CNC Router build with HSR45 rails?

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15 Mar 2021 16:11 #202365 by Catch22
Hi everyone, I'm in the process of building a 4x5 cnc router I have some hsr25 rails that will go on the gantry and I also have some hsr45 rails with bearings that I bought for dirt cheap and was going to use them on the y axis, I know this is over kill but do you think it will cause any problems for me. Any input would be greatly appreciated.
Thanks Mike

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15 Mar 2021 21:12 #202412 by tommylight
Besides requiring beefier motors, they are just fine. More than fine, overkill as you mentioned. Those can run a metal milling machine easily.
Just the force needed to move HSR45 carriages is huge compared to what normal plasma machines use.
Go for it.
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