Quote Originally Posted by Clive S View Post
Remember the F length 30mm is in the total length on the screw.

The bolts used are generally cap heads
Hi Clive,

Yes, i discussed this with Fred.

He is a patient guy .

I want some spare cm of travel in the Z design... i am not sure i like the height of the z axis though.. I like compact.

I want the extra head room in z ballscrew for MK1a gantry...

what ?!!! NO NO NOO... 🤤🤤🤤


No.. im not sure 80x 120 will do and calculate in a design change to a more beefy gantry ....some day... with more travel...


Well i want at least 200mm +Z travel.. so

Travel + nut + bf bk + F = 30 for pully =
+/- 320 .. so 350 for Z should do.



Grtz Bert



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