The title says it all - “How do I set the torch height in straight cuts?”
Of course this is referring to a machine with THC.
I’ve read through the documentation and I haven’t found that mentioned.
1 Like
Do you mean using the straight cut function in Firecontrol? I believe it just always uses .06" cut height and you just specify the length and direction of the cut.
so if you have THC and want to use straight cut feature in Firecontol…just program the distance and amps…and then you can toggle THC for that…it means setting the torch just above the edge of the metal and allowing …
Playing around with it I found that I could manually jog the Z to the desired torch height, zero out my Z axis and then run the part with the THC maintaining that distance.
Well I just found out that my “fix” isn’t. I got this reply from Lamgmuir Support:
In Straight Cut mode, IHS will automatically set pierce height to 0.15" and THC will automatically set cut height to 0.06". These defaults cannot be changed at this time, but we’re looking into the possibility of allowing height modifications in Straight Cut mode for a future update to FireControl.
1 Like
You can use a set cut height if you toggle off the IHS setting in Straight Cut. This will only generate the XY moves for the cut you are performing so the current Z height will be what you will cut. The no-IHS straight cut “program” does not have THC enable and disable commands so THC will not activate during this cut.
1 Like
I’m trying to get my machine cutting correctly when running a pattern. To check my cut height I did a straight cut, pause mid-cut and measured the cut height. It was 0.070”. Is there a way to correct this?
Are you controlling your THC by nominal voltage or the smart voltage?
If you’re using smart voltage
You could have just this in the post processor. By dialing down the height value.
If you’re using nominal voltage you’ll have to adjust the voltage setting that you’re inputting
I was using smart voltage. Am I correct that if you are using the straight cut program in Firecontrol you don’t have any control over cut height?
Sorry I must have misunderstood the question. Off the top of my head I’m not sure how the straight line function works in fire control as far as cut height goes I’d have to take a look at it on my computer which I am not near.
Notice the Langmuir tech’s message on this thread:
So what he is saying: you have control to set the cut height yourself and turn off the IHS which will also turn off the THC (and thus turn off “smart voltage”).
If you use IHS and you have THC, the straight cut should perform with your “smart voltage” settings.
Now if you are trying to measure your actual cut height, you are going to throw yourself off (possibly) if you are also using THC (whether you are using smart or nominal voltage) since the torch height is going to be fluctuating.
I gave you another reply (on you other topic) with a cut file that Phillip created. It should help you find out where your cut height is landing.
What I was trying to check for was if the cut height was really at 0.060” when the program calls for that.