Cross Stream Cutter

The Cross Stream Cutter (CSC) is specially designed to extract a representative increment/cut by discharging a complete cross section of the free-falling bulk material in an outlet chute. As a Theory of Sampling (TOS)-compliant device, this ensures that the sample accurately reflects the composition of the entire material stream, eliminating bias caused by particle segregation or flow variations, which is the fundamental first step towards accurate process control and reliable final product certification. The CSC operates automatically and reliably, integrating seamlessly into existing and future conveyor systems. Its robust construction, precision-engineered blade, and fully enclosed housing to prevent cross-contamination allow for consistent performance. It is an ideal solution for demanding industrial environments such as mining, power plants, and bulk material processing facilities, especially where space constraints are a critical issue, without compromising on sampling accuracy.

Similar products include the Cross Belt Sampling Systems, which use a rotating sample cutter moving perpendicular to the material flow above a conveyor belt to collect representative samples. These systems are known for their cost-effectiveness, ease of installation, and adaptability to various industrial applications.

For applications with different spatial or material requirements, another comparable primary sampling solution is AUTONOMA’s own Cross Stream Sampler (CSS). The CSS is also TOS-compliant and engineered to extract a fully representative increment from a free-falling stream at a transfer chute or discharge point. To meet diverse operational demands, it is available in two variants: the heavy-duty, chain-driven CSS-C for exceptional reliability with most materials, and the wire-driven CSS-W. The CSS-W is the preferred solution for environments with high concentrations of dust or fine particulates, ensuring smooth operation with materials like biomass or limestone powder.

The Cross Stream Cutter is:

• • Theory of Sampling (TOS)-compliant, which is the key to high-quality, reliable sampling results. This design guarantees that every particle in the material stream has an equal and constant probability of being included in the extracted increment, eliminating sampling bias.

• Fully enclosed in a robust cover housing to prevent cross-contamination between successive increments. This critical feature ensures the purity and integrity of each sample, which is vital for accurate downstream analysis.
• Specifically designed to occupy less space compared to the Cross Stream Sampler (CSS), making it the ideal solution for installations where space constraint is a critical issue.
• Engineered with fewer moving parts compared to other primary samplers, which directly translates to higher operational reliability, reduced maintenance requirements, and a lower total cost of ownership over the system’s lifespan.
• Thanks to a fully scalable design, the CSC can be precisely configured to cope with small as well as high-volume streams from high-capacity Bulk Material Handling Systems (BMHS).
• Built to be well-suited for harsh industrial environments and rough materials, delivering consistent and dependable performance as commonly seen in the demanding Australian mining industry.

The CSC consists of a cutter oriented parallel to the moving stream surface. The cutter is attached to a double rail carriage, located above the material flow. The motor control ensures that the cutter operates at a constant speed of up to 0.6 m/s when cutting through the falling material stream. Each time the cutter moves through the stream, from left to right or right to left, an increment is continuously discharged to the outlet chute.