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Your cart is empty.Package include: 1 pcs Lead Screw and 1 pcs Brass Flange
Bunnykiller
Reviewed in the United States on May 27, 2020
I ordered this part back in april maybe may, its been that long ago I forgot when. It took forever to get here and when it did get here it was just the packaging. The rod was missing due to a hole in the package. Either US Customs retaped the hole very poorly and during shipping it became lost or the package saw enuf wear and tear it ate a hole in the bottom of the package. But, the company was cool about it and sent me a replacement for "free". Had to wait 5 months on this project due to 1 missing rod. Hopefully the company will improve the packaging so it wont eat a hole in it and fall out.
School Reports
Reviewed in the United States on June 2, 2016
I have not installed this yet, but it looks perfect. It is straight and true and the nut travels smooth and easy from end to end.
juki
Reviewed in the United States on May 19, 2016
The brass nut that came with the rod has WAY too much play in it. I'm going to attempt to use some nylon thread tape to see if I can get a closer fit. Otherwise I'll have to try to find a brass nut that is more accurately threaded. Not acceptable for a Z-axis combo; the screw seems fine, solid craftsmanship. I'm disappointed in the quality control of the product. Would have taken a worker a fraction of a second to spin the nut once or even shake it to see if it's loose.
gizmoli
Reviewed in the United States on December 6, 2016
have not installed yet. However, freeplay of nut on the leadscrew leaves me expecting some back lash will still be present on the Z axis. WIll update this note after installation and testing.
Ryan C
Reviewed in the United States on January 16, 2016
Quality is decent, screws are straight enough, BUT -- it's not 8mm lead. In 15 revs, the nut travels 121.5mm. So the thread pitch/lead is off by over 1%. That's WAY out of tolerance for precision motion applications like 3D printing or CNC. I was planning on pairing one of these with another (correctly-dimensioned) tr8x8 lead screw, but they'd be ~5mm out of sync after travelling the full range of motion. Completely unacceptable for my intended use.
Michael S.
Reviewed in the United States on September 23, 2015
Installed on my printrbot simple with an aluminum coupler/adapter to the motor. Works great, love the extra Z axis speed. Really love not having to convert English to metric for later heights anymore.
Customer
Reviewed in the United States on November 28, 2015
Got this to upgrade my dad's Geeetech Prusa I3B. The screw is 8mm in diameter while the Geeetech's original threaded rod was closer to 7.5mm. So a new Z-Axis top plate is needed. Fortunately, you can find one on Thingiverse that's a close match but you'll need to modify it to fit the acrylic risers. The thread pitch is actually 8mm and not 2mm since there are 4 simultaneous threads. That means a z-axis steps-per-unit of 400 is needed for the stock Geeetech motors. The print results didn't have the "z-wobble" bands with this upgrade.
mcizatt
Reviewed in the United States on April 3, 2015
So far these look great. are extremely smooth and come as advertized. The packaging was just a bubble wrap bag with some other bags over the product but they arrived clean and straight. I have yet to install them on my 3d printer but see no reason they will not work great. The time estimate on the tracking was way off. They arrived in about 15 days. They are coming direct from China.
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