myford ml7 max size

[gavin comptonParticipant @gavincompton68796]

hi

what the max size flywheel that can be turned in a myford ml7 ?

thanks

Gavin

[gavin comptonParticipant @gavincompton68796]

[JasonBModerator @jasonb]

10" provided its not too wide

[gavin comptonParticipant @gavincompton68796]

THank you Jason

now to hunt for one

gavin

[Maurice Cox 1Participant @mauricecox1]

As Jason says, the maximum diameter that you can turn in the gap on a Myford 7 is 10", you can just squeeze it to 10 1/4" if you need to. The maximum face that you can turn is a different matter. I can't remember the distance from the faceplate to the end of the gap, but when I wanted to turn some 2" thick rings of steel for traction engine wheel rims, I couldn't fit them in. To overcome this, I prepared a disc of 1/8" steel plate, 10" in diameter, with a 3" hole in the centre. This was fastened to the 2" ring of steel, with cap head screws tapped into what would become waste as the rim was turned. This assembly was than fastened with screws to the BACK of a spare chuck back plate. It had to be assembled in situ, but it fitted! I was then able to machine the outside of the rim, and one side of the tee ring. The holes for the spokes were then drilled undersize, and tapped. The 1/8" plate was reduced in diameter to a good fit in the embryo tee ring and fixed to tit with screws in the tapped spoke holes . The other side of the tee ring was then machine. I was knee deep in swarf, but I had my first front wheel tee ring! Ditto for the second one. Perhaps this might someone who was making a built up flywheel.

Maurice

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