meccanicamg
Guest
boh... the designers of today design without knowing where they are going and what they are doing..... We're losing our targets.
TETRASTORE
Guest
Let me think about it.
the user Ömaimagiia is a student struggling with a project that has no experience, so he addresses the forum to ask for help. In general, a lot of information about this sectoral application, as well as others, belong to the know-how of construction companies, for which they are hardly dealt with or the dissemination of calculation procedures and experimental surveys.
It is therefore natural that the student without experience seeks information not only on calculation procedures but also on how to deal with the problem, therefore those who already have an acquired experience it is right that it also helps in the approach of a methodology that starts from the choice of the project by imposing, besides the known ones, the real data on which to operate.
This is our modest contribution that we have to make if we want tomorrow to become a good designer.
the user Ömaimagiia is a student struggling with a project that has no experience, so he addresses the forum to ask for help. In general, a lot of information about this sectoral application, as well as others, belong to the know-how of construction companies, for which they are hardly dealt with or the dissemination of calculation procedures and experimental surveys.
It is therefore natural that the student without experience seeks information not only on calculation procedures but also on how to deal with the problem, therefore those who already have an acquired experience it is right that it also helps in the approach of a methodology that starts from the choice of the project by imposing, besides the known ones, the real data on which to operate.
This is our modest contribution that we have to make if we want tomorrow to become a good designer.
meccanicamg
Guest
The guy says he's planning, but he doesn't have the data.
in our time we went to the field to time.
Now you can copy whole machines from the various videos that are on youtube....chronometrando the movements and therefore estimating average speeds.
is what makes the difference between designing and pulling rows.
in our time we went to the field to time.
Now you can copy whole machines from the various videos that are on youtube....chronometrando the movements and therefore estimating average speeds.
is what makes the difference between designing and pulling rows.
mainagioia
Guest
good morning, after the specification we should do conceptual design, and to make some choices I would have doubts. I am thinking of feeding the electric current com-insertion, and I would therefore like the piston to go in both verses, also working at more than 2 speeds. by research I found a bipolar step motor, but it is not clear to me if this engine can work at different speeds already intrinsically it serves well for the common home network and powers of more than 100 w. otherwise I should use a single-phase asynchronous electric motor, to issue a double deviator for the reverse of the piston and a reostate (but I would avoid putting sour heat sources near the meat), an inverter only (but I want some frequency and several voltage so I wanted to understand if the step-by-step already guarantees more speed and if it is invertible of its own. while for any gaskets between piston and cylinder are well kept crawling? thanks for your possible support, very kind.
meccanicamg
Guest
a bipolar motor has two basic speeds depending on how to feed the clamps. He just needs some remotes.
mainagioia
Guest
Thanks for the answer. Are you saying that by reversing the direction of the current the engine turns in the other direction or has 2 speeds available in the same direction? I have thought various solutions:
1)motor asynchronous monophase with inverter and voltage modulator to vary the number of turns
2)Motor step by step with driver but I don't know if it has right applications and if it is invertible
3) brushless motor that at what I read can vary the speed but I do not understand how. in the sense when you take action choose at what speed to make it go directly without other devices?
for your suggestion I failed to find that switches or relays may vary the number of turns of a motor. So if you could explain to me better how it works. are there contactors that if you activate them go faster? do they have a specific name? What do you think of the solutions I described above,you know how to make me clear? Thank you.
meccanicamg
Guest
all engines turn in the two senses and at variable speed if you put the regulator opportunity.
what I wrote to you refers to the explicit request of two-polar motor so you will have in the engine two windings that makes go 4-8 poles 4-12 poles or what you find in the catalog. are caged engines of squirrel 230/400v.
However, there are already engines with a built-in motor cassette that contain a programmable ramp inverter.
what I wrote to you refers to the explicit request of two-polar motor so you will have in the engine two windings that makes go 4-8 poles 4-12 poles or what you find in the catalog. are caged engines of squirrel 230/400v.
However, there are already engines with a built-in motor cassette that contain a programmable ramp inverter.
mainagioia
Guest
Good morning.
I repeat the thanks for your previous interventions. being the vertical development insulator I have to make sure that the piston goes down vertically and I thought of turning the rotary motion into a translatory through a rack that will be connected to the piston. the rack besides gearing the pinion as it keeps? Are there any guides to keep it on board? Are there any creeping seals or anything to prevent dust entry at the point where the rack comes out? Thank you.
I repeat the thanks for your previous interventions. being the vertical development insulator I have to make sure that the piston goes down vertically and I thought of turning the rotary motion into a translatory through a rack that will be connected to the piston. the rack besides gearing the pinion as it keeps? Are there any guides to keep it on board? Are there any creeping seals or anything to prevent dust entry at the point where the rack comes out? Thank you.
mainagioia
Guest
mainagioia
Guest
mainagioia
Guest
Excuse me, good evening, one more question. for the piston material what do you recommend? are there suitable materials for food contact that are useful for making pistons and weighing little? I did a minimum of optimization and hypothesized 3 possible materials:
base 3d ultrafuse sebs fused fillament,
honeywell spectra 1000 fibers,avient edgetekas30cf/000 uv acrylonitrile butadiene styrene(abs) carbon fiber reinforced. I have done the accounts and hold all 3, with not great thicknesses and contained masses. The fact is that I don't know if they are harmful and I don't understand where to take the information. if you know these materials, or if you can advise me on coatings, do it as well. Thank you.
base 3d ultrafuse sebs fused fillament,
honeywell spectra 1000 fibers,avient edgetekas30cf/000 uv acrylonitrile butadiene styrene(abs) carbon fiber reinforced. I have done the accounts and hold all 3, with not great thicknesses and contained masses. The fact is that I don't know if they are harmful and I don't understand where to take the information. if you know these materials, or if you can advise me on coatings, do it as well. Thank you.