Re: buying parts for auto leveling
Thanks. I am not planning on replacing the endstop so I need a new cable. The endstops that came with the kit are the makerbot endstop (a small read circuit board with switch and connector installed)...
View Articleextruder acceleration/deceleration during printing
Hi folks, Might be a simple question or might not. As the hotend moves around printing, does the extruder accelerate/deccelerate the feed rate of filament as it changes direction? Many thanks, Andrew
View ArticleRe: Stepper motors with 7.5deg steps?
Hi, I am planning to use 7.5 degree steppers for my 3d printer. I am using belt drive to increase resolution. First z axis test looks quite promising. My configuration: Motor pulley - 24 teeth...
View ArticleStepper or brushed DC motor with sharp and fast turn
Hello, Wondering if I can find some small and fast programmable stepper or brushed DC motor or something else so desired size diameter 25 maximum 30mm on width 20mm maximum 30mm, which can provide a...
View ArticleRe: Stepper with sharp and fast turn
Do the math. Calculate the motor top speed and acceleration you need to achieve that movement profile. Work out the moment of inertia of the load as seen by the motor, add the moment of inertia of the...
View ArticleClik here to view.
Can I cover the back of the stepper motor
I was going to place a heatsink that covers the back of the stepper motor and this would be covering the open hole area. I was wondering if this was acting like a breather hole and covering it would...
View ArticleRe: Can I cover the back of the stepper motor
No problem in covering that hole. What you see there is the motor shaft end and a bearing.
View ArticleRamps 1.4 x-axis broken
I tried hooking up a stepper motor to the x-axis and it does not turn, even when running the test code which is found here The other axis work fine though. The setup worked about a week ago. The only...
View ArticleHelpppp
hello i am a mechanical engineering student completing project at the minute.The project involves the use of a Bi directional stepper motor that is connected to a blade inside of a cylinder.I need...
View ArticleNeeding Help With Egg Turner Project
Hello, I am trying to build an automatic egg turner for my incubator. I have a powermax stepper motor model # P21NRXA-LNF-NS-02. I am needing to know what all I will need to make this work. What kind...
View ArticleCheapest place to get Nema 17 stepper motor?
Hi, I am planning on building a 3d printer on a tight budget, and so since I need 5 stepper motors, $12 usd for 1 nema 17 on ebay is more than I would be willing to spend. So I was wondering if anyone...
View ArticleRe: Cheapest place to get Nema 17 stepper motor?
most 3d printers have all parts designed around the dimension of a nema 17, to change it is a big job Look around your area for computer and printer recyclers, bigger places that are user friendly....
View ArticleRe: Needing Help With Egg Turner Project
Stepper motors are easy Use pololu drivers [www.pololu.com] Only 3 lines to control enable, step and directions See ramps test code for a simple eg on how to move them [reprap.org] The pins are for a...
View ArticleHelp Finding Drive/Controller
Hi all, I'm looking for help locating a drive for a stepper motor. It is an 8-lead, 2-phase motor, with a max operating voltage of 120 V DC and an operating current of 10 A/phase. I'm looking for...
View ArticleRe: Help Finding Drive/Controller
You're going to need a power supply, a driver, and something to generate the signals to drive it. That's a lot of messing around and expense for something that just needs to turn. Do you have some...
View ArticleRe: Help Finding Drive/Controller
The motor was already purchased by our electrician without consulting me. The reason for buying this particular motor is that it offers the torque we need and can also operate under ultra-high vacuum....
View Article