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What is the difference between a round nose knife and a ball knife
It is a kind of cutter whose blade is similar to a ball head (the blade head is a spherical surface) and is specially used for milling curved surfaces or arc grooves on a milling machine.
Release time:
2022-08-30
The ball cutter is also called the ball end cutter. It is a kind of cutter whose blade is similar to a ball head (the blade head is a spherical surface) and is specially used for milling curved surfaces or arc grooves on a milling machine. In practice, the ball cutter is generally of an integral structure, and the blade should not collapse. It has an excellent milling effect when processing 3D surfaces (curved surfaces), and can also process small concave areas.
However, the big difference between the ball cutter and the round nose cutter is that no matter how high the rotational speed is, the center point of the ball cutter is always static, and the center part and the workpiece are not milling, but grinding, so the tip of the ball cutter is easier to wear. At the same time, due to the characteristics of the blade, when machining a relatively flat workpiece, the processing surface of the ball cutter will be rough, so the ball cutter is not conducive to machining flat workpieces.
The difference between the round nose cutter and the ball cutter in appearance is that it combines the advantages of the ball cutter and the end mill. It maintains the characteristics of end mills. This design can make it have better milling quality when processing flat workpieces. Although the processing range is relatively small in the processing of curved surfaces, it has great advantages for the small-angle curved surface processing industry.
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