I got another bag of small parts refinished. These are the components for the Head 'nod' mechanism.
The worm gear was encased in dried out hard grease but cleaned up very nicely... The shaft that goes into the worm gear was pretty rusty and the bolt head part was stripped fairly round. I was able to use a bench grinder to fix the rounded corners on the head, then I media blasted it before putting it in the black oxide tank and oiling.
Here's all the components cleaned up and ready to go...
Interestingly, the worm has 'BOSTON U.S.A' engraved on it.
Question for the form, I have not yet put this assemablly together and I am wondering what type of grease should be used?
Is the orginal grease still recomended or is there another type that is considered better or does any industrial/automotive grease work?
I got another bag of parts for the mill cleaned up yesterday. This bag contained some X axis components.
everything was pretty grungy, but otherwise functional.
I was able to carefully clean up the dials nicely. Had to be very careful not to remove the 'satin chrome' finish.
I love the quality of this little bearing, with the metal bearing cage.... I was able to remove all the ball bearings clean and reassembal, now its ready for fresh grease.
I got a couple more small parts media blasted and painted.
Before:
After cleaning and media blasting...
After primer and paint...
Next up, now that all the parts were cleaned up. I figured I would try assemballing the Y axis and saddle and see if I would be happy with the way it works or if the machined surfaces would need attention.
I was very pleasantly surprised at how nicely the saddle (Y-axis) works. Once oiled and the Gibs was adjusted it seemed to work very nice. Very little backlash and felt smooth but reasonably tight along the whole travel.
So I think for my uses the machine will work quite well.
I still need to re-finish a couple small components on the saddle so I have to take a few things back apart, but its nice to see the machine starting to go back together, albeit slowly.
I got the head knob mechnism all put back together, I didn't get any pictures of the process because I had to hold the piece up in place and then line-up the 4 bolts with the other hand. Then I installed the worm gear.
I also polished and installed all the 'turret' bolts.
Sorry about the slow progress everyone, I have a 5mo. old son at home so my Shop time is is pretty limited. But little by little this machine will get finished.
You are doing a very nice job on this mill
I am patiently waiting [not really] for you to get to the head
I am stuck trying to figure out how the brass fork of the downfeed goes back together
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