Which way of depaneling PCB is better, V-Groove or Routing?

We are going to depanel a batch of PCBs. Which method should we apply?

V-Groove depaneling costs less, is simple to operate, and the whole process is fast. But it can only divide the PCBs into straight lines, and there will be burrs. Routing depaneling can depanel the boards in any shape with very little stress and no burrs on the cutting edge. But the cost is higher.

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