Question 1

Ok so when my z axis plunges into the material there is play and the mill tip gets deflected up will this solve that?

Accepted Answer

The anti-backlash spring is a lot stronger that the original holder

Question 2

I have the 3018 pro but the stock spindle diameter is 43mm. I cant find an upgrade for a 43mm diameter z axis mount. Or am i missing something here?

Accepted Answer

Hi,
Firstly the image shown is for the '3018-PROVer/PROVer Mach3/MX3', not the 3018 Pro! The 3018 Pro version is available on the same Amazon page as the 3018-PROVer/PROVer Mach3/MX3, to the immediate left of the rectangular box stating '3018-PROVer/PROVer Mach3/MX3', just left click on the to the left of the rectangular box & the page will update to the '3018 Pro version of this upgrade  (same price).

That said, you will need to buy a 300W to 500W spindle motor with 52mm body diameter to use this upgrade & discard your existing 42mm motor.
You will also require a new separate power supply to suit the new spindle motor along with a PWM speed controller to drive the new motor.
I have done the above upgrade for my 3018 Pro with 300W spindle motor upgrade, & now get really good cuts & finishes from my 3018 Pro.
This does involve additional expense but is well worth the investment.
Regards
Laurence Barron

Question 3

What is the linear bearing diameter? I am looking to get this upgrade and I have 10mm stainless steel rods.

Accepted Answer

Hi, I ordered the Genmitsu Aluminium Z Axis Spindle Mount 300-500W Spindle Holder 52mm Diameter for the 3018-Pro, & its' linear bearing diameter is 10mm. In the same Amazon page as the the Prover version, lower down the description you will see selection boxes for either the 3018-Prover & the 3018- Pro versions, so depending on what CNC machine you have, simply select the appropriate box. I do not know what the linear bearing diameters are for the the Prover version, but the 3018 version are 10mm. I hope this helps.

Question 4

Will it fit a mostics cnc 3018 pro

Accepted Answer

It only fits after the bottom X guide was removed , then moved down in the Z direction by 1mm.
Note that the 2 parallel X bars is to hold the Z axis module. (The gap is not wide enough).
I originally forced it in.(BIG MISTAKE).
I had to re-drill the side support holes for the bottom X axis  shaft after filling the original screw hole with glue.
The glue hardened and dried, then I drilled.
The 1mm increase made the Z axis module travel easily.
Measure the gap (exact centre to exact centre before installing).

ASIN	B0BXRYXX91
Best Sellers Rank	345,812 in Home & Kitchen ( See Top 100 in Home & Kitchen ) 42 in Spinning
Brand	Genmitsu
Colour	Blue
Country of Origin	China
Customer Reviews	4.2 4.2 out of 5 stars (51)
Finish	Powder Coated
Item Weight	1.89 Kilograms
Manufacturer	Genmitsu
Material	Aluminium
Model Number	566005021
Mounting Type	Machine Mount
Part Number	566005021
Set Name	Genmitsu 3018-PRO CNC Machine Upgrade Set
UPC	816550026601
Unit Count	1.0 count

Genmitsu Upgraded Aluminum Z Axis Assembly V2 Kit, with Spindle Motor Mount for 775 Spindle and 300-500W Spindle, 43mm & 52mm Diameter Spindle Holder for CNC Machine 3018-PRO

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