Gear Calculator
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Gear Calculator
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Input:Output
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Diametral Pitch8Pitch Diameter1.50000(# of Teeth) / (Diametral Pitch)
https://www.omnicalculator.com/math/circumference
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# of Teeth12Addendum0.125001 / (Diametral Pitch)
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Pressure Angle14.5Dedendum0.14463
14.5PA: 1.157/Diametral Pitch, 20/25PA: 1.25/Diametral Pitch
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Outside Diameter1.75000(# of Teeth + 2) / (Diametral Pitch)
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Root Diameter1.21075(Pitch Diameter - (2 * Dedendum))
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Chordal Thickness0.19579(Pitch Diameter) * (sin (90° / # of Teeth))
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Whole Depth0.26963(Addendum) + (Dedendum)
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Clearance0.01963(Dedendum) - (Addendum)
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Base Circle Diameter1.45222((Pitch Diameter) * (cos (Pressure Angle°))
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Center Distance0.75000(Pitch Diameter) / 2
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Circular Pitch0.39270(Pitch Diameter Circumference) / (# of Teeth)
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Linear Pitch (Rack)0.39270(2 * Pi * (Pitch Diameter / 2)) / (# of Teeth)
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Base Circle Circumference
4.56229-Used in Involute Spline Calculation-
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Base Circle Circ. / 1000.04562-Used in Involute Spline Calculation-
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Root Diameter -75thou1.13575-Used for Hub Diameter-
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Gear Gauge
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Input:Output
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Diametral Pitch16# of Teeth 62
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Outside Diameter
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