Introduction to 25 kg Net Weighing Machine
A 25 kg Net Weighing Machine is a high-speed, high-accuracy dosing and weighing solution that measures the product in a dedicated weigh hopper (net weight) before discharging it into a bag, box, or container. This method eliminates bag weight influence, delivering tighter accuracy, faster cycles, and lower giveaway—ideal for food grains, sugar, salt, fertilizers, chemicals, minerals, plastic granules, and animal feed. Samirika Industries Pvt. Ltd. provides robust, microprocessor-controlled systems engineered for continuous industrial duty, hygienic handling, and seamless integration with bagging, sealing, and stitching lines.
Working Principle and Process Flow of 25 kg Net Weighing Machine
In a net-weigh system, material is first dosed into a suspended or load-cell-mounted weigh hopper. A coarse-fine (and sometimes dribble) feed algorithm approaches the 25 kg target precisely. After stable weight verification and auto zero tracking, a discharge gate opens to release the weighed product into the bag or container. Meanwhile, the hopper is immediately recharged for the next cycle, enabling overlapping operations and higher throughput than gross-weigh systems. Optional dust extraction at the spout maintains a clean and safe filling area.
Types of 25 kg Net Weighing Machines
- Gravity Feed – For free-flowing products like rice, sugar, salt, and plastic pellets.
- Belt Feed – For semi-free-flow materials such as fertilizers and mineral granules.
- Screw (Auger) Feed – For fine powders: flour, talc, additives, and chemicals.
- Vibratory Feed – For fragile or blended products requiring gentle handling.
- Single / Dual Weigh Hopper – Dual hoppers for higher speeds with alternating cycles.
- Hygienic / Food-Grade – Contact parts in SS with easy clean and tool-less access.
Key Features and Specifications
- Microprocessor / PLC control with coarse-fine-dribble dosing for tight accuracy.
- High-resolution load cells with auto zero, auto tare, and weight stability checks.
- Recipe memory for different products and target weights (typically 5–30 kg range).
- Anti-bridging design, level sensors, and adjustable feed gates to handle varied flow.
- Integrated bag clamp, de-aeration, and dust extraction interfaces at the spout.
- Seamless integration with conveyors, auto bag placing, sealing, and stitching units.
Applications of 25 kg Net Weighing Machine
- Food Grains & Pulses – Rice, wheat, dal, and maize with hygienic contact parts and consistent 25 kg packs for wholesale distribution.
- Sugar & Salt – Free-flow crystals packed at high speed with minimal dust and product loss.
- Chemicals – Powder and granular chemicals with recipe-based accuracy and safety interlocks.
- Fertilizers – Urea, NPK, and specialty blends bagged with reliable sealing and traceability.
- Minerals – Sand, limestone fines, bentonite, fillers, and additives for construction and mining.
- Plastics – Virgin and recycled granules, masterbatch, and compounds for polymer processors.
- Animal Feed – Pellets and mash with gentle handling and consistent bag weights.
Benefits of Using a 25 kg Net Weighing Machine
- Higher Throughput – Overlapped charge/discharge cycles increase bags-per-minute.
- Tighter Accuracy – Net measurement avoids bag influence, reducing giveaway and rework.
- Operational Reliability – Industrial-grade construction with diagnostics and alarms.
- Clean & Safe – Dust control options and enclosed transfer for better hygiene.
- Flexibility – Swap recipes and feed modes to handle varied products and densities.
Top Manufacturers and Suppliers in India
Indian industry offers several trusted suppliers of 25 kg net weighing and bagging systems. Samirika Industries Pvt. Ltd. delivers rugged, PLC-controlled solutions with gravity, belt, screw, and vibratory feeds. Other notable providers include companies specializing in open-mouth and valve-bag lines, dose-and-weigh modules, and full end-of-line automation to match throughput and product-handling needs across food, chemical, fertilizer, mineral, and plastics sectors.
Maintenance and Safety Tips
- Calibrate load cells on a defined schedule; verify zero and span before production.
- Clean feed paths and weigh hopper regularly to prevent buildup and drift.
- Inspect gates, belts, screws, and bearings; lubricate per OEM recommendations.
- Validate coarse/fine/dribble setpoints after product changeover to maintain accuracy.
- Train operators on alarms, emergency stops, and safe bag handling procedures.
FAQs – 25 kg Net Weighing Machine
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