Method to increase the service life of milling cutter
- Categories:Industry News
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- Time of issue:2020-06-23 17:22
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(Summary description)1. The degree of influence of the cutting depth and feed speed of the milling cutter on the service life is second and second respectively. That is to say, the true meaning of increasing the life of the tool is: at the lowest possible speed, the highest cutting depth and feed rate are used (subject to the tolerance of the tool and the surface roughness of the workpiece to meet the requirements and other factors) To multiply these three values.
Method to increase the service life of milling cutter
(Summary description)1. The degree of influence of the cutting depth and feed speed of the milling cutter on the service life is second and second respectively.
That is to say, the true meaning of increasing the life of the tool is: at the lowest possible speed, the highest cutting depth and feed rate are used (subject to the tolerance of the tool and the surface roughness of the workpiece to meet the requirements and other factors) To multiply these three values.
- Categories:Industry News
- Author:
- Origin:
- Time of issue:2020-06-23 17:22
- Views:
1. The degree of influence of the cutting depth and feed speed of the milling cutter on the service life is second and second respectively.
That is to say, the true meaning of increasing the life of the tool is: at the lowest possible speed, the highest cutting depth and feed rate are used (subject to the tolerance of the tool and the surface roughness of the workpiece to meet the requirements and other factors) To multiply these three values.
2. Among several cutting parameters of the tool, the cutting linear velocity has an impact on the service life of the tool (the corresponding parameter of the cutting linear velocity is the rotation speed). Therefore, reducing the speed can increase the service life of the tool;
3. Cutting mode (civil milling and reverse milling), the cutting vibration during down milling is smaller than that of up milling. The cutting thickness of the tool during down-milling is reduced from zero to zero. After the tool is cut into the workpiece, there will be no spring knife phenomenon caused by the chip that cannot be cut. The rigidity of the process system is good and the cutting vibration is small. When the zero is increased, the tool will scratch a path on the surface of the workpiece due to the thin cutting thickness during the initial cutting. At this time, if the cutting edge encounters a hard point in the material or swarf particles remaining on the surface of the workpiece, it will cause the tool to bounce or Chattering, so the cutting vibration of up-milling is large; but the experience of countless people has told us: the cost of the tool only accounts for no more than 10% of the entire machining cost, and the cost of the tool in many mechanical processing plants does not even exceed 2% .
Reducing the cost of cutting tools has little effect on the overall cost reduction of the entire machining process. But the tool is a factor that affects the machining efficiency in addition to the machine tool. A good tool, combined with appropriate processing parameters, can increase the efficiency of the entire machining process, thereby increasing the output value of the machining process per unit time. Under the premise that the cost increase is not large, improving the production efficiency per unit time is the only rule of cost savings in mechanical processing.
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