| Gallery, Projects and General > How do I?? |
| Rotary table help or advice please |
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| murphy555:
hi all i really need some help or advise regarding rotary tables i am not a very good engineer but i try hard i suppose i am a keen amateur my problem is i wanted to make a couple of 90 degree plates to angle a table for a sander and also make an adjustable angle plate for use on the mill whilst i managed to make said plates using a couple of cheap rotary tables i also managed to bugger up the gears in the rotary tables question is should i have disconnected the gears and moved the tables manually i think i probably should have but my understanding was i would be able to just mount the plates set them up and mill the angles required the material was used was only 3mm mild steel plate for one and the other was 4mm aluminium the slots were only 5mm and 6mm hardly heavy graft the mill is a raglan the tables were bolted down and sacrificial plates were used under the plates i'm more annoyed at the rotary tables being buggered up and before anyone suggests i just make new gears like i said i am a crap engineer who can't even screw cut properly sorry to be so long winded about this but any help or advice would be appreciated i look at all the things and projects everone else submits with a high degree of envy thanks in advance |
| vtsteam:
Murphy, I'm not sure why you needed rotary tables to make angle plates. But perhaps there was a partial rounded section or rounded slots? If working a straight line at an angle, was there a lock on the table? I make 90 degree angle plates themselves on the lathe faceplate, using the method of bolting them together (like a Z) with shims between the faceplate and first angle to get it square, and facing the outer one of the pair. Then reversing without shims and facing the other. Then re- bolting the good sides together and facing the other pair of sides. You can buy gears if you don't feel comfortable making them. Maybe also introduce yourself in the welcome section? :wave: |
| chipenter:
Did you release the lock on the RT , and is there adjustment to push the worm into the wheel ? |
| murphy555:
please find attached pics |
| vtsteam:
Murphy, if you want people to help you, you're going to have to answer their questions and provide information. You have the tables and work, and know how you performed your work. We don't. Also your photos are way too large (please post photos 800 pixels wide or less) and there's no information to go with them. What are we looking at? The gear is blurry. I see a rotary table and two milled parts. All I can say at this point is what you already know. You somehow exceeded the capacity of what you call cheap rotary tables. How you did that, what your procedures were, what cutters you used, what their condition was, how much material you tried to cut at a time, whether the parts were doubled up to cut, what the clamping procedure was, cutting depth, speeds and feeds, or whether the tables (brand, size, condition?) were faulty and so caused the damage, we can't tell from the information provided. Sorry this happened to you. But your guess is not only as good as, but better than ours at this point. |
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