Gear Parameters
Pitch diameter, addendum, dedendum, whole depth
Spur/HelicalRatio & Center Distance
Gear ratio, center distance, speed allocation
Spur/HelicalSpan Measurement
Tooth span and base tangent length calculation
Spur/HelicalContact Strength
Hertzian contact stress per ISO 6336
StrengthBending Strength
Root bending stress per ISO 6336
StrengthBevel Geometry
Pitch angle, cone distance, virtual teeth
BevelBevel Ratio
Right-angle and non-orthogonal ratio & torque
BevelBevel Strength
Contact and bending strength estimation
StrengthRatio & Efficiency
Gear ratio, efficiency, temp rise
WormSelf-locking Check
Lead angle vs friction angle comparison
WormGeometry
Center distance, diameter factor, dimensions
WormProfile Shift
Addendum modification coefficient selection
CustomOperating PA
Operating pressure angle, center distance factor
CustomTooth Thickness
Chordal / span measurement / over-pins
CustomShaft Diameter
Torsion / combined bending minimum diameter
ShaftsKey Strength
Crushing & shear stress check (parallel keys)
ShaftsTorque & Power
Power, torque, speed conversion
ShaftsRack Matching
Module match, travel, mesh parameters
RackLinear Speed
Linear velocity, motor speed, reduction ratio
RackMagnetic Force
Magnet attraction / repulsion estimation
MagneticMax Torque
Magnetic coupling max torque estimation
MagneticHobbing
Hob speed, feed rate, cutting time
MachiningGear Grinding
Grinding speed, feed, spark-out passes
MachiningCutting Parameters
Turning / milling / drilling speeds & times
MachiningThese calculators are for reference only. Actual design should follow ISO 6336 / AGMA / GB standards. Contact Geyontech Engineering for precise calculations.