How do other machines balance the wheel, Pete
Usually the wheel mounts onto a separate hub, that has weights that can be slid round a circular Tee slot and locked
I know what you mean now
That's right, usually the wheel clamps in a hub which sits on a taper or keyed shaft. The Eagle has a 2-piece hub that's a more posh version of the plates on a bench grinder just clamped by the nut on the front.
Is that because it would usually be set up with one wheel?
Where as a tool cutter grinder would require different shaped wheels, different wheels on hubs would saving having to rebalance every time?
No, surface grinders have a selection of wheels too, it's just that the Eagle is at the more basic end of the scale.
Unfortunately I'm not familiar with the Eagle and you haven't shown a photo
of the spindle and wheel and flange(s) separated off the machine.
Many articles and letters in magazines such as ME and MEW lament the poor
location of grinding wheels on bench grinders particularly when pressed metal
flanges are employed. In MEW there are articles about improving this and also
balancing said wheels.
I have 2 bench grinders and have made dedicated hubs for mounting the wheels
with provision for balancing. These wheels are normally fitted with plastic
bushes, so with these removed there is room for my dedicated hubs. I suspect
my machining capability is somewhat less than yours, but after balancing I can
stand a £1 coin on edge on the machine with it running. I need to sort out a
decent dressing mechanism.
8" grinding wheel with dedicated hub and balancing "ears". The ears are cut
from 1mm sheet steel and rotated to provide balance.
The simple balancing jig. The "knife edges" aren't quite - I cheated and cut
a cheap thin steel rule in half! Three screws for levelling & I use the level
from my M&W combination square set to set it up.
A wheel in position and reasonably balanced - well it hasn't rolled against the stops.
Perhaps you could do something similar although you might need to find a wheel
with a larger bore.
I've done similar with my bench grinder - not made balancing hubs like yours but I have made thicker plates with hubs to locate the wheels properly, and they do run a lot smoother than using those horrible pressed plates. I use surface grinder wheels on my bench grinders.
Thanks for showing your balancing jig. It's kinda similar design to the Jones and Shimpan
Well, I'm calling this done. I do have to fit a tall end guard and one day I'll get around to hooking up coolant but for the time being I'm very satisfied with how it's come out. I wheeled it outside for some daylight pics.
Funny that Rob Cox and I both finished our rebuilds of the same machine on the same day!
That's a work of art Pete
Thanks mate. Bit of a difference eh?
It sure is. It’s just too nice to get dirty in use
That is a thing of beauty.
That is the absolute Dogs! Spectacular work Pete!
Great result Pete, you wouldn't think it's the same machine in the before and after pics.
First class work Pete and a big thank you for posting the info.
Looks good, amuses me that 3 of in similar time frame ended up with these
Nice rebuild Pete, that sure did look sorry for itself before hand. And better than brand new now
Nice job Pete, a credit to your patience and detail. Good that you've done a 'proper' refurb on it and not just sloshed 1/2 gallon of paint over it and sticking it on ebay like so many chancers do.
And so often they leave the equipment on the same pallet that they sprayed it on as a total give away !
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