Enhance your engineering projects with our advanced Gear Transmission Calculators. Designed for accuracy and efficiency, these calculators assist in determining optimal gear ratios, torque, and speed for various transmission systems. Whether you’re working on automotive, industrial, or robotics applications, our tools provide reliable results tailored to your specific needs. Save time and improve precision with easy-to-use interfaces and comprehensive calculations. Explore our gear calculators to streamline your design process and achieve superior mechanical performance.

Gear Transmission Calculators
External Gear Transmission Calculator | Professional Gear Design Tool

Spur Gear Calculator

Parameters

Module (m): The ratio of the pitch diameter to the number of teeth.
Number of Teeth (z): The total number of teeth on the gear.
Pressure Angle (α): The angle between the line of action and the tangent to the pitch circle.
Number of Teeth Gear 2 (z2): The total number of teeth on the mating gear.

Calculator

Calculation Results (Spur Gear)

Pitch Diameter 1 (d1): mm
Pitch Diameter 2 (d2): mm
Center Distance (A): mm
Base Circle Diameter 1 (db1): mm
Base Circle Diameter 2 (db2): mm
Addendum Circle Diameter 1 (da1): mm
Addendum Circle Diameter 2 (da2): mm
Dedendum Circle Diameter 1 (df1): mm
Dedendum Circle Diameter 2 (df2): mm

Helical Gear Calculator

Parameters

Small Gear Teeth (Z1): Number of teeth on the small gear.
Large Gear Teeth (Z2): Number of teeth on the large gear.
Normal Module (mf): The ratio of the pitch diameter to the number of teeth in the normal plane.
Helix Angle (β): The angle between the helix and the gear axis.
Center Distance (A): The distance between the centers of the two gears.
Pressure Angle (α): The angle between the line of action and the tangent to the pitch circle (likely normal pressure angle).

Calculator

Calculation Results (Helical Gear)

Transverse Module (mdu):
Unshifted Center Distance (A0):
Center Distance Variation Coefficient (y):
Meshing Angle (α’): degrees
Total Profile Shift Coefficient (ξ Σ):
Tooth Height Variation Coefficient (Δy):
Small Gear Pitch Diameter (Dfe1): mm
Large Gear Pitch Diameter (Dfe2): mm
Small Gear Addendum Circle Diameter (Df1): mm
Large Gear Addendum Circle Diameter (Df2): mm

Herringbone Gear Calculator

Parameters

Small Gear Teeth (Z1): Number of teeth on the small gear.
Large Gear Teeth (Z2): Number of teeth on the large gear.
Normal Module (mf): The ratio of the pitch diameter to the number of teeth in the normal plane.
Helix Angle (β): The angle between the helix and the gear axis (same magnitude for both halves).
Pressure Angle (α): The angle between the line of action and the tangent to the pitch circle (likely normal pressure angle).
Face Width (b): The width of the gear tooth face.
Inner Groove Width: The width of the gap between the two helical halves.

Calculator

Calculation Results (Herringbone Gear)

Transverse Module (mdu):
Unshifted Center Distance (A0):
Center Distance Variation Coefficient (y):
Meshing Angle (α’): degrees
Total Profile Shift Coefficient (ξ Σ):
Tooth Height Variation Coefficient (Δy):
Small Gear Pitch Diameter (Dfe1): mm
Large Gear Pitch Diameter (Dfe2): mm
Small Gear Addendum Circle Diameter (Df1): mm
Large Gear Addendum Circle Diameter (Df2): mm
Total Face Width: mm