Howdy,
On Fri, 11 Oct 2002, Don Malling wrote:
> I'm looking at Mig welders and trying to decide if I need one with
> infinitely adjustable heat controls or whether the ones with 4 settings
> are good enough. The Lincoln SP135Plus appears to have infinite heat
> controls while the Lincoln 135T has 4 settings. It's about $150.00 price
> difference.
>
> Is Lincoln a good choice. Any good places to buy them?
I have a Lincoln SP-175. I like it pretty well, but the MillerMatic 175
(I think it is) seems to be a bit more ruggedly built. I think either
would be fine.
I'd recommend against a 135 unit. I used a Millermatic 135 at a friends
house and there's a _noticeable_ difference even at my novic level. I was
welding 1/8" bedframe rails and that was about all the 135 wanted to hear
about. With my SP-175, that kinds stuff is super easy.
> Sand blasters and Air Compressors
> =================================
> I was looking at an Ingersole Rand 80 gallon with 11 cfm at 90 psi--
> single stage compressor. 11 cfm seems adequate for most tools, and I was
> told that I could get by with less -- maybe 9 cfm at 90 psi.
I'd recommend a two stage unit. IR makes a good one for around $1k IIRC.
5 hp 60 gallon or something like that. Maybe a T-20? Either way, I'd
think you'd want a _lot_ more air for a sandblaster than what you have
above...
> The big question is sand blasters -- it's the biggest reason to get the
> compressor. I am completely confused. I see a sand blaster gun and a
> siphon tube for $15.00, and then I see other sand baster equipment for
> $200.00. I have no idea what I need.
>
> I will be sand blasting parts and repainting them. I will also use it to
> sand blast rust for car body repairs. I understand sand blasting can
> heat and warp car bodies.
If the parts are small enough, I highly recommend getting a blasting
cabinet. Outside sandblasting is messy and you go through sand pretty
quick. If you do end up with an outside unit, get a pressure-fed one vs.
a siphon fed unit. I've used both, and the pressure fed ones are about 1
million times better.
> Is Ingersole Rand a reasonable choice? I heard that they are very
> noisy??
I've never heard anything bad about IR compressors.
> How much torque do I need -- Is 250 ft-lbs adequate or do I need more.
> Again this is for occasional home use. If I need to use liquid wrench on
> the bolt and let it sit, that would probably be OK. On the other hand if
> 250 ft-lbs is simply not enough, I would spent the money to get
> something more adequate.
A mechanic friend of mine says it best... "ratings don't matter for shit"
:-)
IMHO, get an IR 231 1/2" impact gun. This is the standard shop gun around
here and works great for around $100 or $120 or so.
Mark
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