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Diaphragm Shaft Coupling
For high-speed shafts connection. It compensates the axial, radial, and angular offset of two coupled shafts and transmit torque without wear and need for maintenance
Introduction of Shaft Couplings:
Know the Size You Need
We provide various kinds of rigid flange coupling for choosing. Please check the correct size: d1, d2, L, and D before purchase
Applications
Widely used in motor vehicles, conveyors, escalators, agricultural, forestry, and mining equipment, aeronautics, robotics among others
Diaphragm Parts
Used to link 2 rotating shafts that are not aligned in order to transmit the rotational power, known as torque, from 1 shaft to the other
david
Reviewed in the United States on March 1, 2024
needed to assemble a 6mm motor to 1/4" stainless rod for a sanding jig, one I made to assemble and sand/shape cork rings for fishing rod grips. It also aids in eliminating excess vibration from motor alignment.
Luis Caceres
Reviewed in the United States on November 2, 2023
Excelente junta que por un lado elimina vibraciones de pequeños desalineamientos y por otros resiste muy bien tirones axiales. Asi es ideal para usar en ejes verticales pesados.
M. F
Reviewed in the United States on February 19, 2022
Do yourself a big favor and get these for your 3d printers Z axis. They cured most of my layer issues, banding etc. The stepper motor end sits dead center to the threaded rod now. No more wiggle of the threaded rods. Quality product.
tim swearinger
Reviewed in the United States on May 20, 2021
These are worse than the stock lead screw coupling for 13 dollars apiece I paid don't waste your money
KYLE
Reviewed in the United States on March 22, 2021
Will fit many 3d printers, no give or slop, but does allow a little angular movement if your Z screws are a little out of whack
Paul
Reviewed in Canada on March 19, 2021
I got this to 'upgrade' the coupler connecting the z-rod to the stepper motor on my Ender 3 Pro 3D printer. It was supposed to make things better, but it made the prints come out worse. Had to swap back to the original. I'm not sure if that is a reflection on the coupler or the printer or what. It might work fine in other uses, but didn't for this one.
foureight84
Reviewed in the United States on April 25, 2021
These may be cloned ruland disc couplers but they work well for 3d printers. The machining is not perfect but accurate enough. Make sure to not bottom out the motor shaft and lead screw when using these. There should be an airgap between the lead screw and the shaft. Just make sure it's flushed with the inner metal lips. If the two are bottomed out and touching, you essentially end up with a semi-rigid coupler which will cause a lot of headaches. If you're using this in a dual-z 3d printer, make sure your carriage moves freely along the z-axis. Uneven friction on either side will result in uneven movement (lag) as disc couplers are designed to have a little bit of compression.
David
Reviewed in the United Kingdom on May 27, 2020
expensive, but much better than those ones with the plastic bits. recommended.
Kate G.
Reviewed in the United States on March 21, 2020
They work well I was looking for something that kept both shafts aligned on center but allowed for some flex without adding any dampening/sponginess to rotation. That is pretty much exactly what these do. They do not have any sort of break away mechanism, I didn’t want that, but don’t expect these to save you if you’re crashing things into each other.
MEmanuel
Reviewed in the United States on December 20, 2020
I was looking for a coupler to fit in a tight spot and thought this would work. Of the 2 couplers I ordered, one of the couplers is almost a mm wider and has a slightly different finish, but the other is perfectly acceptable. I will be returning both and looking for a more consistent quality coupler.
Giuseppe
Reviewed in Italy on April 17, 2019
Sembra molto più resistente rispetto a quelli totalmente in alluminio flessibili , promette bene
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