AIS — PROC-X MANUFACTURING GROUP
AIS Automatic Ingredient Dosing Systems
Precision ingredient handling, weighing, dosing & automation. AIS — Automated Ingredient Systems designs and integrates automated ingredient dosing systems for manufacturers that need to move the right ingredient, in the right quantity, at the right time, to the right process — every batch.
Automatic ingredient dosing is much more than adding a feeder above a mixer. A properly engineered dosing system must coordinate ingredient receiving, storage, flow promotion, feeding, weighing, conveying, recipe management, batch sequencing, verification, dust control, sanitation, traceability, and downstream process integration.
AIS systems can be engineered for macro, minor and micro ingredient dosing, as well as liquid ingredient metering, continuous feeding and complete automated batching systems — spanning volumetric feeders, gravimetric feeders, loss-in-weight and gain-in-weight systems, weigh hoppers, micro-ingredient dosing, vacuum conveying, dilute- and dense-phase pneumatic conveying, mechanical conveying and liquid-metering interfaces.
The objective is not merely automation. The objective is repeatable formulation control.
Why Automate Ingredient Dosing?
Manual ingredient addition can work for simple or low-volume processes. As production complexity increases, manual handling can introduce weighing errors, wrong-ingredient additions, skipped ingredients, over- or under-dosing, inconsistent batch sequencing, excessive labour, dust exposure, poor traceability, and ingredient waste. Automated dosing addresses these risks by bringing measurement and process control into a single coordinated system.
Ingredient accuracy is process accuracy. In many formulations, the most expensive or functionally important ingredient is present in the smallest quantity — an error of several kilograms in a bulk carrier may have little impact, while an error of several grams in an enzyme, vitamin, catalyst, flavour, colour or pharmaceutical active can significantly alter the finished product. AIS therefore divides ingredient handling into logical dosing classes rather than treating every material the same way.
Macro, Minor & Micro Ingredient Dosing
A complete automatic dosing system may need to handle ingredients from tonnes per batch down to only a few grams — the feeding technology used for one end of that range is rarely appropriate for the other. The engineering principle: the dosing technology must be sized around the ingredient quantity and required accuracy.
Macro Ingredient Dosing
Flour, sugar, starch, salt, minerals, resins, grains, protein powders and other bulk ingredients from silos, day bins, hoppers, FIBCs or IBCs. Optimised for high throughput, rapid batch filling and repeatable weight control — often using high-flow then low-flow feeding to balance speed with final accuracy.
Minor Ingredient Dosing
Salt, sugar, milk powders, seasonings, functional fillers, stabilizers and intermediate premixes — requiring a stronger balance between capacity, feeder controllability, resolution and cross-contamination control.
Micro Ingredient Dosing
Vitamins, enzymes, colours, flavours, sweeteners, catalysts and pharmaceutical actives — where relatively small errors have disproportionately large effects. A micro system can’t simply be a scaled-down macro system: screw diameter, feeder speed, load-cell resolution and material adhesion all become far more significant. Precision must be engineered mechanically before it can be controlled electronically.
Volumetric vs Gravimetric Dosing
Volumetric Dosing
Delivers material based on feeder displacement and speed (screw, rotary, vibratory feeders). Effective where bulk density is stable and extreme accuracy isn’t required — simpler than gravimetric, but cannot automatically compensate for density changes.
Gravimetric Dosing
Measures material by weight, compensating for changes in bulk density, feeder performance or flow. Used where dosing accuracy and repeatability are critical.
Loss-in-Weight vs Gain-in-Weight
Loss-in-Weight
Measures the reduction in weight of a feeder and hopper as material discharges, adjusting feeder speed to maintain the required rate. Particularly suited to continuous feeding, high-accuracy dosing, micro ingredients, extrusion and continuous mixing — though performance depends heavily on feeder geometry, load-cell resolution, and proper refill strategy.
Gain-in-Weight
Measures the increasing weight of a receiving hopper as ingredients are added. Multiple ingredients can feed into one central weigh hopper, each operating until target cumulative weight is reached, then discharged together — highly effective for multi-ingredient batch processing.
A central weigh hopper lets several ingredients share one weighing device, reducing load-cell systems, footprint and cost, though ingredients are typically dosed sequentially. Individual weighing systems allow parallel dosing and reduced batch cycle time, at the cost of higher equipment count. AIS evaluates both centralised and decentralised strategies.
Feeder Technologies
Screw Feeders
The most widely used dry ingredient technology — controlled positive displacement for powders, granules, pellets and moderately cohesive materials.
Twin-Screw Feeders
Two screws work together to reduce bridging, rat-holing and pulsation — especially useful for cohesive powders and low feed-rate, demanding micro-dosing applications.
Vibratory Feeders
Relatively gentle handling for granules, fragile ingredients, crystals and flakes — with comparatively simple, easy-clean product-contact geometry.
Weigh Belt Feeders
Combines conveying and continuous weighing — measuring material load on the belt combined with belt speed for higher-capacity continuous processes.
Rotary Valves
Controlled bulk transfer, airlock service, feeding or isolation between pressure zones — important in pneumatic conveying, though not automatically a precision dosing device.
Ingredient Receiving & Storage
Automatic dosing cannot perform reliably if raw materials cannot be received and discharged consistently. The receiving architecture should match how ingredients actually arrive at the plant.
Bulk Silo Systems
High-capacity storage for tanker quantities — fill lines, filters, level measurement, aeration, live bottoms, discharge valves, rotary airlocks and pneumatic conveying.
FIBC & Bulk Bag Unloading
Bag lifting frames, hoists, dust-tight connection, bag massage, vibration, flow promotion, weighing, lump breaking and screening.
Bag Dump Stations
Controlled introduction of smaller bags — dust collection, screens, magnets, bag compactors and downstream conveying, integrating manual bag handling into an otherwise automated system.
IBC & Tote Handling
Docking, discharge valves, identification, weighing, transfer and cleanable connections — for storage, pre-weighed batching, or mobile formulation.
Flow problems — bridging, arching, rat-holing, flooding, compaction, segregation and adhesion — can be addressed with agitation, vibration, air pads, live bottoms, bin activators or flexible hopper walls, with the goal of controlled mass flow into the feeder.
Automatic Ingredient Conveying
After weighing or metering, ingredient usually has to move — conveying is not the same as dosing: a pneumatic conveyor moves material but doesn’t automatically measure an accurate quantity, so if dosing accuracy is required, conveying must be integrated with weighing, controlled feeding, or another validated metering method.
Vacuum Conveying
Enclosed transfer with reduced dust leakage, flexible routing, sanitary configurations and multiple pickup points — widely used for powders and granules in food, pharma and industrial processing.
Pressure Pneumatic
Pushes material using compressed air — useful for longer distances, high-capacity transfer and multiple destinations.
Dilute-Phase
Higher gas velocity, lower solids loading — simple piping, flexible routing, high transport rates. Not ideal for fragile or highly abrasive products prone to attrition.
Dense-Phase
Higher solids loading, lower velocity — reduces particle breakage, attrition and pipeline wear. Especially appropriate for fragile ingredients, abrasive powders, long distances and segregation-sensitive blends.
Liquid Ingredient Dosing
AIS also integrates liquid ingredient systems for water, oils, syrups, acids, bases, solvents, emulsifiers, flavours and liquid actives — via load-cell tanks, Coriolis or magnetic flow meters, metering pumps, positive-displacement pumps, and batch tanks with weighing.
Gravimetric Liquid Dosing
Weigh tanks, load-cell vessels or loss-in-weight measurement — particularly useful where density may vary or mass-based formulation is required.
Flow-Meter-Based Dosing
Coriolis, magnetic or other mass/volumetric flow technologies, selected by conductivity, viscosity, density, temperature, flow rate and required accuracy.
Precision dosing of oils and oleoresins requires both accurate liquid measurement and effective distribution into the downstream mixer — AIS liquid metering can be integrated directly with QuantumX mixing systems to coordinate dosing with agitator operation, spray nozzles, batch weight, recipe sequence and mixing time.
Automated Batching, Recipe Control & Traceability
Automatic ingredient dosing becomes substantially more powerful when all components operate as one recipe-controlled batching system — identifying ingredients, verifying availability, initiating feeders, measuring additions, sequencing transfer, confirming target weight, documenting the batch, and releasing material to the process.
- Recipe management via HMI selection
- Ingredient verification (barcode, RFID, lot ID)
- Lot and batch traceability
- PLC & HMI automation, alarm management
- Production reports & diagnostics
- MES / ERP integration
For regulated and quality-sensitive industries, knowing which lot was used, how much, when, and which batch received it can be just as important as the dose itself.
Why Dosing Accuracy Matters Financially
Over-Dosing
The product may still pass quality testing — but the manufacturer gives away margin in every batch. For expensive vitamins, enzymes, flavours or pharmaceutical actives, small systematic overfeeds become significant annual costs.
Under-Dosing
Can create failed quality testing, non-conforming product, rework, lost batches, reduced functionality, customer complaints, or regulatory exposure.
The target isn’t “add extra to be safe” — it’s dosing accurately enough that unnecessary safety margins can be reduced. Accuracy (how close the dose is to target) and repeatability (how consistent results are cycle to cycle) are related but different — a good system needs both.
Dosing performance depends on feeder type and sizing, turndown ratio, screw geometry, load-cell capacity and resolution, structural vibration, refill strategy, and control algorithm — an oversized feeder is one of the biggest causes of poor micro-dosing accuracy. Most batch dosing uses fast-feed then dribble-feed (high speed early, slower as target approaches), plus in-flight compensation — stopping the feeder early to account for material still moving between feeder and weigh vessel.
Sanitary, ATEX & Dust Control
Food, dairy, nutraceutical and pharmaceutical processes need cleanable systems — 304/316L stainless steel, hygienic welds, polished surfaces, drainability, reduced ledges and quick-release components, evaluated at the system-design stage since cleanability can’t be added later just with more wash water. CIP, WIP or dry cleaning strategies can be engineered per process, alongside allergen/cross-contamination control (dedicated paths, segregated hoppers, purge sequences) for potent or high-value ingredients. Dust control (local extraction, bin vent filters, enclosed transfer, dust-tight valves) keeps ingredient inside the process — not in the room. For combustible dust and hazardous atmospheres, systems can be engineered for ATEX 2014/34/EU, explosion venting/isolation, certified electrical equipment, and nitrogen inerting where required.
Industries Using Automatic Ingredient Dosing
Food & Bakery
Flour, sugar, salt, starch, cocoa, spices, flavours, oils, leavening agents, enzymes and preservatives.
Dairy & Beverage
Dairy powders, proteins, stabilizers, sweeteners, flavours, minerals and liquid ingredients.
Nutraceutical
Vitamins, minerals, proteins, sweeteners, flavours, botanicals and functional ingredients.
Pharmaceutical
Excipients, APIs, granulation ingredients, binders and controlled liquid additions — traceability and verification are especially important here.
Chemical
Catalysts, pigments, additives, fillers, resins, powdered chemicals and specialty ingredients.
Plastics & Polymers
Resin pellets, masterbatch, pigments, stabilizers and reinforcing additives — integrated directly with FuXion extrusion.
Minerals & Mining
Minerals, pigments, fillers, refractory ingredients and cementitious materials.
Animal Nutrition
Grains, proteins, minerals, vitamins, medicated additives and functional feed ingredients.
Feeding Extruders & Mixers Automatically
Extrusion places particularly high demands on ingredient dosing — a continuous extruder requires stable mass flow, since changes in ingredient rate affect torque, pressure, residence time and product quality. AIS loss-in-weight feeders can be integrated directly with FuXion single- and twin-screw extruders for controlled continuous feeding. AIS can also automate batch ingredient delivery to QuantumX mixers: recipe selection → macro weighing → micro dosing → liquid addition → transfer to mixer → batch verification → mixing — removing a substantial amount of manual handling from production.
Complete Automated Batching Systems
AIS can engineer complete batching architecture rather than isolated feeders:
Receive → Store → Condition → Dose → Convey → Process → Control
This can integrate bulk silos, bags, totes, hoppers, screening, weighing, pneumatic conveying, mixers, extruders and PLC/HMI controls into one coordinated production system — from tanker unloading and silo storage, through screening and lump breaking, to volumetric/gravimetric/micro dosing, vacuum/dense/dilute-phase conveying, and into mixers, mills, extruders, dryers or filling systems.
What Makes AIS Different?
Complete Material Path
AIS looks at received → stored → conditioned → measured → transferred → verified → processed, not just the feeder alone.
Macro, Minor & Micro Dosing
One system can coordinate ingredients ranging from bulk quantities to precision micro additions.
Gravimetric & Volumetric Expertise
Measurement technology selected around the required accuracy and production duty.
Dense, Dilute & Vacuum Conveying
Dosing and conveying engineered together without confusing the two functions.
Full IBC, Tote, Bag & Bulk Integration
Ingredients enter the system in the format actually used by the manufacturer.
Automated Recipe Control
PLC/HMI architecture coordinates the complete batch and documents ingredient additions.
Ingredient Traceability
Barcode, RFID, lot tracking and batch recording integrated where required.
Sanitary Processing
Designed for hygienic industries and appropriate cleaning strategies.
ATEX & Hazardous Processing
Combustible dust and hazardous-area requirements addressed within the complete design.
Complete Process Integration
As part of Proc-X, dosing integrates with QuantumX mixing, DP milling, FuXion extrusion, EmulXion liquid processing, InspeX inspection and PreciXion packaging.
Automatic Dosing vs Manual Weighing
Manual weighing may remain appropriate for very low production volume, infrequently used ingredients, or products where automation can’t be economically justified. Automatic dosing becomes increasingly attractive with frequent batches, many recipes, high-value ingredients, tight tolerances, labour constraints, traceability requirements, combustible dust, or significant ingredient giveaway. The optimum system may combine automated macro dosing with supervised manual addition of selected rare ingredients.
Explore the Complete AIS Automated Ingredient Systems Portfolio
For detailed information on automated ingredient dosing, bulk material handling, pneumatic conveying, loss-in-weight feeding, gain-in-weight batching, micro ingredient systems, silos, FIBC unloading, IBC handling and complete automated batching systems, visit the dedicated AIS website.
Visit www.ais-kc.com →QUOTE / TECHNICAL REVIEW
Talk to an AIS ingredient dosing engineer.
Provide your ingredient list, bulk densities, recipe quantities, required accuracy, batch size, batches per hour, ingredient supply format, conveying distances, downstream equipment, sanitary requirements and ATEX requirements — we’ll evaluate the correct combination of receiving, storage, feeding, weighing, conveying, controls and process integration.