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Old 04-25-2017, 09:53 PM   #31
blighty
 
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well that took longer than i thought it would, next thing is the shaft.

random pics.


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Old 07-17-2017, 08:40 AM   #32
blighty
 
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not been in the shed for a bit, but just had to weeks off and its not 32deg in the shed, plus I got a massive fan

few weeks back (before it got hot) i made the shaft for the 4th axis. used the Myford MG12 for the first time in anger. well happy with the results.

have made all the side to the box that holds all the stuff in. turned out a bit bigger than i thought it would, might not as compact job as i first intended. for the 5th axis will have to go for the traditional trunnion type. also had a bit of a problem fitting the stepper. if i had of made the box an inch longer it would of been fine, but had to machine out a lot of one of the sides so the stepper could fit in there. then had the trouble of mounting it.

as i said the box is all made, screwed, doweled in place then squared up. sorted the wiring in the control box and set up Mach. turned it all on, hit the button..................and nothing happened
wont bore you with the details, but 2 hours latter it works


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Old 07-18-2017, 09:27 AM   #33
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started on the plate last night, faced off the back and board the hole for the shaft to fit. plate is 160mm dia. 15mm thick.

to night i will put it on the mill, pick up the 8mm hole and drill the clearance holes so the plate can be mounted to the shaft. once on the shaft, put the assembly in a 4 jaw, clock it up and face of the face and turn down to 160mm dia. then figure out how to hold a chuck on it.

not to sure if i'm going to put T slots in the plate and threaded holes all over the place. might do that at a latter date.


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