The type of all metal detector
Our common food needle checking machine is generally referred to as metal detector. In fact, if it is subdivided, it will also be divided into all metal detector, iron metal detector and aluminum foil detector. According to the function of products, it can be divided into channel conveyance type, drop type, pipeline type, flat type and split type. Here's a detailed introduction to the specific effects of various models.
Classification: metal detection instrument
1. functions are divided:
1). All metal detector (balanced coil): can detect iron, stainless steel, copper, aluminum and other metal. The detection accuracy and sensitivity are high, stable and reliable, and can not be over aluminum film. (QD\QF)
2). Iron metal detector (permanent magnet): can only detect ferrous metal, commonly known as the needle machine. The detection precision and sensitivity are low, easy to interfere, and can be packed in aluminum film. (F02)
3) . Aluminum foil: iron metal can only be detected, but the detection precision and sensitivity of the products packed with aluminum foil are still high.
2. according to their specific purposes:
1) channel delivery: it is mainly used to detect products with relatively small volume and small bags, and 3 industrial products are installed in the box, which can connect production lines and achieve linkage.
2) Down type: it is mainly used to detect powdery, small granular granular products. It is mainly used in plastic material, rubber and liquid material.
3). Pipe type: it is mainly used to detect the liquid material of the paste and flow, the pipeline of the sealed pipe. It is convenient to detect and eliminate the metal impurities in the pipe, which is mainly used for the detection of tablets, capsules and granules (plastic particles) and powder like articles.
4) . Flat type: usually used to test sheet, filamentous test thickness is relatively thin, but the width and length of a relatively large product, such as textile fabric, cardboard. The primary purpose is to protect the downstream equipment, such as cutting tools, and to improve the quality of the products. It is easy to install and can be installed horizontally, vertically and slanted, and can be installed almost anywhere in the production process.
5) . Split type: metal detector is mainly the upper and lower two parts can be separated, convenient for customers to install and use. But one problem is that the detector needs to be reassembled after the separation, and the reassembly of the conventional split needs to adjust the balance of the magnetic field.
6) at present, the most common metal detection equipment in the market is channel delivery. The channel of the probe is square, generally equipped with conveyor belt mechanism, with automatic rejection device or alarm signal. When the articles on the conveyer belt pass through the probe, once the metal is contained, the conveyer will be automatically removed or stopped. It mainly aims at on-line inspection of finished products and semi-finished products, and provides final inspection before shipment. For example: bag material, box products and so on.
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