Therefore, the proper peck drilling condition for maximum tool life improvement is drilling with a constant OSFL of a tenth of the drill diameter when drilling AISI 1045.

• 因此，适当的派克钻井条件改善最大刀具寿命是钻井与不断OSFL的十分之一的 钻头直径钻孔倡议1045年的时候。