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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. <br>
<br>
<div class="moz-cite-prefix">On 11/17/2016 6:43 PM, john niolon
wrote:<br>
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<div>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.</div>
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<div style="font-color: black"><b>From:</b> <a
moz-do-not-send="true" title="cavanadd@frontier.com"
href="mailto:cavanadd@frontier.com">Dave Cavanaugh</a>
</div>
<div><b>Sent:</b> Thursday, November 17, 2016 8:00 PM</div>
<div><b>To:</b> <a moz-do-not-send="true"
title="jniolon@att.net"
href="mailto:jniolon@att.net">john niolon</a> ; <a
moz-do-not-send="true"
title="shop-talk@autox.team.net"
href="mailto:shop-talk@autox.team.net">shop-talk</a>
</div>
<div><b>Subject:</b> Re: [Shop-talk] cutting plate with
ox/acyt torch</div>
</div>
</div>
<div> </div>
</div>
<div style="FONT-SIZE: small; TEXT-DECORATION: none;
FONT-FAMILY: "Calibri"; FONT-WEIGHT: normal;
COLOR: #000000; FONT-STYLE: normal; DISPLAY: inline">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? <br>
<br>
<div class="moz-cite-prefix">On 11/17/2016 3:12 PM, john
niolon wrote:<br>
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<div>usually my torch cutting is on 1/4” or less plate
and my torch handles it fine</div>
<div> </div>
<div>got a piece of 3/4” steel plate I need to cut and
my torch isn’t cutting clean or cutting completely
through...</div>
<div> </div>
<div>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...</div>
<div> </div>
<div>do you think that’s my problem ??? what tip
size would you recommend</div>
<div> </div>
<div>thanks</div>
<div>john</div>
</div>
</div>
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