Two-Color Striped Blown Film Machine
Blown film extrusion line for producing multi-colored striped LDPE/HDPE films without printing
Two-color material handling system
Two independent material hoppers combined with dual automatic feeding units store and feed the two color materials separately, preventing cross-contamination during processing.
Uniform cooling system
A labyrinth-type air ring together with cooling fans provides uniform bubble cooling, ensuring clear stripe definition and a flat film surface.
Haul-off and flattening system
The haul-off unit works in combination with gusset boards and four sets of flattening rollers to ensure stable film transport, eliminate wrinkles, and prevent stripe deviation.
Torque-controlled winding system
A torque motor-driven winder equipped with 0.1% accuracy tension sensors enables constant-tension winding with a maximum coil diameter of ≤500mm, while allowing fast reel changeover.
Electrical control system
A PLC with a 10-inch touchscreen integrates dual-extruder synchronized control, temperature monitoring, and fault alarm functions with a response time of ≤1 second, enabling fully automated operation throughout the process.
- Stripe formation without printing
A specially designed die head enables direct stripe formation during extrusion, eliminating printing processes, shortening production cycles by over 30%, reducing costs by more than 25%, and avoiding ink-related contamination. - High durability
Nitrided 38CrMoAl screws with surface hardness≥HV900 extend service life by more than 50% compared with conventional materials. - Excellent cooling uniformity
The labyrinth-type air ring ensures uniform bubble cooling, limiting stripe deformation to ≤ 5% and improving stripe clarity by approximately 40%. - Low operation threshold
PLC and touchscreen control synchronize dual extruders, allowing operators to become fully independent after 1-2 days of training, reducing labor costs by approximately 20%.