Friday, 18 May 2018

Trial fitting X and Y axis brackets

Made a couple of spacers to set the position of the Y axis pulley and handwheel. The motor fits nicely..





The X axis housing bracket thing seems to be about right. I'll need to make up a couple of spacers for this too. The bore is 16mm clear (to fit over the end of the ballscrew) and the outer diameter around 25-38 mm.



Can't fit the belt in either housing yet, as I don't have the bearings that form the tensioner. Rather than moving the motor in slotted holes, a jockey pulley (2 bearings) is mounted in the slotted hole. 

The bearings are 608-2RS ie "608" bearing with double seals. Ordered them today (Friday). That's 8mm ID, 22mm OD and 7mm thickness (length). 2 of those buggers will give me a 14mm wide jockey pulley. The 8mm hole will house an M8 bolt that will ride in the slot.


Here's where we are right now. Seem to have a couple of axes almost ready to go. I want to get them moving before I get busy with the Z axis.


Saturday - the bearings arrived. Not bad. The standard carriage was described as 2-3 days, so next day receipt was an unexpected bonus. 



X axis bearings in place. Seems the bearing manufacturer has rights to the use of the "Dunlop" tradename.


X axis fully assembled. Looks good.


With the handle fitted but no cover plate for now.


Looks good.


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