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SATURDAY, 27 FEBRUARY 2021


X / Z AXIS UPGRADE PARTS 1 - 6 - CNCNUTZ EPISODE 251 - 256



 Hi Guys,

Its been about 2 years since I did upgraded my Y axis and I've been planning the
upgrade of the X / Y axis ever since. I've had a general idea of what the new
final build will look like but there were many final points I wasn't sure about.
Even as I write this there are still some details I have no idea about like how
I will connect the X axis motor drive. 

I've put it off long enough and thinking about it won't help as there are some
things I just need to see and work on as I go so I am better off getting on with
it instead of thinking about it. 

So Why do I want to update? The original design was a Joes Hybrid 4X4 cut down
to 2 & 3 to suit the area I have available in my workshop. It has been a great
machine but it is also has developed an issue with the X / Z carriage. It is
made from MDF which is an excellent material for making things. I'm just not
sure MDF is the best choice for mechanical items like this especially 10 years
on and after it has done as much work as it has. I could have just cut a new
carriage and probably had it replaced in a day but I want to try something new. 

With all this in mind I am just going to get on with it and start the build, or
in this episode the tear down. I have given myself 2 weeks to get it back up and
running so lets see how I do.

 

Part 1








 

Part2







 



Part 3





 



Part 4











 Part 5















 

  Part 6


















Components used in the build

Note: These links are not affiliated links. They are simply where I purchased my
components from. I am not experienced with linear bearings nor do I know know
the quality of the various components.


 

Z axis
https://www.aliexpress.com/item/4000317611601.html


 The machining of the aluminum parts look to be good. The quality of the linear
rails and ball screw is unknown as they are generic Chinese components. That
said they are the same parts I would have bought if I was building one from
scratch.
The Z axis travel is 250mm


 

X axis Rail
https://www.aliexpress.com/item/4000822973126.html

The extrusion is called 80160 and is a very solid extrusion.
There is also a 60120 version of the extrusion is a smaller one is required.

https://www.aliexpress.com/item/4000826413617.html

The Linear rails are 20mm linear bearings.






 

X Axis Rack and pinion drive
https://www.avidcnc.com/standard-rack-and-pinion-drive-nema-23-p-50.html

 This is an updated version of my X axis drive as I bought mine about 10 years
ago.
There are also Pro drive versions available which have better tolerances and
uses bearings.


 

Drag Chain
https://www.aliexpress.com/item/32995303844.html

This chain forms the major cable runs on my machine. It cannot be opened so that
may be something you would like to consider when selecting a chain type.




Spindle
https://www.aliexpress.com/item/32803624943.html


The spindle is 2.2kw or 3hp. It has ceramic bearings and I replaced my previous
spindle because the bearings are making a rumbling noise.




Misc
Tee Nuts 40 series 5 & 6mm
https://www.aliexpress.com/item/32857315449.html



Tee Nuts 30 series 5mm
https://www.aliexpress.com/item/32690187974.html




Cap Screws
https://www.aliexpress.com/item/10000150053486.html


Inductive sensors
https://www.aliexpress.com/item/4000053393526.html








Cheers Peter



Posted by CNCnutz at 01:27 4 comments:
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ABOUT ME

CNCnutz Hello and welcome to my Blog. My name is Peter Passuello and I live in
New Zealand. My interest in CNC machines over the last 10 years has extended to
making videos in an attempt to entertain and instruct on using these machines as
well as provide enjoyment. I hope to use this platform as a place to expand on
the Youtube content I provide. Thanks for taking the time to look and I hope you
will continue to enjoy. Please feel free to leave comments and ask questions by
using the contact form on this site. Cheers Peter View my complete profile



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