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Above 1200 Sq/FT 86's 20HP shop

Wokspaces above 1200 squarefeet.
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86turbodsl

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Jul 1, 2005
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Happy 4th everyone. I got out of work an hour late, apparently even on holidays the managers work late... ugh.

I stopped at o'reillys on the way home and bought oil for the new car. After i picked myself up off the floor... 10 quarts synthetic! i drove home in very sh*tty traffic, lots of games going on in the left lane, slowpokes at 45-65mph, then when we got to the home town, where it went 3 lanes wide, it went straight up street racing to get past the logjam. In the construction zone after, lots of 90mph action. Just nuts.
Then back to side streets for the turn onto my road, behind a pickup that rounded the corner at 12mph. No joke. There seems to be only 2 types on the road today, stationary and full tilt boogie. I'm ready for a few days at home frankly.
 

bulletpruf

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Nov 28, 2013
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San Antonio
Been cleaning the shop lately. Dragged the tig off the wall. Cleaned all the connections and magically it's working again. That should speed up the boiler build. And the lift is free again.

A good shop cleanup does wonders for my morale. Lots of substantive work for me to do this weekend on the 977 and F350, but I think it's just going to be a cleanup and organization day.
 
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86turbodsl

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A good shop cleanup does wonders for my morale. Lots of substantive work for me to do this weekend on the 977 and F350, but I think it's just going to be a cleanup and organization day.
I need a lot more of those days. I took a week off a couple weeks ago. The plan was 100pct shop time. I got sick the afternoon of my last work day. thanks Mrs. 86. I felt like **** until about wed-thurs of my vacation. As you might expect, not much of anything got done but binging some tv shows. Reference my avatar. <---
 
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86turbodsl

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It's about 95F outside, like swimming in soup. I've been working in the basement today. Just installed a 30amp circuit for the server rack. The power went out AGAIN yesterday. Out for hours. We got a text message from the power company - your power is now back on. Uh... no it's not. They had to send a crew out again to clear trees. It wasn't even stormy. Clear dry quiet sunny day, 80F. Pow. Gone. That's like 3 times in the last couple months. So the new circuit is running a 3000W UPS i picked up on marketplace. To try to tamp down the pain of fixing everything when the power snaps off for no reason.
 
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86turbodsl

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Nope. So ran across this by accident. Wasn't really looking for one, but the rarity made me pull the trigger.

Mid 80s Hurco KM3P CNC mill, fully automatic. With Tool changer. Erickson 30 spindle. Ultimax controls, although there is an issue with controls that will probably force me into a retrofit.

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It required both of my gals sitting on the counterweight, and a floor jack under the mill to get it off the trailer.

It's a burly boy.

The youngster was just here, but left in a huff. He had a bad TPS on his F150. I swapped out the old one for a new Standard. When we pulled the TB off, we found a geyser of coolant coming from the freeze plug behind the gasket. I went with him to town, got a new gasket, we bypassed the coolant lines until we could get a 17mm freeze plug, and he's in a huff because the truck idles high now. 1000rpm instead of 850. I told him the coolant lines were probably leaking air or the TB flanges might have a blip of gasket left on it. Carnage ensues. So glad that one moved out. Off you go youngster...
 

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bimmer1980

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York, PA
Interesting piece of iron added to the shop. Any sense of the extent of the control issue? Will you attempt to fix that before trying to switch control systems?

Has anyone on the interwebs swapped control systems on this brand of mill?

Curious what price range you had to give for it....

Looked to be a nice trailer it was on.
 
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86turbodsl

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I've investigated the controls quite a bit, both before and after purchase. The machine is an 84, the controls are ancient. The problem lies in 2 areas. There's a bad servo drive for the spindle, and the main cpu board won't boot. There's a lot of information on the web about these machines using dallas semiconductors for data storage, those chips used onboard lithium batteries that go bad and the symptoms is the machine won't retain programs or machine data. Since it won't boot at all, i think it's simply dead. The servo drive is an unusual beast. The spindle motor is straight 3 phase, the spindle drive moves a small 3 phase motor that controls the variator, ala bridgeport j type variable head. So i can still run the spindle, just have no control over the speed. i will be adding a vfd, just not sure if i will drive the stock system or shitcan it all and drive the spindle directly.
The remaining servo drives look ok and can probably be driven with retrofit controls. i have a couple of mesa cards on the way. i'll be using linuxcnc for operation. There's quite a few projects on the web documenting retrofits on this machine. The basic machine is just a super beefy bridgeport style mill with ball screws and servo drives. Hurco is known for really good conversational controls, and this machine is an Ultimax, but an early one, and parts availability on 40 year old cnc stuff... well...
There are even youtube vids on conversions and they all basically say the same thing. It's not hard really.
The real draw for me was the automatic tool changer. It's also quite rare on this machine. I'd like to get to lights out short run / prototype manufacturing to bring in spare cash and add personal capability to complete my projects. Just one more tool in the arsenal.

As far as what i paid, well, hows 1K sound? Came with all documentation and some tooling.

The trailer was a rental. McAlister in Lansing. Not super cheap, but i couldn't do this sort of thing without that sweet drop deck trailer.

Thanks for stopping in.
 
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86turbodsl

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Here's where we are today. Moved band saw back in front of the bridgeport. Still have room for the forklift to get in and load the bridgeport if needed. Love that little thing.
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I have decided to sell the old rockwell drill press. The bridgeport makes a much better drill press anyway and i don't need 3 tools that will drill big holes, not counting the portable drills like the mag drill and the handheld stuff and it just takes up room i don't have.
 

bulletpruf

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I have decided to sell the old rockwell drill press. The bridgeport makes a much better drill press anyway and i don't need 3 tools that will drill big holes, not counting the portable drills like the mag drill and the handheld stuff and it just takes up room i don't have.

Very timely comment. I outgrew the house garage so I moved the majority of my tools to a 20' x 50' shop. Instead of buying a drill press for the shop, I'm inclined to spend $1,500 or so on a used mill. I have a drill press at home if needed and a mag drill at the shop, too.
 
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86turbodsl

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Are mills very available down there? Around here, they're outside every corner garage and you trip over them at the dump. I gave $400 for mine. Granted, i had to move fast to do that.

I asked my buddy about swapping the bridgeport spindle to QC30 so i can commonize tooling, he can't understand why i would even use the bridgeport with the cnc sitting there. He's lazier? Dunno. Sometimes throwing something in the vice and pulling the lever is just a lot easier than firing up a computer and programming to drill a hole.
 

bulletpruf

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Are mills very available down there? Around here, they're outside every corner garage and you trip over them at the dump. I gave $400 for mine. Granted, i had to move fast to do that.

I asked my buddy about swapping the bridgeport spindle to QC30 so i can commonize tooling, he can't understand why i would even use the bridgeport with the cnc sitting there. He's lazier? Dunno. Sometimes throwing something in the vice and pulling the lever is just a lot easier than firing up a computer and programming to drill a hole.

Yeah, they're pretty easy to find on FB MP if you widen the search -- I'm fortunate to live within fairly easy driving distance of 5 cities in the top 15 most populated in the U.S.
 
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86turbodsl

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So today's the day. I have a real serious 3ph CNC machine to support and I'm tired of pull starting the converter motor.

Today the shop becomes the 20hp shop.
The converter motor has been in the racking for a while.
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I need to get the pony motor attached.
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It's a 2hp compressor motor attached to a clutch. The plan is attach to the pulley on the other motor.

So used the forklift to wrestle it into rough place.
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Using blocking, various steel scraps, straps and wrestling I finally got it into place.

IMG_20240824_112556_514.jpg
Grabbing some lunch then I will fab up a couple hinges. Then worry about the proper belt.
 

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scooterbum46

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Jan 29, 2014
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South Central Michigan / ex Gulf Coast Florida
Just got back from town. I kept getting flashed welding, realized the battery on the helmet was toast. Hard battery to find. My mesa cards showed up too, so once we get the mill powered, we can start playing with motion controls.
You oughta caution whoever is flashing you that those UV rays on bare skin can cause a painful burn !
 
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86turbodsl

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Jul 1, 2005
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Michigan
I overdid it again, spent a lot of Sunday lying around due to back twinges. I need to remember to take a break and stretch even when i don't feel it acting up. Think i caught it in time this time. Key takeaway is i have way more ambition than my body can take. Another of life's cruelties.
 

scooterbum46

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Jan 29, 2014
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South Central Michigan / ex Gulf Coast Florida
Off for 5 days, the wife convinced me to go get this thing yesterday.

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She's going to use it to keep the stalls clean in her stable. It's a hydramac 5c skid steer.

Today is catch-up day. We got home at 1:15am. Tomorrow going to a tractor show with my uncle.
You buy her the nicest things!
 
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86turbodsl

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Michigan
Working on finishing up the new rpc. Got it reassembled and working on testing.
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The two shafts aren't perfect aligned and it's quite loud. The rubber in the coupler is squeaking. But if it works as expected I'll just refine it.

I need a 24vdc supply for the clutch. That's where we are this morning.
 

bimmer1980

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Feb 5, 2009
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Location
York, PA
Interesting little skid steer. Does it have a newer engine on it? Horsepower?

Does it need anything or good to use as is?

Is it possible to swap the bucket for a set of pallet forks? 4 pins vs quick-tach? Edit--I see it has some type of quick-tach.

Regardless, looks handy. Probably easier to get in and out of, even if it has a load on the bucket. Regular skid steers make it difficult to climb out when you have a load raised up... I've done it, but it makes me nervous... it's better if the loader arms are high enough to engage the lock.
The JCB robot style skid steer is interesting from that perspective... just about bought one before I ended up with the bobcat 642 and then a new Holland LS150 after that.
 
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