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The pitch circle is the circumference used as the standard of a pitch to express the size of gear teeth. Its length is the circular pitch multiplied by the number of teeth. The pitch circle is an imaginary circle and unlike the tip circle and root circle, it cannot be seen.
- Circular Pitch
What is a circular pitch ? A circular pitch is the distance...
- Tip Circle
A tip circle is the circle obtained by connecting the tooth...
- Root Circle
A root circle is the circle obtained by connecting the roots...
- Product Category
Within KHK’s standard products, pitch is organized by module...
- Basic Gear Terminology and Calculation
Circular Pitch (CP) denotes the reference pitch (p). For...
- Circular Pitch
Circular Pitch (CP) denotes the reference pitch (p). For instance, you can produce gears at an exact integral value, such as CP5/CP10/CP15/CP20. Transformation from CP to Module
Spur Gear design formula for geometry, pitch, tooth clearance and critical functional data. Circular Pitches and Equivalent Diametral Pitches Table
The Circular Pitch defines the width of one tooth and one gap measured on an arc on the pitch circle; in other words, this is the distance on the pitch circle from a point on one tooth to the corresponding point on the adjacent tooth. This is equal to π divided by the Diametral Pitch.
What is a circular pitch ? A circular pitch is the distance between the corresponding points of the adjacent teeth measured on the pitch circle. In other words, it is the space between the teeth. In order for the gears to mesh properly, the meshing gear teeth must be of an equal size. That is to say, the circular pitches must be equal.
The following charts convert gear pitch dimensional data to the following: Diametral Pitch, Module, Circular Pitch. Module: is the unit of size that indicates how big or small a gear is. It is the ratio of the reference diameter of the gear divided by the number of teeth.
Pitch circle. It is an imaginary circle which by pure rolling action, would give the same motion as the actual gear. Pitch circle diameter. It is the diameter of the pitch circle. The size of the gear is usually specified by the pitch circle diameter. It is also known as pitch diameter.
