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Posts Made By:
Gerald D
Forum:
10. Base Table
Fri 02 April 2010, 02:56
Replies:
84
Table: Adjustable/Lift Design
Views:
103,391
Posted By
Gerald D
If I look at the sketch plans in this thread, the...
If I look at the sketch plans in this thread, the moving table has become heavier than the static x-rails. And that leads to the question; Why not make the table static and do the height adjustment...
Forum:
10. Base Table
Thu 01 April 2010, 22:18
Replies:
84
Table: Adjustable/Lift Design
Views:
103,391
Posted By
Gerald D
Once you clamp/tie the table top to the x-rails,...
Once you clamp/tie the table top to the x-rails, then you suddenly get a lot of strength, as per basic plans, which need very much less steel.
Forum:
10. Base Table
Thu 01 April 2010, 21:45
Replies:
84
Table: Adjustable/Lift Design
Views:
103,391
Posted By
Gerald D
Your x-rails beams are weak in the y-direction...
Your x-rails beams are weak in the y-direction when the gantry sits in the middle of a board . . . . .those beams will wobble a lot.
Forum:
10. Base Table
Thu 01 April 2010, 09:51
Replies:
84
Table: Adjustable/Lift Design
Views:
103,391
Posted By
Gerald D
2 Comments: - if you can achieve a...
2 Comments:
- if you can achieve a locks/clamps, then you can discard 50% of the steel you have shown above.
- whatever clamp system you employ, it must not disturb the alignment of the x-rails on...
Forum:
10. Base Table
Wed 31 March 2010, 21:22
Replies:
84
Table: Adjustable/Lift Design
Views:
103,391
Posted By
Gerald D
A CNC table must be be able to carry rapidy...
A CNC table must be be able to carry rapidy changing horizontal cutter forces. It is the x-rails that impart these forces, and thus a stiff connection between the x-rails and table surface is desired.
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