1. Good processing adaptability
CNC gantry type milling machine When the processing object changes, only need to re-program the input new program to meet the processing object requirements of the processing technology, can quickly achieve processing transformation. This provides great convenience for the production of single parts and small batches of complex structures and the trial production of new products. In addition, CNC gantry type milling machine can usually complete some complex and complicated parts that are difficult or impossible to be processed by ordinary machine tools, such as various complex curves, curved surface parts and variable lead threads.
2. Conducive to the modernization of production management
CNC gantry type milling machine can accurately calculate the working hours of parts processing, and effectively simplify the management of inspection tools and semi-finished products, which is conducive to the modernization of production management. CNC gantry type milling machine uses digital information suitable for computer networking, and becomes the basis for the integration of computer-aided design, manufacturing, and management.
3. High processing productivity
The time required for parts processing includes two parts: maneuvering time and auxiliary time. CNC gantry type milling machine can effectively reduce these two parts of time, thereby improving the processing efficiency.
The spindle speed and feed range of CNC gantry type milling machine is much larger than that of ordinary machine tools. Therefore, the most favorable cutting amount can be adopted for each process and tool step to fully utilize the potential of the process system. The gantry milling machine has good structural rigidity, which allows a large amount of powerful cutting, thereby effectively saving maneuvering time. CNC gantry type milling machine has a fast moving speed of moving parts, and it consumes much less time in auxiliary movements such as lead, retract, and positioning than ordinary machine tools.
In mass production, the CNC gantry type milling machine requires almost no readjustment of the machine when replacing parts to be processed, and installation time is short. The gantry milling machine operates according to the coordinates, which can save the auxiliary processes such as marking and reduce the auxiliary hours. The machining accuracy of CNC gantry type milling machine is relatively stable. Generally, only the first item inspection or sampling inspection of key dimensions between processes can be done, which can reduce downtime inspection time. Therefore, the utilization rate of CNC gantry type milling machine is much higher than that of ordinary machine tools.
In the compound machining center with automatic tool change, multi-spindle and automatic feeding device, it can realize multi-process continuous processing, shorten the logistics process, reduce the turnover time of semi-finished products, and further improve production efficiency.
4. High processing accuracy
CNC gantry type milling machine is processed according to the instructions given in digital form. At present, the pulse equivalent given by the numerical control device (the movement amount corresponding to each moving part of a pulse gantry milling machine) generally reaches 0.001 mm, and the feed drive The reverse division of the chain and the screw pitch error can be compensated by the CNC device, so the CNC gantry type milling machine can achieve a relatively high accuracy, such as positioning accuracy of 0.002 ~ 0.005 mm. In addition, the transmission system and machine tool structure of CNC gantry type milling machine generally have high rigidity and thermal stability, high manufacturing accuracy, and the automatic processing method of CNC gantry type milling machine can avoid errors caused by human factors of the operator. Therefore, the processing of the same batch of parts has good size consistency, high precision and very stable processing quality. For the contour processing of complex parts, the gantry milling machine can control the feed path and feed speed to avoid local defects on the processed surface, thereby obtaining higher accuracy and surface quality.
5. Good economic benefits
Although CNC gantry type milling machine is expensive, the equipment cost allocated to each part is relatively high, but in the case of single-piece small batch production, the use of CNC machining can save the time for marking, reduce the processing time for adjustment and inspection, and directly save the production cost. The cost of CNC machining tooling is also relatively low, and the quality of CNC machining is the most stable, which can reduce or even avoid the generation of waste products, which reduces the progress of production costs. CNC gantry type milling machine has strong versatility and low investment risk. CNC gantry type milling machine has a wide process range, which facilitates the concentration of processes, simplifies logistics, and reduces management costs. CNC gantry type milling machine can process high-value-added complex high-precision parts and achieve high output. Therefore, the use of gantry milling machine can obtain good economic benefits.
6. Low processing labor intensity
CNC gantry type milling machine parts are processed automatically in accordance with a pre-programmed program. Operators usually do not need to perform heavy and repetitive manual operations except for operation panels, loading and unloading of workpieces, intermediate measurement of key processes, and observation of the operation of machine tools. The intensity and tension are greatly reduced. The production CNC gantry type milling machine generally has better safety protection and the working conditions of the operator of the device such as automatic chip removal, automatic cooling, automatic lubrication have also been improved accordingly.
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