Influence of rotational speed and torque on meshing efficiency of double helical gear transmission system

Open Access

Table 1

Common layout of gear test-rig with closed power flow and formula of gear transmission efficiency.

Condition	Layout	Formula of transmission efficiency
①		P₁=P_s P₃=P₂
②		P₄=P_s
③		P₄=P_s
④		P₁=P_s P₂ = P_S η + P_M P₃ = P₂ = P_S η + P_M

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