The additives automatic weighing machine can replace manual weighing of chemical additives and avoid the error caused by human misoperation. The machine can weighs 5 to 10 kinds of additives with high efficiency, high precision and no dust.
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Modern polymer manufacturing demands absolute precision, especially when handling complex formulations for SPC, LVT, and WPC flooring, as well as rigid or flexible PVC pipes and window profiles. To avoid the workers manual dosing mistake, we developed this advanced PVC additives auto-weighing machine to instead of traditional manual weighing. It can weigh the additives automatically, ensuring exact proportions of critical materials such as stearic acid, wax, titanium dioxide, whitener, carbon black etc. By automating this stage, facilities can prevent costly human errors, reduce material waste, and also keep the workshop clean from airborne particulates.
The core architecture of this PVC additives auto dosing machine has the features of high accuracy, high speed, low tolerance etc. Engineered to achieve strict consistency, the tolerance is less than 10 gram/batch, guaranteeing formula stability across every production cycle. Operators will find that it can storage numberless formulas according to your need, adapting instantly to changing production runs. To ensure uncompromising stability and measurement precision, all the electrical part adopt famous brand to ensure the accuracy and stability, and we specifically use American brand weighing sensor: METTLER TOLEDO. Furthermore, our scada software assess the daily/weekly/monthly reports of total production, material to be consumed, batch recipe, printing, break down alarm etc, these datas can be downloaded by USB for further record and analysis, acting as a vital step toward a fully digitalized smart factory. Depending on your specific facility layout and recipe complexity, we can do 5-10 bins for your choice.

Upgrading from manual preparation to our automated batching and metering system fundamentally transforms the production floor. The improvements span across operational accuracy, worker safety, and overall facility output.

It adopts top-quality weighing sensor and advanced design to reach high accuracy according to the formula. The precision load cells capture minute weight changes, ensuring every batch meets exact specifications without deviation.
According to the weight of the different additive in the formula, the system can adjust the feeding speed automatically. The high power feeding motor is installed in this system, so the feeding will be faster, stable and accurate. This intelligent regulation supports high-frequency, large-capacity continuous production demands, easily handling output rates of 300kg/h and above without material bridging.
The control system adopts international famous brand Siemens products. This ensures long-term operational stability, rapid signal processing, and minimal downtime even in harsh, continuous-duty industrial environments.

This system is composed of several individual small silos. The cables between the silos and the control cabinet are connected well before shipment. It is easy for the user to install and use, requiring minimal on-site wiring or complex commissioning procedures.
Friendly operation interface with diagram and symbol for easy operation. The user doesn't need to revise the program. The user could set parameters on the touch screen to meet different requirement, making daily operation highly intuitive for the floor staff.
The silos are made of 304 stainless steel, providing excellent resistance to corrosion and wear from abrasive granules. The electrics are from international famous brands that have CE or UL certificate, and the overall manufacturing process aligns with strict ISO9001 quality and safety standards.
Evaluating the technical specifications is crucial for integrating new equipment into an existing extrusion or flooring production line. The data table below outlines the core operational parameters of our automated dosing equipment. These specifications highlight the machine's capacity to handle multiple component streams simultaneously while maintaining rapid cycle times. With the capability to process a 15kg batch in just 120 seconds, the system ensures that downstream mixers and extruders are never starved of material. The use of premium S.S. 304 for the bins guarantees material purity, preventing rust or degradation from contaminating the PVC or SPC mixture. Furthermore, the reliance on the USA METTLER TOLEDO weighing sensor brand underscores our commitment to absolute measurement reliability.
| Min. bin number | 4 |
| Max. bin number | 10 |
| Weighing speed | 15kg/120 seconds |
| Weighing sensor brand | USA METTLER TOLEDO |
| Bin raw material | S.S. 304 |
