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Also, you may want to take a look at this thread and note one of the later posts about defeating interlocks on a laser machine: http://www.cnczone.com/forums/safety_zone/63644-unlawful.html
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Are you asking about the laser itself?

Laser radiation refers to the light emitted from the laser, and yes, laser light can be dangerous.

Are you asking about what they mean by laser radiation?...

I am in the process of upgrading an Emco F1 CNC and I am trying to determine what size/power of stepper motor to replace the originals with.

The originals are Warner Electric SM-072-0060-RA, with...

These links are simply from some Google searching - but they may help others. There are some manuals (programming and maintenance), pics, etc among the sites:

http://www.manus.biz/mem/Page_3.html...

I picked up an Emco F1 CNC and plan to change it over to a Mach3 controller. I am trying to determine what stepper (or servo) motors to switch over to if I ditch the factory ones. I do not know...