SLKK-250A Bending / Bulge Mouth Machine Multi-Functional Paper Tube Inner Rolling & Flaring Equipment
Nov 12, 2026The SLKK-250A is an automatic 8-station cam split paper can inner rolling & flaring machine. It completes 360° inner roll forming for composite paper tubes, runs 40–60 pcs/min, widely used for tea, snack, gift, mooncake and food-grade paper can packaging.
SummaryThis all-in-one paper tube bending & bulge mouth machine adopts PLC touch control and servo drive forming. It supports paper tube diameter Φ30–126mm, height 70–250mm, wall thickness 0.7–1.5mm, forming accuracy ±0.3–0.5mm. Equipped with automatic feeding conveyor and atomization lubrication system, it can be docked into full automatic production lines for cylindrical composite paper can edge forming.

- Assembly Line Design: Connectable to upstream & downstream automatic equipment

Technical Parameters

Application Scenarios
Ideal for cylindrical composite paper can inner rolling, flaring and edge forming:
- Tea Paper Cans
- Snack Paper Cans
- Gift Paper Tubes
- Mooncake & Herb Cans
- Food Grade Composite Tube Packaging

FAQ
Q1: What process does this machine do?
A1: It mainly finishes inner rolling, flaring and bulge mouth forming on paper tube opening, to strengthen the can mouth and match lid sealing.
Q2: Can it connect with other machines in the paper can production line?
A2: Yes. The conveyor structure supports docking with paper tube winding machine, labeling machine and bottom sealing machine to build a fully automatic line.
Q3: Is it suitable for food contact paper cans?
A3: Yes. It supports food-grade packaging paper tube production, meets food packaging requirements.
Q4: How to adjust different sizes of paper cans?
A4: Adjust parameters on the PLC touch screen, replace the corresponding forming die for different diameter & height paper tubes.