Assam-With the rapid development of my country’s manufacturing industry, five-axis CNC machining technology has been widely used in aviation, aerospace, automobiles, molds and other fields. However, during the five-axis CNC machining process, knife marks are easily generated on the surface of parts, affecting product quality. In order to solve this problem, magnetic polishing machines came into being. This article will focus on the removal of knife marks from five-axis CNC machined parts and explore the advantages and applications of magnetic polishing machines.
1. The necessity of removing knife marks from five-axis CNC machined parts
Five-axis CNC machining is a high-precision and high-efficiency machining method, but during the machining process, knife marks will be generated on the surface of parts due to the friction between the tool and the workpiece surface. The presence of knife marks not only affects the appearance quality of the parts, but may also cause stress concentration during the use of the parts and reduce their service life. Therefore, it is of great significance to remove knife marks from five-axis CNC machined parts.
2. Advantages of magnetic polishing machines
Efficient removal of knife marks: The magnetic polishing machine uses the action of a magnetic field to cause the polishing medium (grinding steel needle) to rub the workpiece surface at high speed to effectively remove knife marks.
Applicable to parts of various shapes: The magnetic polishing machine can design special fixtures according to the shape of the workpiece to achieve polishing of various complex shaped parts.
Polishing uniformity: The magnetic polishing machine uses a magnetic field to control the polishing medium so that the polishing medium is evenly distributed on the surface of the workpiece to ensure the consistency of the polishing effect.
Energy saving and environmental protection: The magnetic polishing machine has low power consumption and does not require the use of polishing fluid to reduce environmental pollution.
Easy operation: The magnetic polishing machine has a high degree of automation, is easy to operate, and saves labor costs.
3. Application of magnetic polishing machine in five-axis CNC machining parts to remove knife marks
Pretreatment: Before five-axis CNC machining, the workpiece is pretreated with magnetic polishing to remove the surface oxide layer and reduce the generation of knife marks during the machining process.
Post-processing: After the five-axis CNC machining is completed, the parts are magnetically polished to remove knife marks and improve the surface quality.
Finished product inspection: In the finished product inspection link, magnetic polishing is performed on parts with knife marks to ensure product quality.
Repair old parts: For old parts that have knife marks during use, a magnetic polishing machine is used to repair them to extend their service life.
IV. Conclusion
Magnetic polishing machines have significant advantages in removing knife marks from five-axis CNC machined parts and have been widely used in my country’s manufacturing industry. With the continuous advancement of technology, magnetic polishing machines will play an important role in more fields and help my country’s manufacturing industry develop with high quality.
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