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for metallic honeycombs and turbine parts
If you run a waterjet, you know the deal. The jet cuts through your material, then hits whatever's underneath. If that support is solid – a metal slat, a plate, even a coarse grid – the water bounces back. Right up into the underside of your cut.
That's splash‑back. It roughs up your edges. And it sprays abrasive back at your nozzle, wearing it out way faster.
A water jet machines honeycomb table fixes that. Not by stopping the jet. By handling what happens after it goes through.
Why Solid Tables Cause Splash‑Back
Waterjet hits the workpiece, cuts through, keeps going. When it hits the table, it deflects. That deflection sends water and grit back up into the cut zone.
Rough edges. Uneven cuts. Nozzle wear.
Honeycomb changes that completely.
What Honeycomb Does Differently
Three things.
First, it lets the jet pass through. The open cells give water a path down instead of a surface to bounce off of.
Second, it breaks up the energy. Instead of one concentrated stream bouncing back, the honeycomb walls dissipate it.
Third, it drains fast. Water doesn't pool on the surface. It goes through and away.
Solid table? Splash‑back. Honeycomb? Water passes through and keeps going.
Why Cell Size Matters
Too small, water bounces back anyway. Too large, thin materials sag and vibrate during the cut.
Right size? Workpiece stays stable. Water drains fast.
For pure water cutting (no abrasive), plastic honeycomb is common. For abrasive cutting, some shops use stainless steel grids.
Other Benefits
Less splash‑back means cleaner edges. Less abrasive spray hitting the nozzle means it lasts longer.
Thin or small workpieces sit flat on the honeycomb surface instead of falling through gaps.
Polypropylene honeycomb supports are reusable, reversible, and don't corrode. Metal slats rust and wear out.
Metal slats can leave metallic particles on your workpiece. Honeycomb doesn't.
The Bottom Line
Splash‑back happens when water hits a solid surface underneath your material and deflects back up.
Honeycomb lets the jet pass through, absorbs impact, and drains water fast.
Right cell size keeps the workpiece stable. Open structure keeps your cuts clean and your nozzle alive longer.
We make water jet machines honeycomb tables. If splash‑back is eating your edges and your nozzles, that's what you need. That's what we do.