Lum Dong(Corrugated cardboard production line/Corrugated box making machine)

LUM-A/B/C/D/S corrugated paperboard production line ,which includes Paper Mill Roll Stand, Single Facer Corrugator, Pre-heater Jar, Conveyor Bridge, Gluing Machine, NC Slitter Scorer, NC Cut Off and Auto-stacker, then to produce high quality board, which can reach high speed and high performance. We can produce the 3 ply, 5 ply and 7 ply corrugated paperboard production line,width range 1400-2800mm, and production speed 100-300m/min. Customer can choose corrugator width and speed according to his production demand.

  ˗ˋˏ 🌕🌕🌕 ˎˊ˗ The fullest moon shines in the direction of home. The finest gift is reunion that transcends distance. Should there be any sense of loss, a parcel sent from afar brings solace to the festive season.💝💝 From our smart corrugated lines to the parcel brimming with affection in your hands, each step demands meticulous preparation. Premium corrugated cardboard ensures every sentiment is perfectly presented. Sturdy, eco-friendly, and bearing the weight of reunion. We provide the most dependable “packaging machine” for your festive blessings. Happy Mid-Autumn Festival!👌👌👍🫶🌹 This Mid-Autumn Festival, for whom would you most wish to prepare a thoughtfully packaged gift?🎁

  1. Board Warping Problem Description: After leaving the corrugated cardboard production line , the board is not flat but curves upward, downward, or to one side. Cause Analysis: Uneven moisture content: This is the core cause. Different parts of the cardboard (face paper, liner paper, core paper) have inconsistent moisture levels, leading to varying drying shrinkage rates. Upward Warping: Typically caused by excessively high moisture content in the face paper or overly dry liner paper. The face paper has a higher shrinkage rate than the liner paper. Downward Warping: Opposite of upward warping, caused by excessively high moisture content in the liner paper or overly dry face paper. The liner paper has a higher shrinkage rate than the face paper. S-curve warping: Lateral warping usually caused by uneven cross-directional temperature on the production line or inherent paper defects. Inappropriate base paper combination: Significant disparities in physical properties (basis weight,...

  From September 9 to 11, 2025, Print 2 Pack & Paper Middle East 2025 was grandly held at the Egypt International Exhibition Center. As the premier global event for  corrugated box plant machinery , this edition attracted attendees from around the world. Under the theme “Integrity Wins the World,” LUM leveraged the packaging exhibition as a platform. With its high-intelligence automated equipment serving as a powerful market entry point, the company comprehensively showcased its cutting-edge technologies and innovative products in the high-end intelligent equipment sector. This presentation demonstrated to the global audience the deep integration and technological breakthroughs achieved by Chinese intelligent manufacturing across the entire corrugated packaging industry chain. 1.  A New Benchmark in Smart Manufacturing: The LUM 2.8-Meter Ultra-Wide Intelligent corrugated cardboard production line  Redefines Efficient Manufacturing   As the star product of th...