[Shop-talk] cutting plate with ox/acyt torch

[Dave Cavanaugh]

Try changing to about 20 or so pounds on the 02 and about seven on the 
acetylene,  then make sure you have a neutral flame.  Sounds like you 
mostly need to adjust your pressures.

On 11/17/2016 6:43 PM, john niolon wrote:
> Oxweld torch... surprised me this evening I pulled the tip and it’s a 
> 1” tip...   so now I’m thinking I’ve got a problem with mix... haven’t 
> used ox/act in a long time... and never on 3/4... most of my stuff is 
> no more than 1/4 and smaller and I use a metabo grinder with a cutoff 
> wheel 90% of the time.   I’m gonna use your suggestions and try 
> cutting again tomorrow.   I’m using a 40/4 psi  ox/act ... might inch 
> that up a little.. hate to admit it’s probably a technique problem.
> *From:* Dave Cavanaugh <mailto:cavanadd at frontier.com>
> *Sent:* Thursday, November 17, 2016 8:00 PM
> *To:* john niolon <mailto:jniolon at att.net> ; shop-talk 
> <mailto:shop-talk at autox.team.net>
> *Subject:* Re: [Shop-talk] cutting plate with ox/acyt torch
> First, clean your tip really well and have good flame shape.  Then 
> make sure you have enough oxygen pressure and a good neutral flame 
> when the trigger is pulled.  Make sure you have enough preheat and a 
> slow enough rate of advance.  If that doesn't work then go up at least 
> one size, maybe two.  3/4" is pretty stout.  What brand of torch are 
> you using?
>
> On 11/17/2016 3:12 PM, john niolon wrote:
>> usually my torch cutting is on 1/4” or less plate and my torch 
>> handles it fine
>> got a piece of 3/4” steel plate I need to cut and my torch isn’t 
>> cutting clean or cutting completely through...
>> I think probably I need a larger tip..  think mine is a “0” or a 
>> “1”...  or course you need to factor in the operator...
>> do you think that’s my problem ???   what tip size would you recommend
>> thanks
>> john
>>
>>
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