1)

The first machine is a good one for someone who want to start to build his first machine. The cutter spindle moves in X and Z direction.

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Good :

-Easy to make
-Stable

Bad :

* because your product moves

-You can not engrave heavy weight material , because your stepper must keep the product on position

-The size of engrave is not so big

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Good :

-Easy to make

-When the X and Y ax are not 90 degrees with the Z ax , he will engraves everywhere the same depth.

Bad :

-because your product moves

--You can not engrave heavy weight material , because your stepper must keep the product on position

--The size of engrave is not so big

-not so stable as machine 1, because when your product is heavy and you must engrave at the end of the Y ax , your product will moves your table below

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Good :

when you engrave very big nameplates, you can place the machine on your material. So you can engrave plates of 3 m X 3meter.

Bad :

-not so easy to make the machine stable

-the y leading must be very stable and precisely.

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Good :

-It’s good to make

-your product length in Y direction is not limited.

-very good for engrave electronic print cirquit boards.

Bad :

-you must use good leadings for the y ax, because he can easy turnover.