Automatic Weighing and Feeding for Rubber Cable Compound Preparation

The compound mixtures used in the production of rubber-insulated cables require the elastomer base, carbon black, mineral fillers, process oils, and chemical additives to be prepared in specific ratios. Feeding these components into Banbury-type internal mixers in the correct order and in the correct quantity is critically important for mixture quality and process efficiency. VOLDE Banbury Kneader Feeding Systems cover the raw material preparation infrastructure spanning from the storage of solid and liquid raw materials to their automatic weighing and controlled charging into the mixer.

| Automatic Filling and Transfer into Banbury Mixers

For Banbury kneaders to operate efficiently, raw materials must be loaded into the mixer in the specified order and within a short period. Manual feeding methods can lead to both time loss and recipe deviations. VOLDE designs transfer and loading systems that convey the weighed materials onto the mixer and charge them automatically.

• Material transfer from weighing points onto the mixer
• Conveyor, pneumatic, or lifting systems
• Automatic charge doors and feed bins
• Control infrastructure suitable for batch-based production
• Central feeding solutions for multiple mixers

| Precision Weighing Systems for Elastomer, Filler, and Additives

Rubber compound recipes require a large number of components to be dosed within tight tolerances. Since elastomer bales, carbon black, mineral fillers, and chemical additives each have different physical properties, a one-size-fits-all feeding approach is not sufficient. VOLDE systems bring together weighing and feeding methods suited to each material group, ensuring the recipe is applied correctly.

• Feeding solutions for elastomer bales or blocks
• Enclosed dosing for carbon black and mineral fillers
• Precision weighing units for chemical additives
• Recipe-based automatic weighing control
• Guidance systems that reduce operator errors

| Enclosed, ATEX-Compliant Systems for Carbon Black and Fine Powders

Carbon black and fine mineral powders require special safety measures due to their high tendency to generate dust and the risk of forming an explosive atmosphere. Conveying these materials in open environments is not suitable from either an occupational safety or an environmental cleanliness standpoint. VOLDE systems design the entire process — from powder storage to dosing — as a closed loop, in compliance with ATEX requirements.

• Carbon black silos and discharge systems
• Equipment selection compliant with ATEX zone classification
• Explosion vent and isolation solutions
• Enclosed transfer lines
• Central dust collection and filtration systems

| Efficient Batch Times and Repeatable Mixture Quality

Banbury-based production generally operates on a batch principle, and each batch is expected to deliver the same quality. Feeding raw materials with correct timing, maintaining mixer fill rate, and shortening batch times are all decisive factors for production efficiency. VOLDE systems automate material preparation and feeding processes, both increasing production speed and helping mixture quality remain consistent from batch to batch.

• Fast feeding infrastructure that shortens batch time
• Dosing suited to mixer capacity
• Automation that preserves recipe accuracy
• System design compatible with the production plan
• Low operator dependency and ease of operation