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From: Bob La Londe <none@none.com99>
Newsgroups: rec.crafts.metalworking
Subject: Re: Dirty Hands Clean Money
Date: Sun, 7 Jul 2024 17:51:32 -0700
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On 7/7/2024 5:40 PM, Bob La Londe wrote:
> On 7/7/2024 5:18 PM, Jim Wilkins wrote:
>> "Bob La Londe"  wrote in message news:v6f3f0$gm1m$1@dont-email.me...
>>
>> On 7/7/2024 12:43 PM, Jim Wilkins wrote:
>>> Nice 6-jaw without visible runout, what kind?
>>
>> It is a Shars "Set-Tru" style.  I like it better than the Bison 4 jaw.
>> It does have some run-out depending on the size of the stock.  Its only
>> near zero at whatever stock size you dialed it in at.  I think I last
>> zeroed at with a 3/4 gage pin.  Gets me within "about 3-4 tenths
>> (0.0003-0.0004) when its running the size stock its zeroed to.  The
>> spindle nose only seems to be ground to about .0003 so that's not
>> horrible.
>>
>> It wasn't crazy expensive, but it wasn't cheap import cheap either.  I
>> think it was around $800-900 (+/-) with the D1-5 back plate.
>>
>> I'd probably change chucks more often if they weren't so heavy and
>> awkward.  I have an electric chair lift I have been thinking about
>> converting into a bench crane for that.  I don't think I have a 12V
>> power supply on the shelf big enough for it though.
>> Bob La Londe
>>
>> -----------------------------------------
>>
>> A 12VDC supply that can be set to 13.6V and won't fry if connected to 
>> a discharged battery could float charge an AGM that can deliver enough 
>> current to operate the hoist.
>>
>> The power bricks that came with my 12DC refrigerators were set too 
>> high for a battery and overheated when connected to a discharged one 
>> so I added these to limit the output voltage and current. :
>> https://www.amazon.com/DROK-Converter-5-3V-32V-Regulator-Transformer/dp/B078Q1624B/
>>
>> A 1/4 ton lever chain hoist isn't that expensive and has better fine 
>> height adjustment than an electric hoist. Mine gets quite a bit of 
>> use, there's a lot around the house within its capacity and it needs 
>> minimal overhead clearance. Right now it's on an A frame to stack cut 
>> beams and slabs.
>>
>> I made a wood block to hold my heaviest chuck slightly below spindle 
>> height to install or remove it. Rectangular strips of wood below and 
>> above can align it without the trouble of copying the ways and chuck.
> 
> I haven't seen this particular chair lift operate, but those I have seen 
> seem to have fine resolution and smooth motion.  They aren't like a 
> commercial/industrial electric winch.
> 
> I've got a wide array of lifting things including several cable pullers, 
> chain fall, etc.  I think the chair lift would bolt directly to the top 
> of the tool cart (the new one) I keep next to the lathe.  I might need 
> to put a load spreader of some kind inside.  The odds of the cart EVER 
> being empty again and the leverage of a chuck causing it to topple are 
> pretty slim.
> 
> The big plus is it would free up the space in my garage where the chair 
> lift has sat ever since it was given to me without taking up much other 
> useful space.  Hmmm... I might have to check over head clearance.  There 
> is a shelf above the lathe.
> 
> I'm terrible with batteries.  I have a hard time keeping good batteries 
> in my cars and boats.  In fact two of the batteries out of one of my 
> boats are setting on the floor from where I unloaded them weeks ago 
> after using them to run a winch out in the field.  I'd be quite happy to 
> have a cord between the chair lift and the wall.
> 
> Yeah, I know.  Someday I may need that chair lift for a chair, but I 
> hope that's going to be a while.
> 

I be fair, most of the time I need to move something that's less than 
150 lbs and its not to awkward I just muscle it. Yeah, I use a lift to 
pull out compressor out of the middle of a condensing unit or something 
like that, but my anvil (only 130 lbs), got placed on its "stump" by 
hand.  I tend to only use a lifting device if its really convenient, and 
setting it up to do the job will take less time than to just do it, or 
if its just beyond my ability.  I do hate putting the 90-100ish lb vises 
on and off the mill table, because I have to reach out with them.  Puts 
a lot of strain on my arms and a little on my back.  Actually those 
vises were my first thought for the chair lift when I got it.  Clamp 
(made to hook under the jaw) a hook eye in the vise jaws, lift, and swing.


-- 
Bob La Londe
CNC Molds N Stuff


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