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Suzhou racking factory, what does the main frame and secondary frame of the racking mean?
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Publish Time:
2025-07-23
In Suzhou racking factories, the main frame and the secondary frame are two basic concepts in the warehousing racking system. Together, they constitute a highly efficient and stable storage solution. The following is a detailed explanation of the main frame and the secondary frame:
I. Main Frame
- Definition: The main frame refers to a set of racks assembled from uprights, beams, tie rods, etc., that can stand completely independently. It contains complete structural components, including two uprights (each upright usually contains two upright rods and several horizontal and diagonal bracing components to enhance stability), multiple beams to support the shelves, and necessary connecting pieces and tie rods.
- Features: The main frame is independent and can be used alone without relying on other racks. It bears the main load-bearing task and is the foundation of the racking system. In a combination of one or more rows of racks, the main frame is usually located at the starting position, providing a connection point for subsequent secondary frames.
II. Secondary Frame
- Definition: The secondary frame is relative to the main frame. It lacks one upright (i.e., two uprights and corresponding tie rods), so it cannot stand independently and must rely on the main frame or other secondary frames to form a complete racking system. The secondary frame saves materials and space by sharing one upright with the main frame or adjacent secondary frames.
- Features: The design of the secondary frame makes the racking system more flexible and economical. When it is necessary to expand the storage space, only secondary frames need to be added without having to repeatedly purchase complete main frames, thus reducing costs. At the same time, the connection between the secondary frame and the main frame or adjacent secondary frames also enhances the overall stability and load-bearing capacity of the entire racking system.
The main frame and the secondary frame each play an important role in the warehousing racking system. The main frame provides independent load-bearing and support functions, while the secondary frame saves costs and space by sharing uprights, while enhancing the overall stability of the system. This design makes the warehousing racking system more flexible, economical, and efficient.
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