Understand how to drill holes manually on CNC lathe to prevent drilling deviation and hole burning.

The main reason for the deviation is that the drill bit is not properly ground, so the central hole can be drilled first and then drilled; It's better to make the center hole smaller. Burning drill may be drilling too deep or too fast, so you can drill back and keep up with the coolant.

Pay attention to when drilling on the lathe:

1, if the workpiece has allowance, flatten the end face of the knife.

2. Drill holes with a center drill to a depth of 2-3mm.

3. Finally, drill a hole with a drill bit (the drill bit should be pulled out from time to time during drilling to prevent the drill bit from burning out).

4. Bit sharpening is also the key.

5. The selection of rotating speed depends on the size and material of the drill bit.

6, manual feed is not easy to be too fast.