Stiffness Calculation Model of Thread Connection Considering Friction Factors

Table 5

Stiffness of threaded connections with different engaged lengths [1] (kN/mm).

No.	Size code of threads	Material	Exp.	Theory
				This study	Yamamoto method
1	M36×3×12	Brass	2085.3	2593.2	3525.1
2	M36×2×12	Brass	2396.2	3418.3	4008.9