Category Archives: Engraving/Marking

Collet Grip

I have one more problem to solve before my CNC engraver is operational. It is that end mills come loose in the spindle. This is the spindle, it is 1.2 inch diameter and uses a “WW” collet (0.125 inch bore). … Continue reading

Posted in Engraving/Marking, Milling | 10 Comments

Engraving Practice

The engraver is running; here is a practice part. This was done on scrap bronze with a .018 inch diameter end mill turning at 24000 rpm and travelling at 4 inches/minute. The groove is about .005 inch deep. My design … Continue reading

Posted in CNC, Engraving/Marking | 8 Comments

CNC Control Panel

The control panel for the engraver is now wired. The front has some switches to give me direct control of stepper enable, spindle power, etc. Here is the back side. There are three switching power supplies. If there are any … Continue reading

Posted in CNC, Engraving/Marking | 2 Comments

Wired

I now have all the wiring anchored to my CNC mill. Quite a bit of the labor was in mounting the limit switches. The engraving mill will connect to its control panel by 7 four pin connectors: 3 for step … Continue reading

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The Motion Controller

I have purchased the motion controller and stepper driver for my engraver. The two boards are KFLOP and KSTEP from dynomotion.com. They communicate together by a 26 line ribbon cable, and controller KFLOP talks to a PC console by USB. … Continue reading

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Engraver Frame

I have now built the gantry frame that supports the z-axis actuator and the engraving spindle. The gantry attaches to the 12×12 inch baseplate of the X-Y table, shown in my previous blog post. The spindle is a WW-650 from … Continue reading

Posted in Engraving/Marking | 6 Comments

X-Y Table

This is the next step toward a CNC engraver, a complete X-Y table. The structure here is three sheets of 1/2 inch thick MIC-6: 6×6, 6×12, and 12×12 inches. They provide a 6×6 work surface with motion of nearly 6 … Continue reading

Posted in CNC, Engraving/Marking | 5 Comments