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RA Axis: More progress
More progress this weekend on the RA Axis:
Pic 1: Removed the hobber section from the worm/hobber by
turning it down to a smooth 10mm shoulder both ends of
what will end up being the worm.
Also turned a shoulder for the thrust bearing hardened washer
to rest against and also turned a 6mm end thread for the
nylock nut.
Also turned a groove for the non-thrust end bush circlip.
Pic 2: Next I made the bearing/bush blocks, again the same method
as for the DEC axis. Faced a rectangular block pre-bored to
worm shaft clearance.
Then bored them to suit the bush and thrust races.
Pic 3: All the parts for the worm shown:
Pic 4: How the thrust bearings sit on the worm
Pic 5: Worm carriage assembled
Pic 6: Worm shown in mesh with the RA wheel.
regards,
Steve
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