In the packaging workshop at seven o'clock in the morning, commissioning engineer Li Ming was leaning over to observe the abnormality on the conveyor belt - a certain newly ordered plant essential oil formed a drawing-like residue at the filling port, which looked very much like melted maltose. This reminded him of the scene when Mr. Zhang, a customer, visited last week: "Our raw materials contain natural fiber particles, which ordinary liquid packaging machines can't handle at all." The customer's anxious eyes and sighs are now echoing repeatedly in the hum of the conveyor belt.
This scene is not uncommon in the ply-pack R&D center. As a "precision craftsman" in modern industry, liquid packaging machines must show strong adaptability when facing ever-changing material characteristics. In response to special challenges such as highly viscous materials, the technical team developed a double-screw supercharger system. When the viscosity of the material exceeds 10,000 cPs, the specially designed alloy screw can still maintain a uniform speed of advancement, just like installing a precise "thruster" on thick honey.
In the test workshop next door, a group of technicians are verifying the actual effect of the new anti-drip technology. Faced with alcohol products with excessive fluidity, they innovatively used an air pressure compensation device to form a micro air curtain within 0.3 seconds after the filling head leaves the container mouth, successfully controlling the drip volume to less than 0.01 ml. This breakthrough made the purchasing director of a well-known disinfectant manufacturer praise repeatedly: "We have tested five liquid packaging machines, and only you have solved this industry pain point."
For suspensions containing solid particles, ply-pack's solution is more ingenious. The adjustable angle V-shaped guide groove is combined with an adaptive flow rate control system to ensure that solid materials from sesame seeds to wolfberries are evenly distributed. Wang, the quality inspector of the jam factory who was inspecting the equipment, made a vivid analogy: "It's like arranging a dedicated seat for each piece of fruit pulp, and the filling accuracy is more stable than manual packaging."
Under the wave of intelligence, the evolution direction of liquid packaging machines has become clearer. The latest seventh-generation model put into production is equipped with a material property database. Only by entering parameters such as viscosity, particle size, and pH value, the equipment can automatically match the best working mode. This "fool-style" operation not only lowers the technical threshold of customers, but also shortens the debugging time from 8 hours in the traditional mode to 40 minutes.
As dusk deepened, the debugging workshop was still brightly lit. Li Ming smiled at the smoothly running equipment, and the packaged products on the conveyor belt were neatly lined up at a speed of 60 bags per minute. He knew that tomorrow would usher in a new challenge-a nanomaterial company needed to deal with conductive silver paste that would clump. But in the liquid packaging solution map of ply-pack, there is no "stubborn" material that cannot be overcome, only the technical ingenuity of continuous evolution.