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Straight shank twist drill maintenance
- Jan 09, 2018 -

1, when drilling steel, please ensure that the full amount of cooling and the use of metal cutting fluid.

2, good drill steel and rail clearance can improve the accuracy of drilling and bit life.

3, Make sure the magnetic seat and the workpiece between the formation and cleaning.

4, drill sheet, to the workpiece reinforcement, drilling large workpiece, please ensure the stability of the workpiece.

5, at the beginning and end of drilling, the feed rate should be reduced by 1/3.

6, when drilling a large number of small powder material, such as cast iron, cast bronze, you can not use coolant, but the use of compressed air to help chip removal.

7, please promptly remove the iron wrapped around the drill body to ensure that the chip evacuation.