Monolithic Cutting with CNC Hot Wire

What Is Monolithic Cutting?

In standard hot wire cuts the wire enters the block from outside and leaves a visible entry mark. In monolithic cutting the block is pre-drilled - the wire is threaded through the hole and cuts a closed inner contour without an entry mark. The result: clean cutouts without visible seams.

Typical Applications for Monolithic Cutting

• 3D logos and letters made of EPS without visible seams
• Packaging inserts with precise cutouts for products
• Hollow bodies and vases made of EPS
• Decorative elements with internal cutouts
• Theatre sets and trade fair decorations

How Monolithic Cutting Works

The process is simple: first, pre-drill the block at the desired spot - the hole must be large enough for the wire to pass through. Second, thread the wire through the hole and fasten it to the machine. Third, cut the desired closed inner contour. Fourth, pull the wire back out. The drill hole is barely visible afterwards if it was placed carefully.

Software Requirements

The CAM software must support monolithic cuts as closed paths. styroCAM - the control software from cnc-multitool - supports monolithic cutting. The contour is defined as a closed path and the entry point is set at the drill hole. The machine then cuts the complete inner contour without interruption.