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How To Reduce Tool Runout Of Woodworking Engraving Machine
Jan 23, 2019

In the process of processing, if the center of the tool and the rotation center of the woodworking engraving machine spindle are not consistent, the radial runout of the tool will be caused, which is what we usually call the tool rotation is not centralized. Further understanding is that the normal high-speed rotation of the tool should be a vertical line, if not centrifugal, it will become a cone. In this way, the processing accuracy and effect will certainly be reduced, and the cutting tool will be easy to break. So how to reduce the radial runout of the tool in the process?

Firstly, we need to know the matching of tool and chuck, chuck and nut, the correct method of cutting and the quality of the tool itself are all the factors that affect the runout. In this respect, we should pay attention to the cleanliness of chucks and nuts, without dust. The strength of the knife should be correct, neither too large nor too small is good. It is also very important to have a small tool extension length. When necessary, we should also pay attention to the speed of the spindle motor. For materials that do not require high speed of the spindle, such as copper, we can choose a reasonable speed of the spindle to reduce the radial runout.

Secondly, how to reduce the tool radial runout in the process. Why does the tool generate radial runout during machining? Because the radial cutting force increases the radial runout, reducing the radial cutting force is an important principle to reduce the radial runout. Use sharp tools: the cutting force of the whole cutting tool is small, so that the radial cutting force of the tool is small, which can reduce the radial runout of the tool; the rake face of the tool should be smooth: in this way, the friction between the chip and the tool can be reduced, so that the cutting force of the tool can be reduced, and the radial runout of the tool can be reduced. Reverse milling in finishing: Note that it is only used in finishing, and in roughing, it is still necessary to use forward milling, otherwise the service life of the tool is difficult to be guaranteed. When using reverse milling, the direction of cutting force always pulls the tool toward the workpiece, so that the tool will be more stable in the process; and then using the strong woodworking engraving machine tool, the strength of the tool can be increased by increasing the diameter of the tool rod, the diameter of the tool rod can be increased by 20%. Under the same radial cutting force, the radial radius of the tool can be reduced by 50%.

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