This is my first post so bear with me. This is more of a 'will it work' rather than 'why won't it work' post
I have a NEMA 17 200steps/rev, 12V 350mA stepper motor that i want to use to tilt a monitor. The screen is on a hinge system, so essentially this motor will tilt ( with a scissor lift mech.) it to a 45 degree angle and then back when I'm done. Is this motor strong enough?? The monitor is a 24" Asus Lcd, so its not heavy. Plus i do have it attached to sliding window hinges ( on each side) that will hold much of the weight. Right now i have it wired through a L293NE H-bridge to my Uno to make sure it works and i know how the motor wiring goes. Is there a better way to wire this or will this work as well? Im trying to build a table that has a tilting monitor. This way the screen is only visible when I'm using it
If there is a better solution please don't hesitate. I am still very new to Arduino and appreciate any and all help/suggestions. Thanks is advance!
You need to provide a diagram showing how your mechanism will work. A great deal depends on that. With suitable gearing or leverage a small motor can move a large item slowly.
I wonder if a DC motor with a screw or worm drive would be a better choice because it will hold position even when switched off. A stepper motor draws full power (or close to it) even when stationary.
tjnoma99:
The monitor is a 24" Asus Lcd, so its not heavy.
Tell us the masses and dimensions, "not heavy" is not a measurement!!
Also a stepper does sound complete overkill - this is a job for a simple linear
actuator surely?
Robin2:
You need to provide a diagram showing how your mechanism will work. A great deal depends on that. With suitable gearing or leverage a small motor can move a large item slowly
Soon as i get a chance I will upload a drawing to give an idea of what I'm trying to accomplish. I didn't think a DC motor could hold its position once stopped.
MarkT:
Tell us the masses and dimensions, "not heavy" is not a measurement!!Also a stepper does sound complete overkill - this is a job for a simple linear
actuator surely?
The screen is 9.7 pounds, 22.3 x 8.6 x 15.8 inches. I didn't go with a linear actuator because i don't have the room for one. Plus a liner actuator is louder than i want to deal with.
tjnoma99:
I didn't think a DC motor could hold its position once stopped.
The motor can't. It is the combination of motor and worm or screw drive that holds the position.
...R
A servomotor can hold position (actively or passively via the brake), as can a stepper (actively) or anything
with a worm drive (passively).