Skip to main content
. 2025 Nov 20;15:41153. doi: 10.1038/s41598-025-27890-1

Table 1.

Fundamental design parameters of gears for GNP2200 high-viscosity gear pump.

Parameter Symbol Value Unit
Number of teeth z 15
Module m 12 mm
Pressure angle α 20 (°)
Addendum coefficient ha* 1.1
Bottom clearance coefficient c* 0.15
Profile shift coefficient x 0.18
Face width B 252 mm
Contact ratio ε 1.1
Center distance a 184 mm