Sand preparation

Siapro has developed a flexible sand preparation concept that enables integration of any type of mixer or cooler according to customer-specific requirements — representing a key competitive advantage.

We provide a comprehensive approach that includes:

• project and workshop documentation,
• technical support in process definition,
• analysis and optimization of the sand system.

Our goal is to ensure stable sand quality, low operating costs and full adaptation to the specific requirements of your foundry.

We offer advanced mixers for:

• bentonite-based mixtures,,
• chemically bonded sands,,
• small, medium and large foundry systems..

Batch or continuous models are available, equipped with precise dosing systems for chemical additives.

Key mixer features

• high mixing performance and repeatability,
• energy efficiency,
• robust industrial design,
• flexible tools and configurations,
• low maintenance costs.

Models for large systems

For foundries with high casting volumes and fast moulding lines, we offer high-performance mixers designed for:

• intensive mixing,
• minimal component wear,
• low energy consumption,
• maximum possible service intervals.

Sand regeneration enables a significant reduction in material consumption and improves casting quality.

Key benefits of regeneration

• up to 40% savings in bentonite sand consumption,
• up to 80% savings in chemically bonded sand,
• more than 60% of casting defects originate from sand — regeneration significantly reduces defect rates,
• up to 82% reduction of waste sand, providing a major environmental benefit.

Regenerated sand is often equal to or better than new sand, making regeneration one of the most profitable investments in foundry operations.

In cooperation with Lauds Foundry Equipment GmbH (since 2021), we manufacture advanced equipment for preparation and regeneration of coated sands in Slovenia.

We offer systems with capacities from 3 t/h to 50 t/h, including:

• continuous mixers,
• shake-out grids,
• conveying systems,
• additional equipment for full integration.

Equipment advantages

1. modern, modular design,
2. easy installation and serviceability,
3. solutions for various casting sizes and weights,
4. online process monitoring,,
5. guaranteed spare parts and service support,
6. compliance with CE standards.

Our systems include advanced measurement and control solutions.

Automatic control enables

• weighing and precise sand dosing,
• dosing of additives and binders,
• sand moisture measurement,
• sand and ambient temperature measurement,
• automatic parameter adjustment for optimal mixture quality.

Installation and commissioning

We provide:

• complete system installation,
• parameter setup,
• supervised trial operation,
• process optimization for maximum stability.

SIAPRO d.o.o.
Station 9
5216 BRIDGE ON THE SOCHI
Slovenia

📧 info@siapro.si

☎️ +386 5 3841 632