A Linear motor is just a ball screw / lead screw with a stepper motor driving it? if this is for a 10,000 word dissy, then I really think that...
Go for it, I do suggest first drilling out the threads to a clean bore, as otherwise if some swarth gets up inside between the thread and the...
Paul T, Sorry to be a negative, but if the free energy system requires frictionless bearings to work, "then the free energy must be consumed by...
Find a youtube video of a similar machine and the community will suggest methods of achieving the same output. I'm assuming that you are not...
Very impressed. Incredible looking work also. Only improvement that I could suggest is on the gallery page, remove the helicopter in the...
[IMG] The Image had disapeered from the last post so i thought i would reattach it.
Galvanic corrosion only generally occurs when water and an additional component like salt or chemicals are present. what I am basically asking is...
I must admit, that I was a little sceptical of the joint design initially, but doing some simple calculations does suggest the joints to be more...
Rudimentary test, using nuts to try and stretch the cold formed U bolt to see whether the bar snaps before the threads rip out. as you can see...
My gut feeling is that the thread would strip on the inside of the nut before the actual bar fails from snapping. even around the deformed radius...
all I was suggesting is box section frames, with out welding techniques, are quite a tricky profile to join together. say if you look at most...
Looking at the images attached, you would have to heat the threaded rod up to cherry red - golden to bend as tight bend radius as that. And I'm...
I agree with Bill, the comment above. the initial post asks "Will there be any problem caused due to continuous change of rotation direction" I...
http://editorial.designtaxi.com/news-pin3105/1.jpeg Just an Blue Sky thought... if you where to have an entire block of spring loaded pins,...
A quick google of "Flying probe tester" brings up all these incredibly complex and accurate CNC probes. To what level do you want to produce your...
Right.... Hopefully got my head round it for another attempt. A jerk would be created by a change in acceleration, and the changes of acceleration...
Bill @ erg, surely the max acceleration will be when the crank is at 90deg to the main journal bearing. Therefore middle of the stroke. It will...
Sciyer. I would have thought that the crank effect of the direction changes would work in its favour. Can you explain what you mean by a...
I had no experience in plastics, but looking from the outside in, the harder the paint finish, I would expect the least resistance to tare / bind...
[IMG] First you need to decide on how your mechanical finger wants to move. My first concept made the assumption that you would require it like...
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