I’ve searched this forum and found nothing on this problem (if it is a problem). When I insert the router in place the whole thing drops down about 5/8". Is this normal?? I’ve checked and double checked the spring locations to make sure I’ve installed them correctly.
When the machine is off the Z axis is loose and it may sag. When the machine is on and the stepper motors are powered you should see no movement in the Z axis.
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The springs should not lift the router all the way to the top as @i3oilermaker noted — if it did, the machine wouldn’t start up right for the Z-axis homing switch being closed.
The springs are just there to keep from snapping off a delicate endmill in the event of a loss of power.
Thanks guys. I kinda thought it wasn’t really a problem. So I guess this means I have to have the machine on in order to do the tramming.
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Just to be clear, with power off my Dewalt 611 router on the stock Z assembly drops about 1/2" to 3/4" if I manually lift the router all the way to the top and gently let it go. The springs will not hold it up with the power off. However if the router is dropping with the power on that is a different story.
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