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Properties of CNC Milling Machine – Calculation Method of Surface Velocity of End Milling Cutter

CNC Milling Cutter Machine

CNC milling is becoming more popular and is well received. This is an automated processing machine that was created from a standard milling machine. CNC milling machines are controlled by digital signals from a computer, and their processing technique and structure are similar.

In this study, we discuss the features of CNC milling machines as well as the surface velocity calculation technique for end milling cutters.

Characteristics of CNC Milling Machine

The following are the most important CNC milling machine features:

  1. Parts processing is adaptable and flexible, with the capacity to process parts with complicated contour shapes or difficult-to-control sizes, such as mold parts, shell parts, and so on.
  2. It can process parts that are difficult to process with ordinary machine tools, such as complicated curve parts mentioned by statistical equations and three-dimensional space curved surface parts; and it can process parts that require multiple processes after one-time clamping and positioning.
  3. The machining precision is excellent, and the quality is consistent and trustworthy.
  4. CNC devices have a pulse equivalent of 0.001mm, while high-precision CNC systems can approach 0.1 m.
  5. Additionally, CNC operator mistakes are prevented.
  6. Operator labor intensity can be reduced by a high degree of production automation. It is favorable to production management automation.
  7. CNC milling machines often do not require unique process equipment such as customized fixtures because to their great production efficiency. They simply need to call the processing program, clamping tools, and adjusting tool data stored in the CNC device when swapping workpieces, drastically reducing the production cycle. Second, the CNC milling machine combines the tasks of a milling machine, a boring machine, and a drilling machine, resulting in a highly focused process that boosts production efficiency significantly. Furthermore, because the spindle and feed speeds on a CNC milling machine are both stepless, it is simple to choose the ideal cutting settings.

Calculation Method of Surface Velocity of End Milling Cutter

Then, how do you compute the surface speed of the end milling cutter in a CNC milling machine's machining process?

  1. Calculate the drill bit's radius. You have two options. To calculate the radius, measure the diameter of the end mill used in the caliper and divide by two. For instance, dividing 5 mm by two yields a radius of two and a half millimeters. Alternatively, loop the tape around a few times to obtain the circumference, then divide the total by twice the PI (3.14). The radius is 2 mm if the circumference is 12.56 mm.
  2. Determines the end mill's angular velocity in Hertz. If you've got the RPM,
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