Very interesting work! Trying something different is creative, and showing results, especially when not all goes well, is instructive. Two very nice qualities to have. I also enjoyed your more recent videos. Keep at it.
100% The best way. It’s something I very much want to learn. I’ve never done it and don’t have the tools yet. If my new method doesn’t work I’ll be taking the table and base to a local machine shop to get them flattened out.
You could also mount the block upside down in a vice and measure bottom of the rail. Distance from bottom to groove is more important than bottom to top. Wish you luck with the build.
I think I know what you’re getting at. I also measure it by putting a bearing block on it and measure from the block to my straight edge. I’m not super concerned with rail height, as I know I’ll be compensating for my warped table by shimming the bearing blocks on the saddle.
2:18 how you know that rail you use measure is flat? lol it looks like it bump same ammount every hole area and again that top surface not mean anything.its not touch balls.how much that effect on lathe. our company lathes are more flat notins lol. and even its for mill. you just mill tip plate? ehh its flatish then lol
is linear rail use that top surface? why it need be flat it use those round corders where ball bearings touch lol. and what if earth is round and that flat you think not flat its curved? you cant do flat surface its allways curved lol. its just flatish LOL
I measured both against a 24” granite straightedge. With the indicator on the granite. If you try to measure the flatness on the round surface where the ball bearings roll, if the rails aren’t perfectly parallel the flatness reading will change if the rails get closer or farther apart.
Very interesting work! Trying something different is creative, and showing results, especially when not all goes well, is instructive. Two very nice qualities to have. I also enjoyed your more recent videos. Keep at it.
Seems like scraping would be a good option here.
100% The best way. It’s something I very much want to learn. I’ve never done it and don’t have the tools yet. If my new method doesn’t work I’ll be taking the table and base to a local machine shop to get them flattened out.
You could also mount the block upside down in a vice and measure bottom of the rail. Distance from bottom to groove is more important than bottom to top. Wish you luck with the build.
I think I know what you’re getting at. I also measure it by putting a bearing block on it and measure from the block to my straight edge. I’m not super concerned with rail height, as I know I’ll be compensating for my warped table by shimming the bearing blocks on the saddle.
Place the dial needle on the ball bearing race track
I want to buy the bed, where can I buy it?
Yeah i would have blocked them even over adding epoxy but what ever works!
but better then use grinding this surface ,
2:18 how you know that rail you use measure is flat? lol it looks like it bump same ammount every hole area and again that top surface not mean anything.its not touch balls.how much that effect on lathe. our company lathes are more flat notins lol. and even its for mill. you just mill tip plate? ehh its flatish then lol
is linear rail use that top surface? why it need be flat it use those round corders where ball bearings touch lol.
and what if earth is round and that flat you think not flat its curved? you cant do flat surface its allways curved lol. its just flatish LOL
I measured both against a 24” granite straightedge. With the indicator on the granite. If you try to measure the flatness on the round surface where the ball bearings roll, if the rails aren’t perfectly parallel the flatness reading will change if the rails get closer or farther apart.