5 0.187 4.7 3/4 19.1 40000
    YF1219-0721 0.014 0.36 1 25.4 48 1219 4.74 120.4 27 686 2.63 66.8 3.16 80.26 1.62 7.21 3/8 9.5 0.187 4.7 3/4 19.1 40000
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