The important factors determining the spindle of CNC machine tool
Machine tool spindle refers to the machine tool to drive the workpiece or tool rotation axis. It is usually composed of spindle, bearing and transmission parts (gear or pulley). In addition to planer, broaching machine and other machine tools whose main motion is linear motion, most machine tools have spindle components. The motion accuracy and structural stiffness of spindle components are important factors to determine the machining quality and cutting efficiency. The main indexes to measure the performance of spindle components are rotation accuracy, stiffness and speed adaptability.
For the modular design of CNC machine tools, simplify the structure of machine tools, improve the performance of machine tools
a. Simplify the structure and promote the modularization of machine tool structure
Motorized spindle can form standardized and serial products according to the use, structure, performance parameters and other characteristics, which can be selected by the host machine, so as to promote the modular structure of the machine tool.
b. Reduce the cost of machine tools and shorten the development cycle of machine tools
On the one hand, standardized and serialized motorized spindle products are easy to form specialized and large-scale production, which can also shorten the development cycle of machine tools and adapt to the current rapid and changeable market trend.
c. Improve machine performance and reliability
The reliability of CNC machine tools with motorized spindle structure is improved because of its simplified structure and reduced transmission and connection links; With mature technology, perfect function, excellent performance and reliable quality, the performance and reliability of the machine tool are further improved.
d. Realize the special requirements of some high-grade CNC machine tools
Some high-end CNC machine tools, such as parallel motion machine tools, pentahedral machining centers, small hole and super small hole machining machines, must use motorized spindle to meet the perfect functional requirements.
ken. tang@chengcg.com
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