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当前欧美各国正在流行无接头车架的自行车,我国不少厂家也竞相制造 BMX 自行车。BMX 自行车的车架是一种无接头车架。在无接头车架设计及各种车架模具设计中经常会碰到二圆柱体相交的问题。当直径为φ_小(见图1)的小圆柱体与直径为φ_大的大圆柱体相交。大圆柱体的
At present, Europe and the United States are popular bicycle without frame, many of our manufacturers are competing to create BMX bike. BMX bicycle frame is a jointless frame. In the joint frame design and a variety of frame mold design often encounter two cylinder intersection problems. When the diameter of φ_ small (see Figure 1) of the small cylinder with a diameter of φ_ large cylinder intersection. Big cylinder