Milk Powder Weighing Production Line

The Keypack Intelligent Milk Powder Weighing Production Line is an automatic powder packaging line designed for high-precision infant formula line and nutritional powder packaging with complete automation. It delivers 30-120 bottles/min production capacity with dual weighing system achieving ≤±0.5% high accuracy, featuring vacuum nitrogen flushing for residual oxygen control, automatic can sterilization, and PLC control with touchscreen interface. Ideal for milk powder canning line operations, protein powder packaging, dairy production facilities, and pharmaceutical-grade powder products requiring GMP compliance and hygienic design.

Product Overview

This powder canning line is engineered specifically for milk powder canning operations across food grade packaging and pharmaceutical applications. The twin-head filling production line features fully automated operation with one-touch startup after initial setup, requiring minimal operator intervention throughout production runs. The dual weighing system performs coarse filling followed by precision filling, with first weighing feedback determining precision fill amount and second weighing confirming final accuracy to ensure each can meets target weight specifications while maximizing high yield rate.

The Keypack Intelligent (kunbupack) Milk Powder Weighing Production Line incorporates vacuum nitrogen flushing technology with nitrogen vacuum sealer to control residual oxygen levels, extending shelf life for sensitive nutritional products and infant formula. Integrated dust extraction maintains a hygienic production environment during filling operations, while the sealed modular design with separated work area and control panel protects both operators and equipment. The enclosed structure maintains environmental cleanliness while meeting food grade packaging standards for GMP compliance.

Built with universal design principles, this automatic powder packaging line handles multiple packaging materials including 307#, 401#, 502#, 300# metal cans, PET containers, glass bottles, and tinplate cans. Quick changeover between different can sizes is achieved by replacing simple tooling components while the main machine body and core components remain universal, enabling one machine to serve multiple product formats. The complete automation system integrates empty can blow-cleaning and sterilization, automatic filling with dust extraction, vacuum nitrogen sealing, laser coding, automatic can body cleaning, lid pressing, and discharge—all within a single integrated production workflow.

Key Features and Machine Characteristics

Dual Weighing System for High Accuracy and High Yield Rate

The advanced dual weighing system performs two-stage filling with coarse and precision filling to ensure final product weight meets specifications while improving high yield rate and reducing material waste. The first weighing feedback determines the precise amount needed for precision fill, while the second weighing confirms final accuracy to ensure products meet formula weight requirements. This two-stage verification process maintains ≤±0.5% high accuracy across varying powder characteristics, supporting consistent quality in infant formula line production and nutritional powder packaging where precise dosing directly impacts product compliance and customer satisfaction.

Complete Automation with Multi-Point Detection for Safe Operation

The twin-head filling production line features complete automation with multiple detection points throughout the workflow to ensure safe and stable production. Can presence detection prevents star wheel rotation when containers are not properly positioned, coarse filling detection ensures containers are present before initiating bulk fill, first weighing checkpoint provides feedback for precision fill calculation, precision filling detection confirms container presence for final dosing, and second weighing verification validates final product accuracy. This comprehensive detection system enables one-touch startup after initial setup with minimal operator intervention, reducing labor costs while maintaining consistent quality and preventing equipment damage from missing containers or improper positioning.

Vacuum Nitrogen Flushing for Extended Shelf Life and Product Protection

The integrated nitrogen vacuum sealer removes oxygen from filled cans and replaces it with inert nitrogen gas, controlling residual oxygen levels to prevent oxidation and maintain product freshness for sensitive infant formula and nutritional powders. This vacuum nitrogen flushing technology extends shelf life by protecting heat-sensitive vitamins, proteins, and nutritional compounds from oxidative degradation during storage and distribution. The residual oxygen control is particularly valuable for infant formula line operations where nutritional integrity and extended shelf life are critical quality parameters, supporting GMP compliance requirements for pharmaceutical-grade nutritional products and dairy production facilities serving international markets with extended distribution chains.

Dust Extraction and Hygienic Design for Clean Production Environment

The built-in dust extraction system captures airborne powder particles during filling operations, maintaining a clean production environment and protecting operator health while preventing product contamination. The sealed construction with separated work area and control panel isolates electrical components from powder exposure, extending equipment life and reducing maintenance requirements. The enclosed structure maintains environmental cleanliness while the hygienic design with food grade packaging materials meets sanitary standards for infant formula line production, dairy production, and pharmaceutical applications. This comprehensive approach to contamination control supports GMP compliance and enables efficient cleaning between product changeovers in facilities processing multiple powder formulations.

Universal Design for Multiple Can Formats and Quick Changeover

The high versatility of this powder canning line allows one machine to handle various packaging materials including 307#, 401#, 502#, 300# metal cans, PET containers, glass bottles, and tinplate cans. Quick changeover between different can sizes and formats is achieved by replacing simple tooling components and adjusting mechanical settings, while the main machine body and core filling components remain universal across product formats. This universal design reduces capital investment for facilities producing multiple product lines and enables rapid response to market demands for different package sizes. The flexibility is particularly valuable for contract manufacturers serving multiple brands and facilities transitioning between seasonal product offerings in nutritional powder packaging and dairy production operations.

Modular Construction for Seamless Line Integration

The compact modular design of this automatic powder packaging line facilitates integration into existing production lines and enables flexible facility layouts. The enclosed structure maintains environmental cleanliness while the modern aesthetic design presents a professional appearance suitable for GMP-compliant facilities and customer facility tours. The modular construction allows the powder canning line to be positioned within various production workflows, connecting seamlessly with upstream powder processing equipment and downstream palletizing systems. This integration capability supports end-to-end automation in infant formula line production, nutritional powder packaging operations, and dairy production facilities seeking to optimize labor efficiency and maintain consistent quality throughout the packaging process.

PLC Control with Touchscreen HMI for Flexible Operation

The advanced PLC control system with user-friendly touchscreen human-machine interface enables flexible operation, easy maintenance, and precise parameter adjustment for different product formulations. The touchscreen interface provides intuitive access to production parameters, real-time monitoring of filling operations, and fault diagnosis capabilities that simplify troubleshooting and reduce downtime. Operators can easily adjust filling weights, modify production speeds, and switch between product recipes through the friendly interface, supporting efficient production in facilities handling multiple powder formulations. The high automation level reduces operator training requirements while the convenient maintenance access and diagnostic functions minimize service time, supporting continuous operation in high-volume infant formula line and nutritional powder packaging facilities.

Integrated Can Sterilization and Cleaning for Hygienic Packaging

The automatic can sterilization module performs empty can blow-cleaning and sterilization before filling, removing dust particles and reducing microbial contamination to ensure hygienic packaging. After filling, the automatic can body cleaning function removes any powder residue from external surfaces before vacuum nitrogen sealing, maintaining product presentation quality and preventing cross-contamination. The automatic lid pressing completes the sealing process with consistent pressure application, ensuring proper seal integrity for extended shelf life. This comprehensive approach to hygienic design throughout the filling and sealing workflow supports GMP compliance requirements for infant formula line production, pharmaceutical-grade nutritional products, and dairy production facilities serving markets with strict food safety regulations.

Application Areas

Infant Formula Line: Milk Powder Canning with Nitrogen Flushing for Nutritional Preservation

Infant formula manufacturers utilize this milk powder canning line for high-precision filling of infant milk powder into metal cans or PET containers with vacuum nitrogen flushing for extended shelf life and nutritional preservation. The dual weighing system ensures accurate dosing to meet regulatory requirements for declared net weight, while the residual oxygen control protects heat-sensitive vitamins and DHA from oxidative degradation during storage. The automatic can sterilization and hygienic design support GMP compliance for infant formula line production, meeting FDA, EU, and NMPA standards for infant nutrition products. The complete automation from empty can handling through laser coding and lid pressing reduces labor costs while maintaining consistent quality in high-volume production facilities serving retail and export markets.

Nutritional Powder Packaging: Protein Powder and Meal Replacement Canning for Sports Nutrition

Sports nutrition manufacturers employ this automatic powder packaging line for protein powder canning in various container formats, meal replacement powder dosing for retail and foodservice applications, and sports nutrition supplement packaging requiring accurate weight control and moisture protection. The twin-head filling production line handles whey protein isolate, plant-based protein blends, and complete meal replacement formulations with varying powder characteristics, maintaining ≤±0.5% high accuracy across different bulk densities and flowability profiles. The vacuum nitrogen flushing extends shelf life for products containing sensitive amino acids and vitamins, while the dust extraction maintains clean production conditions for allergen control in facilities processing multiple protein sources including dairy, soy, and pea proteins.

Dairy Production: Whole Milk Powder and Skim Milk Powder Canning for Retail and Food Service

Dairy processors deploy this powder canning line for whole milk powder packaging in retail cans and bulk containers, skim milk powder dosing for foodservice applications and food ingredient supply, and dairy-based nutritional product canning for institutional markets. The system handles milk powder with varying fat content and moisture levels, maintaining consistent filling accuracy despite seasonal variations in powder characteristics. The automatic can sterilization and hygienic design meet dairy industry sanitary standards, while the nitrogen vacuum sealer protects milk powder from oxidation and moisture absorption during storage and distribution. The high yield rate and accurate dosing reduce product giveaway in high-volume dairy production facilities serving retail grocery, foodservice distribution, and food manufacturing markets.

Pharmaceutical and Nutraceutical: Medical Nutrition Powder Canning with GMP Compliance

Pharmaceutical manufacturers utilize this GMP-compliant automatic powder packaging line for medical nutrition powder canning in pharmaceutical-grade containers, vitamin supplement dosing for retail and clinical applications, and specialized nutritional product packaging requiring contamination control and traceability. The dual weighing system provides documented accuracy for regulatory compliance, while the integrated laser coding enables lot tracking and expiration date marking for pharmaceutical supply chain management. The sealed construction with separated work and control areas prevents cross-contamination between product batches, supporting allergen control protocols and cleaning validation in facilities producing multiple formulations. The complete automation with multi-point detection ensures consistent quality and reduces human error in pharmaceutical production environments requiring validated processes and batch documentation.

Food Grade Packaging: Coffee Creamer and Beverage Powder Canning for Consumer Products

Food manufacturers employ this powder canning line for coffee creamer packaging in retail cans and foodservice containers, beverage powder dosing for instant drink mixes and nutritional beverages, and specialty food powder canning for culinary applications and ingredient supply. The system handles fine powders with varying flowability characteristics including spray-dried coffee creamer, agglomerated beverage powders, and specialty culinary ingredients, maintaining consistent filling accuracy across different powder properties. The dust extraction system captures airborne particles during filling of fine powders, maintaining clean production conditions and protecting operator health. The universal design enables quick changeover between different product formats and can sizes, supporting efficient production in facilities serving multiple market segments from retail consumer products to foodservice and industrial ingredient supply.

Contract Packaging: Multi-Product Powder Canning for Brand Owners and Distributors

Contract packaging facilities utilize this versatile twin-head filling production line for multi-product powder canning serving various brand owners, private label production for retail chains and distributors, and specialized powder packaging for niche market applications. The quick changeover capability between different can formats and filling weights enables efficient short-run production for emerging brands and seasonal products, while the high accuracy and complete automation maintain consistent quality across diverse product portfolios. The modular construction facilitates integration with existing production equipment, and the PLC control with recipe storage enables rapid product changeovers with minimal setup time. This flexibility supports contract manufacturers serving infant formula brands, sports nutrition companies, specialty food producers, and pharmaceutical clients requiring validated processes and comprehensive documentation for regulatory compliance.

Customization and Optional Modules

• Can size changeover tooling for different container formats (307#, 401#, 502#, 300#, custom sizes)
• Enhanced nitrogen vacuum sealer with advanced residual oxygen monitoring
• Automatic can sterilization with UV or chemical sanitization options
• Advanced laser coding system with 2D barcode and serialization capabilities
• Upgraded dust extraction with HEPA filtration for pharmaceutical applications
• Automatic lid pressing with torque monitoring for seal integrity verification
• Integration interfaces for upstream powder processing and downstream palletizing
• Custom material options including full stainless steel construction for corrosive environments
• Enhanced PLC control with data logging and production reporting for Industry 4.0 integration

Delivery and Support

Each Milk Powder Weighing Production Line is delivered with comprehensive factory acceptance testing (FAT) to validate performance specifications before shipment. On-site installation and commissioning services ensure proper integration with existing production equipment and facility utilities. Operator training programs cover equipment operation, routine maintenance procedures, troubleshooting techniques, and safety protocols to maximize production efficiency and equipment longevity.

Technical support includes comprehensive documentation with electrical schematics, pneumatic diagrams, PLC programming details, and maintenance schedules. Spare parts availability is maintained through regional distribution centers to minimize downtime, with critical wear components identified for preventive replacement. Quality assurance is backed by validation protocols suitable for FDA, EU GMP, and NMPA compliance requirements, including installation qualification (IQ), operational qualification (OQ), and performance qualification (PQ) documentation for pharmaceutical and infant formula applications.

Warranty coverage provides protection against manufacturing defects and ensures long-term reliability in demanding production environments. Ongoing technical support is available through remote diagnostics, on-site service visits, and equipment upgrades to maintain optimal performance as production requirements evolve. Our commitment to customer success extends beyond equipment delivery to support your infant formula line, nutritional powder packaging, and dairy production operations throughout the equipment lifecycle.

Technical Specifications