Why Torch Height Control is the Unsung Hero of Plasma Precision

When we buy a CNC plasma table, we look for many features. More often than not, we check the materials it’s made up of and size. Then, we look for warranty, technical support, software, and affordability.

Torch height control (THC) might seem like a behind-the-scenes feature of a CNC machine. In reality, the distance between your torch and the metal makes all the difference. That’s why torch height control (THC) is so important. It is actually a vital part of producing consistent, clean cuts.

Without height control, your plasma torch maintains a fixed position regardless of material variation. But most metal sheets aren't perfectly flat. Even small warps or surface inconsistencies can lead to uneven cuts. They also lead to poor edge quality and extra cleanup. Torch height control solves this by automatically adjusting the torch’s position in real time, based on the surface it’s cutting.

By keeping the arc at an ideal distance from the material, THC ensures:

     Sharper edges

     Minimal slag or dross buildup

     Longer consumable life

     Reduced wear on the table and torch

It also plays a crucial role in edge angularity. Edge angularity, in simple terms, means the straightness of your cut edge. Without THC, cuts can come out angled or uneven, especially when working with thicker materials.

And let’s not forget safety and table durability. When the torch is too close, it can damage your workpiece or even gouge into the cutting bed. When it’s too far, you risk poor arc performance and wasted material. A machine equipped with THC avoids both extremes.

So while it might seem like an optional upgrade, investing in torch height control is really about maximizing your CNC plasma table’s performance. And it helps in protecting your investment for the long haul.

Explore our website for the best plasma table for sale. Feel free to connect with us if you can’t decide which one is right for you.

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