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In recent years, the development of tool magazines has surpassed its role as machine tool accessories, and developed products that meet the concepts of high precision, high performance, high reliability and multi-tasking of machine tools in its unique technical field. The quality of its products is related to the overall performance of the machine tool.

The capacity and layout of the tool magazine are different for different machine tools. According to the capacity, appearance and tool removal method of the tool magazine, it can be divided into the following categories: The hat-type tool magazine generally can only store 16~24 When the tool is changed, the whole tool magazine moves to the spindle during tool change. When the tool on the spindle enters the card slot of the tool magazine, the spindle moves upward and away from the tool, and the tool magazine rotates. When the tool to be changed is aligned directly below the spindle, the spindle moves down so that the tool enters the spindle taper hole. After clamping the tool, the tool magazine returns to its original position. Disc tool magazines Disc tool magazines are usually used on small vertical integrated processing machines. "Disc tool magazine" is commonly called "disc tool magazine" in order to distinguish it from "battle-hat tool magazine" and "chain tool magazine". The disk-type tool magazine has a small capacity, at most two to thirty knives. Need to match the automatic tool change mechanism atc (auto tools change) for tool exchange. Chain-type tool magazine The characteristic of the chain-type tool magazine is that it can store a large number of tools, generally more than 20 tools, and some can store more than 120 tools. It uses the chain to transfer the tool to be changed to the designated position, and the manipulator installs the tool on the spindle. The tool change action adopts the structure of motor plus mechanical cam. The structure of this design is simple, fast, reliable, and reliable, but the price is relatively high, and it is usually a customized product. Automatic tool change system

The automatic tool change system is an important part of the CNC machine tool, which mainly transfers the tools required for processing from the tool magazine to the spindle clamping mechanism. The structural characteristics of the tool clamping element and its connection with the machine tool spindle will directly affect the processing performance of the machine tool. The structure of the tool magazine and the working mode of the tool changer will affect the tool change efficiency of the machine tool. The complexity of the automatic tool change system itself and related structures will have a direct impact on the cost of the whole machine. The automatic tool change system of CNC machine tools is roughly divided into 1. Hydraulic mechanism 2. Pneumatic mechanism 3. Electric cam mechanism. In the CNC machine tool market, which is constantly pursuing speed and reliability improvements, cam-type tool changers are widely used. This design uses only one drive motor to complete the complex tool change action. It is fast and reliable. There are no other consumable parts and maintenance requirements except for the oil change. The failure rate is the least, and the life span is more than one million times. Generally, those who have an ATC device have an ATC arm. If you need to change the tool magazine and the spindle when changing the tool, you need the atc arm to assist. However, some machine tools do not need an atc arm to complete the tool change action.