Torch not staying on

CrossFire ® PRO
21

can you post a pic of the toolset parameters from sheetcam?

sounds like the plunge rate is still not set correctly. you said it lowers after the flame goes out but it should lower as soon as the flame starts. a low plunge rate setting can do that.

also as Kwikfab has mentioned, add water to the pan or else you’re going to burn a hole in it. Also, attach the work clamp to a slat that the material is siting on if you can’t clamp it to the actual material. Lastly, use the boom pole to support the torch whip so it doesn’t put extra strain on the z axis assembly. that could also cause issues with it operating correctly.

4 Likes
22

I feel like a broken record. Turn off THC and try again. If it cuts then you have a voltage problem with your THC system

If it still doesn’t cut then you may have a low air pressure supply problem.

Or the plasma cutter is set on 4T instead of 2T

6 Likes
23

Is the cap tight on the torch, in the picture looks like the cap is not tightened?

3 Likes
24

Program speed of 3 ipm is going to cause issues

IMG_1671 3 ipm
IMG_1671 3 ipm1920×1440 277 KB

moving too slow, burned away all the metal and lost signal ?

6 Likes
25

Eagle eye strikes again. Good catch

1 Like
26

So was this solved with @TinWhisperer observation?

2 Likes
27

That guy has the eyesight and concentration of a bot…wait a minute??? :eyes:

1 Like
28

Thank you. I went out sick a couple of days. My students gave me cooties.

Anyway… I am back at it and get this message:

IMG_1675
IMG_16751920×2560 255 KB

29

These are my settings:

IMG_1674
IMG_16741920×2560 608 KB

30

This worked!
However, I cannot replicate the success with my files. The torch is still shutting off after about 1-2 seconds into the cut.

2 Likes
31

Your feed rate is zero in that tool. That’s why you are getting the “no feed rate found” error.

Did you see the earlier comment about the 3 ipm feed rate on your other program? That slow speed will cause the torch to burn out.

2 Likes
32

Holy I’m a dumbass Batman!
With egg on my face, the cap was not screwed on all the way. I can’ believe you saw that from my poor picture and I didn’t with the actual machine in front of my face.

1 Like
33

What should it be?

1 Like
34

The feed rate should be whatever is recommended for the thickness of metal and the amperage you have set on the plasma. It is what tells the machine how fast to move when cutting.

For 14ga steel with a 45 amp plasma, you should be at around 180-200 IPM.

1 Like
35

RW at 45 amps on 14 ga would be closer to 120IPM. Unless I am way slow on mine. Maybe I need to do some testing again

4 Likes
36

I used to run 120 at 35 amps with my Everlast and the PTM 60. I run 180 at 45 amps with the Hypertherm torch.

I guess 140 at 45 amps with the Razorweld is probably more realistic…

3 Likes