Webster's Online Dictionary
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Definition: DIAMETRAL PITCH

Part of Speech Definition
Expression 1. (Gearing), the distance which bears the same relation to the pitch proper, or circular pitch, that the diameter of a circle bears to its circumference; it is sometimes described by the number expressing the quotient obtained by dividing the number of teeth in a wheel by the diameter of its pitch circle in inches; as, 4 pitch, 8 pitch, etc.[Websters].

Source: Webster's Revised Unabridged Dictionary (1913)

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Definition: DIAMETRAL PITCH

Part of SpeechDefinition
Expression1. (Gearing), the distance which bears the same relation to the pitch proper, or circular pitch, that the diameter of a circle bears to its circumference; it is sometimes described by the number expressing the quotient obtained by dividing the number of teeth in a wheel by the diameter of its pitch circle in inches; as, 4 pitch, 8 pitch, etc.[Websters].

Source: Webster's Revised Unabridged Dictionary (1913)

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Common Expressions: DIAMETRAL PITCH

ExpressionsDefinition
Diametral pitch(Gearing), the distance which bears the same relation to the pitch proper, or circular pitch, that the diameter of a circle bears to its circumference; it is sometimes described by the number expressing the quotient obtained by dividing the number of teeth in a wheel by the diameter of its pitch circle in inches; as, 4 pitch, 8 pitch, etc. Source: Webster's Revised Unabridged Dictionary.

Source: compiled by the editor from various references; see credits.

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Specialty Expressions: DIAMETRAL PITCH

ExpressionsDomainDefinition
Diametral pitchMechanical Engineering1: The automatic reduction, through a variable knife-angle mechanism, of the knife angle of a rotary-veneer lathe as the diameter of the peeler block decreases during peeling. Source: European Union. (references)
  2: Diametral pitch is the reciprocal of the module. Source: European Union. (references)

Source: compiled by the editor from various references; see credits.

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