Intersecting joint has become the major one in steel tube structure, for its advantages in load-carrying capacity, steel-saving, simple construction, legerity, elegance and so on.
The structure design and quality of planetary carriers are closely related to the load distribution among planet wheels, the carrying capacity, noise and vibration of gears.
行星架的结构设计和制造质量，对各行星轮间的载荷分配以至传动装置的承载能力、噪声和振动等有很大影响。
3
LC4 alloy have been used on aerospace industry and others widely, and it is used on main load-carryingstructure of airplane, for example girder and bulkhead and junction etc.