[AT] More on torches

[Dennis Johnson]

Greg,

I also have a Thermal Dynamics plasma cutter. It replaced the Northern Tool unit that quit working before.
Cutting with it works great. Having a straight edge to clamp on the plate being cut works great.

Thanks,
Dennis


Sent from my iPad

> On Mar 10, 2016, at 8:51 PM, Cecil Bearden <crbearden at copper.net> wrote:
> 
> Greg:
> I have 2 plasma cutter, both Thermal Dynamics brand.  In my estimation, 
> the best made.  I have done both things with them you have noted.  It is 
> difficult to keep from cutting the shaft when trying to cut the bearing 
> race.  The problem with that oddball job is that when the torch is 
> running without anything to cut, it wears greatly on the tip.  Those 
> tips are from $8 to 12 each, and the electrode as expensive too.  It 
> runs into money quickly.   I do like it for cutting rusty steel stock.  
> I have a lot of old oil tank steel  that I use to cover truck and 
> trailer beds.   With a straightedge, I can cut the steel straight enough 
> to butt weld.  I cannot do that with a torch...
> Cecil in OKla
> 
> 
>> On 3/10/2016 7:57 PM, Greg Hass wrote:
>> Look up plasma cutters. They use electric and air from your air
>> compressor. Biggest problem is they are expensive. A cheap one is under
>> a thousand but one that will cut one half inch steel is over $2500. Also
>> they are best for cutting flat steel. They will not work for some uses
>> like when I have to cut a bearing off a shaft or cut angle iron off the
>> side of square tubing but they are great for some things.
>>        Greg Hass
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