{
  "schema_version": "1.0",
  "id": "relation.mesh.external_cylindrical",
  "version": "1.0.0",
  "relation_type": "external_mesh",
  "endpoint_rules": {
    "source_port": "port.mesh.external_cylindrical",
    "target_port": "port.mesh.external_cylindrical",
    "axis_relation": "parallel"
  },
  "constraint_rules": [
    "equal_module",
    "equal_pressure_angle",
    "equal_tooth_form",
    "spur_or_opposite_helical_hand",
    "center_distance_equals_pitch_radius_sum"
  ],
  "kinematic_effect": {
    "equation": "(omega_source-omega_carrier)*z_source + (omega_target-omega_carrier)*z_target = 0"
  },
  "capability_refs": [
    "capability.kinematics.graph",
    "capability.validation.external_mesh"
  ],
  "maturity": "production"
}