What Is Core Forming Drum?
Direct Answer
A core forming drum is the vacuum-equipped rotary component that shapes fluff pulp and SAP into the diaper absorbent core.
Key Takeaways
- A core forming drum is the vacuum-equipped rotary component that shapes fluff pulp and SAP into the diaper absorbent core.
- How it works: Vacuum pulls fluff and SAP granules onto the drum surface into the exact core shape and density, then transfers the formed core onto the moving web..
- Fluff-SAP core formation on high-speed diaper lines
- Forming quality depends on vacuum and fiber dosing balance, not just drum shape
How Core Forming Drum Works
Vacuum pulls fluff and SAP granules onto the drum surface into the exact core shape and density, then transfers the formed core onto the moving web.
Examples and Applications
- Fluff-SAP core formation on high-speed diaper lines
- Multi-layer core forming for premium products
Core Forming Drum vs. Related Terms
| Term | What it is | Key difference |
|---|---|---|
| SAP volumetric feeder | Core Forming Drum | The feeder meters SAP; the drum shapes the mixed core |
Limitations and Common Misconceptions
- Forming quality depends on vacuum and fiber dosing balance, not just drum shape
- SAP distribution uniformity is what prevents clumping later
How is a diaper core shaped?
A vacuum core-forming drum pulls fluff and SAP onto its surface in the exact core profile, then transfers the formed core onto the production web.
References
- JP CIA (industry) - Baby diaper material: key components and their functions — 行业媒体 (accessed 2026-08-02)
- EDANA - What are nonwovens? (ISO 9092 / CEN EN 29092 definition) — EDANA (accessed 2026-08-02)