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#CNC accuracy loss at high speed
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07-09
Many CNC machines can achieve excellent positioning accuracy during low-speed testing.
However, when the same machine runs at higher acceleration and rapid traverse speed, engineers often notice a different result:
Corner accuracy decreases
Surface finish becomes inconsistent
Positioning error increases during direction changes
The reason is simple:
Static accuracy does not always represent dynamic accuracy.
A CNC axis is a mechanical system. When speed increases, every component—from the servo motor to the linear guide and ball screw—starts to influence positioning performance.
However, when the same machine runs at higher acceleration and rapid traverse speed, engineers often notice a different result:
Corner accuracy decreases
Surface finish becomes inconsistent
Positioning error increases during direction changes
The reason is simple:
Static accuracy does not always represent dynamic accuracy.
A CNC axis is a mechanical system. When speed increases, every component—from the servo motor to the linear guide and ball screw—starts to influence positioning performance.
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