[Lab] a-axis design

[Michael]

1/2"-20 is also known as 1/2" NF (National Fine). I only have a 1/2" NC 
tap which is 13 tuns per inch.
The 20pc set from Canadian Tire doesn't have the 1/2" NF either. You can 
find singles at most hardware stores for a few dollars...

Michael

http://NoMiDesign.net/
http://krazatchu.ca/


On 7/8/2011 8:27 AM, Darcy Whyte wrote:
> Hi,
>
> I'm curious if anyone has any feedback on my a-axis design. Picture: 
> http://mambohead.com/2011/07/a-axis-2/
>
> When using an A-Axis I was thinking that I could mount the work piece 
> in two ways. I could have a chuck at one end and a flat plate at the 
> other.
>
> The flat plate would allow me to bolt stuff to it. I guess if it has 
> the right hole pattern it should be easy to make pulleys. I could cut 
> the bore and rough the outside using a 2.5D method. I could add the 
> mounting holes that match the mounting plate on the A-Axis and then 
> finish the pulley or gear on the A-Axis.
>
> I could also mount odd sized pieces with the plate.
>
> I suppose this plate could be made of 1/2″ thick aluminum? I could 
> drill and tap the hole to match the threaded rod that I’m using as the 
> main shaft of my A-Axis assembly.
>
> *Does anybody have a 1/2-20 tap?*
>
> When using an A-Axis I was thinking that I could mount the work piece 
> in two ways. I could have a chuck at one end and a flat plate at the 
> other.
>
>
> Darcy
>
>
>
>
>
>
>
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