The millions of connected devices are implemented on the LAN to facilitate their interaction, UPnP's multiple security breaches, and wide open attacks. The United States, Hong Kong Computer Security Incident Co.......

Minimum safety factor of contact strength: Smin=1SH=HLimH=686466=1.473>1 Contact fatigue strength meets the safety factor requirement. Bending fatigue strength check calculation F1=F1KAKVKFBbmCosmYYF1YYO=50.42MPa Where: bending stress, MPa; circumferential force at F1 index circle, kg; .......