How Do the Feed and Spindle Speed of Machine Affect the Life of Woodworking Cutting Tools?
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How Do the Feed and Spindle Speed of Machine Affect the Life of Woodworking Cutting Tools?
In addition to the material of the tool itself, the cutting plate, the cutting angle of the tool, and the manufacturing accuracy of the tool itself, the factors affecting the life of woodworking tools mainly depend on the cutting speed in processing. d spindle speed of the machine tool are 4～5m/min and 18000～24000r/min. It is assumed that the feed speed is 4m/min and the spindle speed is 24000r/min, so that the length of each millimeter will be Cut 12 times.
Spindle speed = 24000r/min
Number of cutting edges = 2
Feed speed=4m/min
Cutting times per minute=48000/4000=12 times/mm
Such cutting conditions will cause the tool to wear quickly and cause a sharp rise in temperature.
If a larger feed speed, such as 10m/min, is used in conjunction with a lower spindle speed, such as 1500r/min, the heat generated will be less and the tool life will be longer.
Spindle speed=1500r/min
Number of cutting edges = 2
Feed speed=10m/min
Cutting times per minute=30000/10000=3 times/min
Higher feed speed and lower spindle speed are beneficial to increase production and reduce noise, while higher feed speed will bring about follow-up errors, because machine tools cannot be automatically positioned like computer control. Therefore, when the speed increases, it must be operated carefully. In addition to the spindle speed and feed rate affecting the life of the tool, timely removal of cutting and dust also helps to extend the life of the tool.
If the waste material on the cutting surface can be removed in time, the tool life will increase. This can be achieved by blowing compressed air near the cutting point. This can remove chips and extend the life of the tool.
Since cutting is multi-directional, the chip conveyor should also be located in the center near the tool.
Remember that woodworking tools can adapt to all kinds of furniture wood cutting purposes, and to choose the most suitable tool, you must first understand all the processing needs.
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