Kmg ?

I see where you are going with the motor stand idea and it's not a bad one if you can get all the flex out of it. Maybe I'm just used to cheap motor stands, but the all seem to have a bit of give as weight is added or as you torque head bolts down. That kind of movement might wreek havoc while trying to get a nice grind.
As for the work rest, you're on your own there. I originally intended to build my own version of the MAP Arm, and built my grinder to have a second tool arm slot above/below the other. However, the more I analyized the design The more of a pain it seemed as you can't adjust one thing on it without upsetting the others. I'm useing the second pocket, but opted to attempt a design that pretty much divorces the height and distance adjustments from each other. I have the platen and wheel mounting in what I beleive y'all know as a Bader style. Anyways the platen is mounted by a pin that clamps into the tool bar, so I really don't need my workrest to tilt because my platen does. I did have to re-think my rest for the horiz position but it still remains simple.
Most of this re-design is only on paper and has been carefully mocked-up and measured, peices have been rough cut. Now I just have to find the time to machine it.
 
Daniel Fairly Knives said:
I don't see much room for improvement in Jeremy's Knives either, they are as good as they get.

I'm not sure if those hinges would be big enough, no expert here but KMGs are really heavy.
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Thanks man. But I learn something new everyday. JB come on down. But I may not be the best to learn from. I was just joking bout grinder. If you can figure out a better way yo do something. Im all for it. I got to get one of those map arms though
 
Sorry, i should have been a bit more specific. The engine stand i have has a hand crank wheel to turn it over. It is a TON more sturdy than a standard stand. It also takes all the beefcake work out of tilting an engine :P I am looking into doing a map arm also and did some design work to flip my KMG
on it's side. If i can before work, i will post a pic....Could also build something stand like that tilts like the TW90....more thoughts lol
 
Maybe a stand kinda like this, i am sure someone will have a better idea/upgrade to this, but you have piqued my interest, so i am going to start building something like this this weekend. To keep in the nature of Rob's beast, i will use 1/2" plate steel to make the base(Where the KMG bolts to) and probably 1/4 or 3/8" plate for the tilt panels. Just a thought but it might not be a bad idea to counter weight the right side, as the grinder will tilt to the left, putting all the weight to one side.....Just another thought, but i will try to post pics when i build it....Have to have the tilt guides plasma cut, luckily i have a buddy that happens to have one :) I will make a new post when i get into this...

oops, posted this without adding the picture lol
So...here is my idea...
P1020529-1.jpg
 
Mike Davis said:
Maybe a stand kinda like this

Just a thought but it might not be a bad idea to counter weight the right side, as the grinder will tilt to the left, putting all the weight to one side.....Just another thought, but i will try to post pics when i build it....Have to have the tilt guides plasma cut, luckily i have a buddy that happens to have one :) I will make a new post when i get into this...
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or just mount the grinder centred over the pivot instead of off to the left like the drawing shows.
 
It's definitely doable by the right person. I have a very good friend welder who works here in Vegas building and welding equipment. I had asked him to make my KMG go horizontal. He made me a dedicated table in 9/32 thick steel. The guy's a genius and extremely good in what he does.
One thing's for sure. It would be the last piece of equipment they'll ever steal from this place. It's that sturdy!
I'm still waiting for the horizontal work rest he's making me but I'm already making use of it the way it is.
Here's a short video of my setup. I'm good at the grinder, not building that table so please don't ask me anything technical. :) I'm just happy it works.
 
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that might work pretty well. I'm hoping you plan to have 2 vert post, one front and rear. It will help with rigidity. Pay attention to where your pivot point is so your work height remains nearly the same.
 
Here's a few more pics.

Tracking is perfect and flipping the grinder is a breeze. It took me a short while to get used to balancing the weight when flipping. I did move the toolarm knob to the wheel/belt side after the initial setup and also added a G10 cover sheet on top of the motor to protect it from any steel dust or debris.

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.Max
 
little mac said:
that might work pretty well. I'm hoping you plan to have 2 vert post, one front and rear. It will help with rigidity. Pay attention to where your pivot point is so your work height remains nearly the same.
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This is important.
I've built a couple of horizontals lately, and am in the midst of designing a pivoting system for my vertical, and the height of the 2 configurations is my hangup at the moment.
I find a comfortable height is more critical on the horizontal, as you have less of a window to play with.
You have a little more leeway with the height in the vertical position.
 
Keep in mind I haven't put any of this into practice, but the method seems sound.
I determined the pivot point by measureing my comfortable working height from the baseplate. The pivot point needs to be that distance left of the left edge of the belt. The further right of this point the lower the machine will be in the horizontal position. I would think that a little too low (within reason) in the horizontal position would be easier to get comfortable with than too high.
 
That's pretty much how I have mine drawn up right now little mac, with the exception that I measured my sweet spot from the center of the belt, and the centerline of the verticals tooling arm.
4" over, and 4" down gives me the same height on the center of my belt when it's horizontal as the axle of my wheel when it's vertical.

I actually prefer a little too high on the horizontal, it keeps me from stooping.
I just raised one of mine up a couple of inches because of that.
It was killing my back, and since I am usually using a rest on the horizontal, it seems easier on the body to have my arms up a bit.
The centerline of my horizontal belt is now 1" higher than the centerline of my verticals tooling arm.
This is my dilemma with the new design, I'm not certain I should mimic it.
I need another 40 or 50 hours on the horizontal to decide.

Now that I think about, using your method of the left edge of the belt would give me that 1"
 
Max-s said:
Here's a few more pics.

Tracking is perfect and flipping the grinder is a breeze. It took me a short while to get used to balancing the weight when flipping. I did move the toolarm knob to the wheel/belt side after the initial setup and also added a G10 cover sheet on top of the motor to protect it from any steel dust or debris.
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Do you know if he is willing to make any more ?

Nice work ! Great to know there are some great fabricators here in the valley !:thumbup:
 
WoW!!! Max, that is an awesome setup:thumbup: Your buddy did some beautiful work. I've always thought that I would eventually get a beaumont horizontal grinder to go with my KMG, but that stand would do away with the need for a second grinder. Really great table!
 
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