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new duramax torch questions

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i_r_machinist
Posts: 112
Joined: Mon Oct 18, 2010 3:22 pm

new duramax torch questions

Postby i_r_machinist » Tue Sep 05, 2017 8:22 am

I finally got around to wiring up the new hypertherm 85 machine and Duramax cutter this weekend. I made my own magnetic holder years ago and just modified it to hold the Duramax on my Plasmacam table. I have a refrigerated air dryer for moisture removal. Whith the 220854 retaining cap screwed on, there is a gap between it and the body of the torch, as seen in the picture. Do I have something wrong?
hypertherm.jpg

Also, with the finecut tip, I can cut 12 ga. steel at 120 ipm. While that is 70% faster than what I was cutting, it is nowhere near what the manual states as cutting speed. Any ideas on that?
thanks
i_r_

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i_r_machinist
Posts: 112
Joined: Mon Oct 18, 2010 3:22 pm

Re: new duramax torch questions

Postby i_r_machinist » Tue Sep 05, 2017 8:27 am

hypertherm2.jpg

I'll try for a better picture.
i_r_

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jimcolt
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Re: new duramax torch questions

Postby jimcolt » Tue Sep 05, 2017 8:36 am

The gap is normal. What is the brass thing to the right side of the picture?

I guarantee that you can achieve the cut speeds in the manual. If you cannot, then something is wrong....these will affect speed: height, condition of consumables, inlet air pressure, cut air pressure, choice of consumables, amperage, and of course material type and thickness.

Jim Colt Hypertherm

i_r_machinist
Posts: 112
Joined: Mon Oct 18, 2010 3:22 pm

Re: new duramax torch questions

Postby i_r_machinist » Tue Sep 05, 2017 10:20 am

The brass thing is my THC sensor ring.
i_r_

jimcolt
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Location: New Hampshire

Re: new duramax torch questions

Postby jimcolt » Wed Sep 06, 2017 3:21 pm

Is it ohmic sensing? If so, why don't you use the ohmic retaining cap and appropriate shields?

Jim Colt

i_r_machinist
Posts: 112
Joined: Mon Oct 18, 2010 3:22 pm

Re: new duramax torch questions

Postby i_r_machinist » Fri Sep 08, 2017 6:35 pm

Jim,
I'm in Dublin Texas, 90 miles west south west of the DFW metroplex. If I can't make it, it is just like the pomade in "Brother, where art thou." We are two weeks from everywhere. I thought that I could buy the right consumables from the local AirGas stores when I ordered this torch, but...., NO.
Anyway, Jim,
I want to tell you that I really enjoy the youtube videos that you, and you and that young welder are doing. I don't remember his name but he is like you, a true ambassador of the trade. Me and my son watch those all the time. That young man is going places.
thanks
i_r_


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