CBS Product Brochure.
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The Cross-Belt Sampler (CBS):
The Cross Belt Sampler from M&W Jawo Sampling can also be known as a Hammer Sampler, however, traditional hammer samplers can often have trouble obtaining represantative samples. With 40 years of knowledge and design development, Mark & Wedell’s Jawo Sampling has the developed the Cross-belt sampler, that helps to improve the sampling process, and ensures valid and reliable data.
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The Cross-Belt Sampler (CBS) is designed to take an increment/cut from bulk materials being conveyed on a conveyor belt.
The CBS includes a fully enclosed housing that covers all moving parts thereby reducing spillage and increasing safety.
The sampler consists of a rotating counter-weighted sample cutter which moves in a 360-degree rotation perpendicular to the material direction. The sample cutter is driven by a gear brake motor and a guiding section is supporting the conveyor belt. The cover house is equipped with hatches allowing easy inspection, cleaning, and maintenance.
When automatically or manually triggered, the sample cutter is accelerated by the electric motor to the designated velocity. It cuts through the material stream on the conveyor belt in a circular motion, following the supported shape of the belt.
The conveyer belt is supported and guided by a pair of inclined rollers or guiding plates which ensure that the sample cutter remains in maximal contact with the belt throughout the entire cut.
Furthermore, a flexible scraper is installed to ensure collection of all “fines”. The increments are then delivered to sample containers or to optional secondary sub-systems. After leaving the cut zone, the sample cutter is slowed down to allow the collected increment to fall into the outlet chute. Internally located skirts after the cut zone close the gap to the conveyor belt to prevent spillages.
The CBS is delivered with either a local control unit or/and is controlled by a M&W central control cabinet depending on concept and local conditions. The M&W central control cabinet consist of motor control center, circuit breakers, PLC-system and man-machine interface.
The M&W central control cabinet can exchange signals with the client’s control system.
Nota Bene 1
The CBS can be calibrated with respect to the client’s material(s) and local sampling conditions. M&W offers clients a facility for quantitative tests assessing the performance of the sampler on the client’s own material(s), following one or several types of tests, the Replication Experiment test, or variographic characterisation of process sampling performance.
Nota Bene 2
Many generic cross-belt samplers such as a standard Hammer Sampler have difficulties obtaining representive samples due to non-optimal designs. The M&W Cross-belt sampler design evolving during 40 years of design development in combination with its guided rollers and scrapers makes it a state-of-the-art cross-belt sampler.