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Spring Constant CalculationValueUnitBalance Wheel InertiaValueUnit
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Saatlik vuruş :21600bphYoung Modulus (E) :200,00GPaMass of Wheel (mw) :0,00006kg
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Frekans :3Hz
Width of spring at recengular cross section (w) :
0,000150mMass of one arm (ma) :0,00002kg
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Periyot :0,3333333333sThickness of spring (t) :0,000030mArm number (n) :3
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I/C Oranı :0,002814477323Active length of spring (L) :0,232388m
Inner radius of Wheel (ri) :
0,003m
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I/C Hesaplanan :2,814E-03Spring Constant (C) :2,905E-07Nm/rad
Outer radius of Wheel (ro) :
0,0035m
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Inertia of Balance Wheel :
8,175E-10kg*m2
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Inertia of Balance Wheel :
8,175E-01g*mm2
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Unit convertors :
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mg to kg :600,000060
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mm to m :30,003
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cell style meaning;
Typical thickenss for hairspring :
0,02 -0,05 mm
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calculated cells
1 micron deviation for hairspring thickness changes timekeeping rate 30min/day
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value input cells
Width of hairspring's rectangular cross-section :
0,07 - 0,17 mm
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Length for a hairspring :15 - 30 cm
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Mass for balance wheel :60 - 90 mg
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Radius for balance wheel :3 - 6 mm
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Nivarox Young Modulus :
200 - 210 GPa
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Silicon Young Modulus :169 GPa
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Steel Young Modulus :
190 -210 GPa
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