Sheetcam Hot Crack _best_ Jun 2026

In CNC plasma and laser cutting, this most frequently happens at:

Why a "SheetCam Hot Crack" Isn't the Solution for Your CNC Workflow

What are your current and pierce delay times in SheetCam? sheetcam hot crack

Now, open your SheetCam job, adjust those settings, and cut with confidence. No cracks, just clean parts.

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Use SheetCam to create longer, curved lead-ins . This allows the pierce (the hottest part of the process) to happen further away from the finished edge.

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Starting a cut directly on the finished edge of your part forces the thermal shock of the initial pierce onto the final product. Without a proper lead-in, the start-point crater becomes embedded in the part geometry. 3. Material Composition

The order in which parts are cut changes how heat builds up across the metal sheet.

Decrease the "Pierce Delay" in the Tool options by 0.1-second increments.

Do not use a straight lead-in. In SheetCam, navigate to the Cut path tab.