The function of circular guide rail is mainly to integrate multiple stations on the circulating assembly line or assembly line. Compared with the belt line, it has smaller movement gap, higher rigidity, faster speed and higher positioning accuracy.

1. Structure: Seen from the cross section of circular guide rail, there are mainly two types: V-shaped surface and trapezoidal surface. The manufacturer of V-shaped circular guide rail is Hepco in Britain, while the manufacturer of trapezoidal surface is Nadella in Germany. Different cross sections will lead to different loads and speeds. The V-shaped surface is hardened and made of steel with strong bearing capacity.

2. Composition: The basic composition of the annular track system includes annular guide rail, linear guide rail, bearing slide seat, motor, reducer, etc. The driving mode is more flexible and can be driven by synchronous belt, rack and pinion or chain.

3. Application: The circular guide rail can form a circular track system together with the linear guide rail, or can be used independently, for example, as the guide rail of the seventh axis of the robot. The rail width and diameter of circular guide rail will directly affect the load capacity.

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