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winch bumper on the c.a.d
smo:
--- Quote from: "Porny" ---
--- Quote from: "smo" ---As a 3D CAD designer i have to ask, but i take it you/they have done full FEA analysis of the design?
--- End quote ---
I did wonder the same thing.....
A link: http://en.wikipedia.org/wiki/Finite_element_analysis
Ian
--- End quote ---
Thats the one, cheers Ian :)
You see there is very little point in doing a design like that in 3D only to then build it and find that although ti fits perfectly as you expected its not strong enough, or flexes in places or has a weak spot all of which can be analyised and overcome in the design process using FEA analysis :)
Guardian.:
THING IS, WHEN YOUVE BEEN BUILDING STUFF WI METAL FOR YEARS, FOR EXAMPLE 40 FOOT LONG, 20 TON STONE CUTTING MACHINERY WITH 3 METER DIAMETER BLADES, YOU KINDA HAVE A GOOD IDEA OF HOW THINGS ARE GOING TO BE.
AND THEN AS THE MAN SAYS, THERE IS NOT COMPUTER PROGRAM IN THE WORLD THAT IS LIKE REAL LIFE TESTING.
AND FOR THE PURPOSE OF A WINCH BUMPER THAT IS BASICALLY PULLING YOU OUT THE POO, IT IS MORE THAN UPTO!
LOT OF PEOPLE DONT SEEM TO GRASP THEY ARE BOLTING IT TO A 2MM CHASSIS.
THEN YOU JUST HAVE TO GET THE BALANCE OF WEIGHT AND MATERIAL THICKNESS, AND HOW ITS MADE SO ALSO REDUCING MATERIAL THICKNESSES.
LOTS OF PEOPLE WANT 'X' BUILDING AND 'CAN I HAVE IT IN 3INCH PLATE SO IT WONT BEND', WHEN IF IT WAS MADE CORRECTLY, 5MM PLATE WOULD BE JUST AS GOOD, AND WEIGH MUCH LESS.
Mudlark:
--- Quote from: "smo" ---
--- Quote from: "Porny" ---
--- Quote from: "smo" ---As a 3D CAD designer i have to ask, but i take it you/they have done full FEA analysis of the design?
--- End quote ---
I did wonder the same thing.....
A link: http://en.wikipedia.org/wiki/Finite_element_analysis
Ian
--- End quote ---
Thats the one, cheers Ian :)
You see there is very little point in doing a design like that in 3D only to then build it and find that although ti fits perfectly as you expected its not strong enough, or flexes in places or has a weak spot all of which can be analyised and overcome in the design process using FEA analysis :)
--- End quote ---
And I'm sure it's very necessary today due to the big boys wanting to make as much profit out of nothing as they can.
I believe in Guardian's case the use of CAD was to see what it would look like, not to see if it would work or, more often, how flimsy can it be made to take the loading for say 10 or so times before it disintegrates, so we can chare 600% over the odds for it.
Guardian.:
folks, im not trying to be clever or make any thing flimsy! far from it.
the only reason i had this cad thing is thats how the laser programmers get there programs for the laser cutting.
its nothing to do with me, i just make a prototype, give it to them and they measure and draw it up to my spec, then once its on the cad thing, it sends the program to the profiler and the press computers.
i just thought it was really smart how something that doesnt exist, i can watch it on a video.
AbyssDJ:
who cares anyway? i think its wicked.. so i'll have one when they're done i reckon :P
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