Automated Storage and Retrieval System consists of racking system, stacker system, conveying system, management control system. The system represents the most advanced automation technology in the logistics industry. ASRS high-level rack is the main support structure for the ASRS warehouse system to realize the stereo storage of goods. In order to make the goods move efficiently and accurately, the design and manufacturing accuracy of the rack itself are relatively high. It is widely used in chemical industry, electronics, food, textile, pharmaceutical, transportation, etc.