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Hardinge HLV workover

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f350ca

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#1
Picked up an older HLV on auction that apparently has been sitting for Years in storage at a government research center. Valleyboy101 met me last week and we looked it over before bidding, decided it looked pretty good.
Unloading it at home
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It has a few issues, it sat so long the belts had deformed around the pulleys, causing them to thump and shake the machine. The grease in the threading gears had turned to hard varnish, had to tear the end of the headstock pretty much totally apart to get them out and clean. Suspect the carriage got bumped in the warehouse and damaged the pinion which mates to the rack for carriage travel, but the rack is fine?.
When I had it far enough apart to address these things figured we may as well continue and dismantle the rest and paint.
There's a lot of parts in a lathe.

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itsme_Bernie

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#2
Wow I can't wait to watch this restore! What a dream machine when you have it done!

I look forward to your posts


Bernie
 

valleyboy101

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#3
A lot of parts is right! The plasma table looked like too good a spot to leave empty, and I see it didn't - a great place to lay out the parts and keep them clean and organized.
Looks good and it will only get better from now on,
Michael
 
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f350ca

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#4
Hope I can remember where all the parts go and in what order. A flat surface that size in my shop never stays empty Im afraid.
Not really a restore just a cleanup and repair. The bed and cross slide look real good so no grinding and scraping that would be well beyond my capabilities.

Greg
 

Senna

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#5
Very VERY cool!

I too look forward to seeing this thing be reborn before my eyes.

I will throw out the obligatory YOU SUCK though!:))

- - - Updated - - -

Hope I can remember where all the parts go and in what order. A flat surface that size in my shop never stays empty Im afraid.
Not really a restore just a cleanup and repair. The bed and cross slide look real good so no grinding and scraping that would be well beyond my capabilities.

Greg
The old adage holds true that any surface even close to horizontal in a shop will quickly become filled beyond capacity. At least it does in my workspaces.
 
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f350ca

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#6
Have all the painted parts cleaned up and primed, ready to skirt some paint on the this aft.

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f350ca

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#7
Nice and shiny now. Looks like the auto supply matched the colour pretty close.

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stevecmo

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#8
Wow, you don't mess around! That's gonna look Purdy:man::man:
 
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f350ca

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#9
Spent the whole afternoon figuring out the combination the threading transmission had to go together to get all the pieces to clear each other as they slid in.

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f350ca

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#10
Starting to look more like a lathe. Ordered new belts, they arrived today so the spindle went back in. Will hopefully get power to it tomorrow and spin it up.

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valleyboy101

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#11
I love that shine - it looks like new old stock!
Michael
 

ARM

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#12
Wow Oh Wow !!!
Can only admire U Guys ingenuity
Still trying to pluck up enough courage to start refurb work my Chipmaster Lathe
Needs just as much work, if not more
Except U Guys have the know-how
Keep the pics roling
aRM
 
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f350ca

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#13
The new belts helped a lot but needed to align the motor and variable speed drive to really smooth it out. You'd wonder how they would ever have gotten shifted. The new belts aren't Good Year like the originals, these are made in Mexico and don't run perfectly true.
Anyway, she turned its first part. An arbour to hold the gear cutter to make the gear to repair itself. Sure leaves a nice finish and no runout on the collet.

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valleyboy101

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#14
That is a nice looking tool post - not really good enough for the lathe - it would be more suitable on my Cromwell - just joking.
Michael
 

drs23

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#15
Yep, it's official now: :yousuck: and I'm:greenwithenvy: . :biggrin:
 
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f350ca

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#16
The gear that meshes with the rack to move the carriage was damaged.
Made a new one.

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Machined the old one off.

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Shrunk the new one on with 1 1/2 thou interference.

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f350ca

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#17
Finished assembling it today.

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Its unnervingly quiet after running gear head lathes. Was concerned that my cut gear might not be perfectly formed, causing a pattern in the turned surface but all seams to be good.

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Im getting about 1/2 thou taper in 8 inches guess the tailstock needs tweaking. Overall think its going to be a good machine.
Thanks for watching
Greg

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drs23

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#18
Looks like a great job on fine piece of machinery. I'm sure you'll reap years of excellent service fro that lathe.

Great job!
 

valleyboy101

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#19
Half a thou over 8" and a beautiful finish is mighty fine for a first test - It will be a great machine.
Michael
 

samthedog

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#20
That's a great restore. The Hardinge is one of my all time dream lathes. I think it's hard to beat the curves of a HLV, a Rivett 1020s or a humble Colchester Chipmaster.

Paul.
 
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