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Forum: 20. Gantry

Wed 26 January 2011, 16:57

Replies: 10

Tolerance in length of y-beams

Views: 22,894

Posted By Red_boards

Thanks for the tips, Ken and Ross I ended up...

Thanks for the tips, Ken and Ross
I ended up using vice-grips instead of the clamp. They held tighter.
You're right on the bar shifting with a single hold down point (how do I know?).
If I'd have...

Forum: 20. Gantry

Tue 25 January 2011, 20:21

Replies: 10

Tolerance in length of y-beams

Views: 22,894

Posted By Red_boards

Thanks for the encouragement. I put a thin disk...

Thanks for the encouragement. I put a thin disk in place, clamped the beams together and worked my way around. Results were not exact (i.e. the beginning and end did not match up completely, but...

Forum: 20. Gantry

Wed 19 January 2011, 21:39

Replies: 10

Tolerance in length of y-beams

Views: 22,894

Posted By Red_boards

Thanks for the quick responses. Yes they are...

Thanks for the quick responses.
Yes they are 10mm too long, which means the length is 1750mm (1749 actually, as I recall).
OK, I'll find a cold cut saw that will give a good result. I have some...

Forum: 20. Gantry

Wed 19 January 2011, 19:58

Replies: 10

Tolerance in length of y-beams

Views: 22,894

Posted By Red_boards

Tolerance in length of y-beams

The drawings give the dimension of the y-box section tubes as y+500mm.
In my case this is 1240+500 = 1740. My "generous" supplier cut the tubes 1741mm. I'm concerned that I won't be able to trim...

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