Ensure your slat bed is in good condition. If a part is physically wedged or trapped tightly between warped slats, it cannot contract freely as it cools, mechanically forcing a hot crack to open. Troubleshooting Checklist for SheetCam Operators
Set a "drill bit" or "drilling" operation with a tool specific to your material. sheetcam hot crack
If you cannot afford a SheetCAM license, several safe and legitimate alternatives exist. Many are completely free or have generous free tiers suitable for hobbyists. Ensure your slat bed is in good condition
To help narrow down the exact cause of your cutting defects, could you provide a few more details? Please let me know: What are you currently cutting? Are you using a plasma cutter, laser, or oxy-fuel setup ? If you cannot afford a SheetCAM license, several
By keeping the torch in motion while the arc shuts down, the residual heat and trailing arc are distributed along an already-cut path rather than concentrating in one static spot.
Certain materials are highly susceptible to thermal cracking.
If you are cutting long, continuous profiles on sensitive materials, the heat builds up continuously along the path.