a Σ  
Enter data directly into this form, or load one of your saved gearwheels as wheel 1 and start from there.
If you don't have sufficient data to get started, you should head over to the Gear Pair Search Module

Basic Parameters

Normal module
mm
Normal pressure angle
°
Shaft angle
°
Centre distance
mm
Wheel 1 Wheel 2
Number of teeth
z
Helix angle
β
°
°
Profile shift coefficient
x*
Dedendum coefficient
hfP*
Root diameter
df
mm
mm
Addendum coefficient
haP*
Tip diameter
da
mm
mm
Root fillet radius factor on cutter
ρfP*
Root fillet radius factor on gear
ρf*
Tooth tip fillet radius factor
ρa*
Tip alteration factor
k*
Gear width
b
mm
mm

Tolerances

Lower centre distance deviation
mm
Upper centre distance deviation
mm
Wheel 1 Wheel 2
Lower normal tooth thickness deviation
Asni
mm
mm
Upper normal tooth thickness deviation
Asne
mm
mm
Lower root diameter deviation
Adfi
mm
mm
Upper root diameter deviation
Adfe
mm
mm
Lower tip diameter deviation
Adai
mm
mm
Upper tip diameter deviation
Adae
mm
mm

Quick Tools

Shift tooth thickness by
towards
or
Tooth height
Shift mesh towards
Adjust backlash based on manufacturing accuracy
Manufacturing accuracy of wheel 1
mm
Manufacturing accuracy of wheel 2
mm
Lower centre distance deviation
mm
Resize gear pair to module

Or to centre distance