Bridge design for raised x Axis cnc

[flexbex]

Hi I am about to build a CNC machine to cut wood and foam. The design has a raised x-axis. The focus is put on speed and less on the ability to cut harder material like aluminum. sizes are 4m x-axis, 1,4m y axis and 0,25m z axis. X and Y uses a rack and pinion drive z axis a ballscrew combo. The combo is screwed on a 0,4m x 0,25m aluminum plate. Now I am considering how to build the bridge? As my focus is put on fast cutting I would like to build the bridge as light as possible. To keep costs down I would prefer to build it from steel. Do you have any suggestions?

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[peteeng]

Hi Flexbex - I'm designing a kit router with gantry that would suit your build. Read the Maximus thread in the forum may give you some ideas. Peter

[flexbex]

Hi Flexbex - I'm designing a kit router with gantry that would suit your build. Read the Maximus thread in the forum may give you some ideas. Peter

Oh great thx looks very promising. But will take a while to go through 270 posts :-)

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