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Probably the most multipurpose type is the Industry Food Metal Detector, where the material is gravity fed through the inlet of the detector. Metallic particles are detected and immediately rejected by an air-operated rejection system. Adjustable sensitivity in conjunction with short rejection time ensures minimal loss of good product.

Free-fall units can be purchased in single-coil or balanced-coil designs and with either analog or digital electronics. Free-fall units can vary in aperture size from 25 to 300 mm (1 to 12 in.). Some types have a quick-clean rejection system that facilitates cleaning of the reject system.

Metal detectors for pneumatically conveyed materials take the type of a collar around the conveying line. Again, these detectors can be found in single- or balanced-coil design with analog or digital electronics. Positive speed control is available on some models to precisely time the reject-gate closing and opening in order to minimize losing good material.

Metal detectors for mechanical conveyors take the shape of a tunnel surrounding the conveyor. This method could be coupled with a number of customized rejection choices for loose or packaged materials. Metal detectors for films and thin sheets use coils which are extremely sensitive at close range. They fit directly under the web and require almost no space.

Separators for plug-flow applications are similar in operating principle to a free-fall detector. However, the plug-flow design detects metals in slow-moving or standing columns. A normal application is mounting the system beneath the hopper and simply higher than the throat from the processing machine. At Bunting Magnetics, we refer to this the “Last Chance Separator” or LCS. The LCS is made to aid batch feeders, blenders, and other processing equipment weighing approximately 250 lb. Equipment is bolted right to the infeed from the LCS.

Give a magnet – Place a drawer, grate, hump, liquid-trap, or some other magnetic separation unit upstream to work with your detector. Magnetic separators will pull all ferrous metal out before it reaches the detector. This may lighten the burden of contaminants that move through the detector, increasing its efficiency while minimizing the probability of rejecting good material. In addition, usage of an upstream magnet allows you to adjust the detector’s sensitivity to your higher level to trap only non-ferrous contaminants.

The detection system is made up of a pulse/echo transducer, a water jet nozzle and an x-y table. Foreign bodies like glass, Deep Earth Metal Detector were detected by scanning the flat bottom in the beverage container. Based on acoustic modeling, a technique for detection and identification of foreign bodies is developed and tested. A transmission processing algorithm for time-frequency analysis can be used to discriminate between beverage and contaminants from ultrasound echoes. Effective detection ability for materials such as glass, metals, and plastic, with sizes from 10 to 2.5 mm2 is demonstrated. Experiments were also performed using ultrasonic beam penetrating glass material to detect steel balls of different sizes. This really is even closer to the case of real foreign body when it comes to orthogonality and cross-section to ultrasound beam.

Detection of metallic and non-metallic objects – Sometimes you simply need to know what is hidden behind a surface. For example behind a wall or cover, or what is inside in a storage container or shipping container. Capacitive proximity sensors are best for level and feed monitoring. From solid material, such as paper or wood, to granules or liquids, they reliably detect the status of the product throughout the production process and final inspection. Can there be something behind that cover? Is the filled package really full?

Just how much paint remains left within the tank? For capacitive proximity sensors, these are easy inquiries to answer. Capacitive proximity sensors from SICK are never far from the action. Sensing ranges between 1 and 25 mm allow them to be used in almost all installation situations, making them extremely adaptable for an array of applications. These sensors pbgavn also remarkably resistant to faults. Impurities, contamination, dust, and airborne spray particles have little influence on them, nor does electromagnetic interference. No surprise they may be installed in a great deal of industries, including food, automotive, or perhaps in storage and conveyor systems.

Reliable, powerful, rugged. Inductive proximity sensors from SICK – An incredible number of inductive proximity sensors are presently in use in virtually all industries. They Food X-Ray Scanning Equipment without contact, and they are characterized by an extended service life and extreme ruggedness. With all the latest ASIC technology, SICK’s sensors provide the ultimate in precision and reliability. SICK can provide the correct answer to meet your preferences each time – from cylindrical or rectangular standard sensors with single, double or triple operating distance, to special sensors for explosive zones and harsh environments. Our sensors are definitely the intelligent, reliable way to implementing industry-specific and customized answers to any task involving automation.

Junhong Electronic&Technology (Dongguan) Co., Ltd is a professional manufacturer since 2005, specialized in R&D of security detection technology. We have various of products range: Walk through metal detectors, hand held metal detectors, X-ray luggage scanners, X-Ray Body Scanner, Underground Metal Detector, Industrial Metal Detector, Checkweigher, Infrared Body Temperature Detection System; Explosives Detector, Under Vehicle Surveillance Systems; etc.

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