You mean tack welds. Spot welds are made by a dedicated spot welder.

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> On Jun 6, 2015, at 3:31 PM, clay via Mercedes <mercedes@okiebenz.com> wrote:
> 
> It is the crap 90 amp 115v cheapo unit.  I want to get comfortable with it 
> making beads, but intend to mostly spot weld the panels for the floor.  With 
> enough spots, I figure I can then do mini beads to link them.
> 
> 
> clay 
> 
> 2002 s430 - Victor, a Stately & well tailored chap
> 1974 450sl -  Frosch - Two tone green
> 1976 300D - Blei Vanst - it looks silvery
> 1972 220D - Gump - She was green, simple and ran
> 1995 E300D - Gave her life to save me against a Dame in a SUV
> POS 1987 SDL - Beware Nigerian Scammers
> 
> 
> 
> 
> 
> 
> 
> 
>> On Jun 6, 2015, at 11:06 AM, G Mann via Mercedes wrote:
>> 
>> I don't recall you saying. Is the welder you got 110 volt.. or 220 volt?
>> 
>> You will find 110 volt wire feeds struggle to hold a stable arc thus have
>> larger variation in the weld puddle temp and size.. With experience, the
>> welder can adjust his handling of the weld to compensate.. some.. but he
>> will always be "behind the curve" a little.
>> 
>> On thicker material, it won't be so apparent.. as you go to thin sheet
>> metal that "lead / lag" in arc stability and weld puddle temp becomes more
>> critical..
>> 
>> Yes, you can blame it on "the machine" in that instance. It will preform
>> more acceptably using the spot weld tecnique than trying to run a continous
>> bead because the shorter heat cycle will be more within it's capabilities.
>> 
>> Adapt and Overcome...
>> On Sat, Jun 6, 2015 at 9:53 AM, clay via Mercedes <mercedes@okiebenz.com>
>> wrote:
>> 
>>> If I can make welds that look and perform well enough with this garbage
>>> unit, I will move up to a real gas shielded product for future projects.
>>> If I can not keep from producing crap, I will give up on welding, having
>>> invested little in the attempt
>>> 
>>> clay
>>> 
>>> 
>>>> On Jun 5, 2015, at 3:28 PM, Dimitri via Mercedes wrote:
>>>> 
>>>> Unless you use shielding gas you will be unhappy with your results. I
>>> promise!
>>>> 
>>>> Sent from my iPhone
>>>> 
>>>>> On Jun 5, 2015, at 4:33 PM, clay via Mercedes <mercedes@okiebenz.com>
>>> wrote:
>>>>> 
>>>>> The wire is garbage, but it came free with the welder. May as well burn
>>> through it.
>>>>> 
>>>>> setting up feed speed is hit and miss for now.  It does not want to
>>> feed as slowly as the graph inside says I need it.  There are two amperage
>>> speeds.  Lots and not that much.  I could not get much speed or heat to get
>>> a good bead
>>>>> 
>>>>> clay
>>>>> 
>>>>> On Jun 5, 2015, at 1:12 PM, fmiser via Mercedes wrote:
>>>>> 
>>>>>>> clay wrote:
>>>>>>> 
>>>>>>> I could not get a decent bead using the PC carcasses and was
>>>>>>> getting a bunch of blow through.
>>>>>> 
>>>>>> Thin sheet metal and gasless wirefeed is pretty tough.  Set
>>>>>> the wire feed and amperage low.  And get some good wire.  The
>>>>>> HF wire is junk.
>>>>>> 
>>>>>> 
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>>>>> 
>>>>> 
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