Introduction to 25-50 Kg Gross Weighing Machine Manufacturer
The 25-50 kg Gross Weighing Machine is engineered for fast and accurate weighing where the bag is weighed together with the product on the spout. Ideal for free-flowing and semi-free-flowing materials, it offers dependable performance for grains, fertilizers, chemicals, minerals, and animal feed. Samirika Industries Pvt. Ltd. manufactures robust, microprocessor-based systems that integrate weighing, bag clamping, discharge, and transfer to stitching or sealing—delivering consistent accuracy, higher throughput, and reduced product giveaway in demanding industrial environments.
Working Principle and Process Flow of 25-50 Kg Gross Weighing Machine
In a gross weighing system, the empty bag is clamped to the filling spout and the scale measures the combined weight of the bag plus product during filling. Material is fed through gravity, belt, or screw feeders under PLC or microprocessor control. As the target setpoint approaches, the controller shifts from coarse to fine feed to achieve high accuracy, then clamps release and the filled bag moves by conveyor to stitching or heat sealing. This streamlined flow minimizes dust, speeds up cycles, and ensures repeatable weights across batches.
Types of 25-50 Kg Gross Weighing Baggers
- Gravity Feed – Best for free-flowing granules such as rice, pulses, salt, and sugar with high-speed cycles.
- Belt Feed – Suitable for mildly cohesive products like fertilizers, plastic pellets, and blended granules.
- Screw Feed – Designed for fine powders such as flours, minerals, and chemical powders needing controlled dosing.
- Semi-Automatic Gross Weighers – Operator-assisted bag placement with automatic weigh and discharge sequence.
- Fully Automatic Lines – Integrates bag placer, weighing, sealing or stitching, metal detection, and checkweighing.
Key Features and Specifications
- Microprocessor/PLC-based control with coarse-fine feed logic for precise target weights in the 25–50 kg range.
- Rugged construction, dust-minimizing spout design, and reliable pneumatic bag clamping.
- Compatibility with conveyors, heat sealers, stitchers, and bag conditioners for line automation.
- Options for stainless steel product contact parts, anti-bridge agitation, and product recipe storage.
Applications of 25-50 Kg Gross Weighing Machines
- Food and Agro – Accurate bagging of rice, wheat, pulses, seeds, sugar, and animal feed with clean handling and fast changeovers.
- Fertilizers – Reliable filling of urea, NPK, DAP, and blended fertilizers with consistent bag weights and minimal spillage.
- Chemicals – Controlled dosing of powders and granules for industrial and specialty chemicals while reducing dust emissions.
- Minerals and Construction – Weighing of sand, cementitious blends, limestone powders, and additives with durable line integration.
Benefits of Using a 25-50 Kg Gross Weighing System
- Higher Throughput – Bag stays on the spout during weigh-fill, enabling faster cycles versus many net-weigh formats.
- Weight Consistency – Coarse-fine cut-off and digital tuning reduce overfill, improving yield and compliance.
- Labor and Downtime Reduction – Automated sequences cut manual handling and speed changeovers between SKUs.
- Line Scalability – Easy integration with bag placers, sealers, and checkweighers to expand capacity as demand grows.
Top Manufacturers and Suppliers in India
Samirika Industries Pvt. Ltd. supplies complete 25–50 kg gross weighing solutions with gravity, belt, and screw feed options. Other Indian providers include Payper India Pvt. Ltd., Aprotech Engineers Pvt. Ltd., and VT Corp India, offering configurable bagging lines for agro, fertilizer, chemical, and mineral sectors. Selection should be based on product flow characteristics, desired speeds, hygienic needs, and integration with existing conveyors and sealing or stitching units.
Maintenance and Safety Tips
- Calibrate load cells at defined intervals and after product or bag changes to maintain accuracy.
- Inspect spouts, clamps, and feeders for wear or build-up; clean regularly to prevent bridging.
- Verify pneumatic lines and valves for leaks; maintain recommended air quality and pressure.
- Train operators on emergency stops, jam-clearing protocols, and safe bag handling practices.
- Use genuine spares, maintain change-part kits, and log adjustments for audit and traceability.
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