In preparation for this CNC adventure I subscribed to NCYCNC Proven Cut service which provides a whole range of proven F&S for specific operations on a range of machines and materials.
Here's the 'recipe' for drilling into 4140 steel on a Tormach 440 with a #18 drill.
In prepration
Here's the 'recipe' for drilling into 4140 steel on a Tormach 440 with a #18 drill.
In prepration
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