ACTA 4-screw crusher with hopper and control cabinet delivered to a customer in the building material industry.
See anouther example of a 4-screw ACTA crusher here
The ACTA 4‑screw crusher is engineered to handle challenging materials within the building materials sector, recycling industry, and various heavy‑duty processing environments. It is known for its robust construction and consistent performance. The 4‑screw crusher ensures efficient size reduction of materials such as:
Its design supports continuous operation, making it an ideal solution for companies seeking to optimize material handling and improve downstream processing.
One of the standout features of the ACTA 4‑screw crusher is its reverse hopper, allowing material loading from the outlet side. This configuration improves workflow flexibility and enables integration into existing production lines. The hopper design ensures smooth feeding, reduces bridging, and supports stable throughput even with irregular or lightweight materials.
The crusher is equipped with nine rotating finger knives and one replaceable fixed knife, delivering a powerful cutting action that breaks down materials efficiently. This combination ensures a uniform output size, reduces wear on downstream equipment, and maintains long‑term operational reliability. The cutting system is designed for easy maintenance, allowing quick knife replacement to minimize downtime.
Built for industrial environments, the ACTA 4‑screw crusher features a robust gear and motor setup that ensures stable torque and dependable performance under heavy loads. The integrated full control cabinet provides operators with precise control over speed, direction, and safety functions, enabling seamless operation and quick adjustments during production.
ACTA crushers are known for their adaptability, and the 4‑screw model is no exception. Units can be delivered in customer‑defined colors, with optional hoppers, extended frames, or integration with screw conveyors, bale openers, or dosing systems. Related ACTA solutions—such as 2‑screw crushers, 6‑screw crushers, and specialized versions for gypsum or insulation—demonstrate the system’s versatility across industries .
Whether used for recycling, waste reduction, or preparation of raw materials, the ACTA 4‑screw crusher provides a reliable, energy‑efficient, and customizable solution. Its combination of strong mechanical design, intelligent control, and flexible configuration makes it a preferred choice for companies aiming to streamline material processing and reduce operational costs.
The ACTA 4‑screw crusher is designed for efficient size reduction of challenging materials used in the building materials and recycling industries. It handles gypsum, insulation, mineral wool, and other bulky or compacted waste streams with ease. Its robust construction and powerful cutting system ensure consistent performance even under demanding conditions.
The crusher is equipped with a reverse hopper that allows loading from the outlet side. This design provides greater flexibility when integrating the machine into existing production lines. It also ensures smoother feeding, minimizes bridging, and maintains stable throughput—especially when processing irregular or lightweight materials.
The ACTA 4‑screw crusher features nine rotating finger knives and one replaceable fixed knife. This combination delivers strong cutting action and a uniform output size. The knives are designed for quick replacement, reducing downtime and simplifying maintenance. The durable setup also helps protect downstream equipment by ensuring consistent material preparation.
Yes. The crusher can be delivered in customer‑defined colors and configured with optional hoppers, extended frames, or integration with screw conveyors, bale openers, or dosing systems. This flexibility makes it easy to adapt the machine to different workflows and industry requirements. Related ACTA solutions—such as 2‑screw and 6‑screw crushers—offer additional customization options.
| House | Bin |
|---|---|
| Industry | Construction, gypsum and building material, Waste and recycling technology |
| Surface treatment | Carbon steel – painted |
| Transported material | Gypsum |
| Product type | ACTA crusher |






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Bredholm 3
6100 Haderslev
Denmark
CVR: 15525991
Contact
Phone: +45 74 52 16 21
E-mail: info@bema.as