Genmitsu Upgraded Aluminum Z Axis Assembly V2 Kit With Motor Mount for 775 and 300-500W Spindles, 43mm & 52mm Diameter Holder for 3018-PROVer Series CNC Machine
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Availability:
16 left in stock
Arrives
Wednesday, Jul 22
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Style: V2 Upgraded Version for 3018-PROVer Series
Features
- This Upgraded Aluminum Z Axis Assembly with 52mm spindle mount supports you upgrade your CNC Machine with a more powerful 300-500W motor. It also comes with a 43mm motor mount for fitting the 775 Spindle.
- The spindle mount is exchangeable. The compatible 65mm and 69mm spindle mount is available for ordering now, which supports adding the trimmer router.
- It is compatible with Genmitsu 3018-PROVer V2/ 3018-PROVer/ 3018-PROVer Mach3/ 3018-MX3 CNC machine. There is a Z-axis rotary knob on its top. You can adjust the height of the Z-axis manually without power.
- Compared with the V1 version, the V2 version has reduced the height of the spindle mount so that the effective range of the Z Axis is increase from 40mm to 56mm.
- The spindle carriage is made of high quality aluminium for greater rigidity and durability. It can hold the motor firmly to increase stability and reduce noise. Limit switches and linear bearings are pre-installed.
Brand: Genmitsu
Material: Aluminum
Finish Type: Polished
Unit Count: 1.0 Count
Mounting Type: Top Mount
Brand Name: Genmitsu
Model Number: 056051628
Manufacturer: Genmitsu
UPC: 816550026618
Manufacturer Part Number: 056051628
Unit Count: 1.0 Count
Material Type: Aluminum
Mounting Type: Top Mount
Finish Types: Polished
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Wednesday, Jul 22
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Style: V2 Upgraded Version for 3018-PRO
Excellent. Was able to use it to cut copper alloys and aluminum.
Reviewed in the United States on December 14, 2025 by Daniel
Style: V2 Upgraded Version for 3018-PROVer Series
Perfect! Rigid, stepping to new class!
Reviewed in the United States on January 3, 2025 by Zotya
Style: V2 Upgraded Version for 3018-PRO
Works verry well, Excellent quality and workmanship. Made my 3018 pro a better machine I mounted a RATTMMOTOR 500W Sindle motor to it, Only disappointment is I lost some engraving area on X axis which I will recover by extending the axis and installing a longer lead screw, Don't know why they did not machine the holder to allow all the movement needed like the original holder has. Only other problem was the z axis was reversed, Easel was able to reverse that in machine set up. Overall verry please with the spindle holder, I would recommend this product.
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Reviewed in the United States on April 25, 2023 by Happy Camper
My original unit had a tolerance issue. Deflection that was unacceptable under load. Sainsmart became aware of the problem and contacted me before I could request help. We discussed the issue and how I verified it, with a video of the issue, all within about an hour of first emails. They had a new unit shipped immediately free of charge. It arrived quickly and best of all it completely remedied the issues and improved the stability and quality of the work. When it works it works very well, when it doesn't work they work with you to make it right. Not much more you can ask for.
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Reviewed in the United States on February 21, 2022 by Anthony Garcia
Style: V2 Upgraded Version for 3018-PROVer Series
**Update** To Sainsmart’s credit they offered to refund me my purchase price for this part even though they had no obligation to at all. Customer service 6/5 stars for sure. I do stand behind my review still though - it is still a beefy part but the inability to replace the Y-axis bearings is an issue due to the design. For many people this probably isn’t an issue, but it is something to consider. Upgraded to 3/5 stars due to the tremendous customer support. ———————— Much more heavy duty than the stock unit that comes with the machine. Definitely a better built piece overall. However, it has one major, fatal flaw. The linear rail bearings are absolutely, 100%, nonreplaceable. They appear to be Loctite-ed in place, but worse than that is that the bore that they are placed into has a step down directly in the middle which prevents pressing out the bearing even if there were no adhesive holding the bearings in. I’m not an expert, but this isn’t something I’ve ever seen before, and I’m not exactly sure why they wouldn’t bore the hole a constant diameter completely through. It certainly is not how any other linear bearing hole I’ve ever seen is machined - at least in my limited experience. Regardless of the reason, eventually if these bearings need replacing, you will have to buy an entire new unit because they also do not sell this piece of the assembly as a separate part. For me this is especially troublesome as I have replaced my linear rails with 12 mm rods instead of the standard 10 mm as it makes the machine more rigid. To use this part, I would have to replace my larger rods with the stock, smaller rods which partially negates the reason I bought this to begin with - increasing the overall rigidity of the machine for better performance. I imagine that for the majority of buyers this assembly would be a fantastic upgrade. However for me, the inability to change the linear rail bearings is problematic in multiple ways and prevents me from recommending this as a replacement for the stock unit for anyone interested in upgraded rails or the ability to replace worn parts as needed. For me now, this is simply an overpriced paperweight.
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Reviewed in the United States on October 25, 2025 Reviewed in the United States on October 25, 2025 by "bca_95gsx"
Style: V2 Upgraded Version for 3018-PRO
Overall this product appears to be well made. It is much more substantial than the stock spindle mount and the bearings appear to be higher quality - the X-axis operates much more smoothly than the stock mount. Two nice features are the Z-axis manual adjustment knob and the built-in z limit switches. As others have mentioned this is a little wider than the stock mount so you lose a little bit of x travel. The spindle appears to mount lower and farther forward than the stock mount requiring the gantry to be moved all the way to the back of the side rails (3018 Pro). With the spindle mounted lower the lower limit of the Z-axis is the bottom of the aluminum bed - if you add a 3/8" MDF spoil board your z range is about half of the physical z range. The other annoying issue is the z-axis is wired backwards - up is down, and down is up - making me wonder if this will even work in the stand alone mode without rewiring (others have indicated that Easel will fix the problem, but I haven't tried that yet.)
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Reviewed in the United States on April 22, 2025 by Jon T.
Style: V2 Upgraded Version for 3018-PRO
This is a well made x/z upgrade for sure. They tried to put too much into it with out upgrading the X axis to accomodate it. The 3018 is an entry machine and I expect it to be of lower standards to meet price. The 40cm Y extension is a good upgrade. For this upgrade they need to add 2 x 10mm spacers for the gantry arms, an extended drive screw and steper motor spacers to allow the x/z carraige to run the full length of the 30 cm axis with a little spare, a stronger back brace for the gantry arm and extended guide rails. The problems are: unit is too heavy so it binds at extreme x ranges if guides are tightened. Lossening them makes it work but puts slop into the run. Unit is too wide so you lose at least 10mm of cut path and closer to 20mm as there is no "make up" space outside of the spoil board area. I am not able to surface/level my waste table because the unit can't run past the spoil board with this upgrade. Without well engineered modifications to the gantry arm for X/Z travel this is a $110 paper-weight. Others have also mentioned that the bearings are of lower quality and do not apear to be replaceable. This will be a great upgrade if the manufacturer addresses these shortcomings.
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Reviewed in the United States on October 12, 2024 by Tyler Carlson
Style: V2 Upgraded Version for 3018-PRO
High quality upgrade.
Reviewed in the United States on April 3, 2025 by cafenitz