Food metal detectors are used to remove magnetic or non-magnetic metal impurities (steel, stainless steel, aluminum, etc.) from pumped liquid or paste products. On-line inspection, after the metal is detected, the reject valve will reject the contaminated material into the waste container with high sensitivity. The food metal detector is equipped with an automatic product identification function and has a strong ability to suppress product effects. The quick release clip can be easily integrated into existing piping systems.
In the event of a failure during use, most of the food metal detectors can solve the problem on their own, but usually there are several types of "failures" as described below.
Dirt on the conveyor belt of the food metal detector causes the machine to malfunction: the indicator light on the starter probe flashes erraticly, or the conveyor belt runs to a specific position and the alarm goes backwards, or put a piece of clothing without any metal will be found sometimes Passage, sometimes can not appear through the appearance of the food metal detector channel failure.
Cause: The conveyor belt is thoroughly cleaned every week. Conveyor belts often need to be cleaned regularly because they often have to be placed on the surface of the conveyor belt, or they can get a lot of dust and are relatively dirty. In particular, remember that the back of the conveyor belt must also be clean. Many people usually only know the upper surface of the conveyor belt, ignoring the cleaning of the back surface. During daily use, the equipment may adhere to dirt containing trace amounts of iron. If such dirt is accumulated for a long time, even if there is no metal in the detection process of the food metal detector, it will react to the dirt on the conveyor belt and cause the machine to break down.
Remedy: Wipe with a clean towel and wring dry water to wipe the upper surface of the conveyor belt and pass it to the back for wiping until the probe light does not flash again after power on.
In fact, the thickness of the product is generally about 7 mm even if it is thin. It can be said that the photoelectric sensor can sense all the products that should be detected by the food metal detector. However, even if the conveyor belt is stained with iron powder, the conveyor belt is not Stop (When the machine is set to finished mode c, the thickness of the product should be more than 1.5 cm, otherwise it may cause the sensor leakage induction, the so-called light leakage phenomenon).
If the machine detects that the conveyor is dirty, the needle position detection indicator on the mechanical operation panel will light. When the conveyor belt rotates, the iron powder on the conveyor belt will be fixed in the corresponding position on the conveyor belt. When the detecting sensor lights to detect the metal, we can eliminate the fault by simply cleaning the corresponding position of the conveyor belt.
Misoperation caused by external noise We will place the product under inspection on the food metal detector conveyor belt. If the product moves to the proximity of the needle detector sensor and enters the noise that disturbs the magnetic field of the needle detector sensor from the outside, the machine will stop transmitting the detection product and Ringing display.
The “external noise†can be as follows: electromagnetic clutch motors in the workshop, sewing machines, cutting machines, packaging machines, large transformers, decontamination spray guns, motors for the entire ironing table, elevators, large fans, railways outside the workshop, or transformers, Welding machine, high voltage line and so on. In addition, when operators use food metal detectors, they cannot carry metallic materials such as mobile phones, keys, and watches. These items may cause false alarms in food metal detectors. In addition, when working with food metal detectors, avoid passing clothes hangers made of metal.
It is worth noting that when there is a large fan in the upper part of the food metal detector, the food metal detector must be turned off during operation.
If the source of noise in the workshop cannot be determined, for example, when the power of the food metal detector is turned on and the operation switch is turned off, if the monitor lights up red, it can be judged that it is affected by external noise; at night or in the workshop all the power When both are turned off, only the power of the needle detector is turned on. If there is no noise, it can be determined that there are other problems in the workshop. Then, in the same state, one by one starts the mechanical equipment that may have an impact, and the cause of the fault can be ascertained.
In the event of a failure during use, most of the food metal detectors can solve the problem on their own, but usually there are several types of "failures" as described below.
Dirt on the conveyor belt of the food metal detector causes the machine to malfunction: the indicator light on the starter probe flashes erraticly, or the conveyor belt runs to a specific position and the alarm goes backwards, or put a piece of clothing without any metal will be found sometimes Passage, sometimes can not appear through the appearance of the food metal detector channel failure.
Cause: The conveyor belt is thoroughly cleaned every week. Conveyor belts often need to be cleaned regularly because they often have to be placed on the surface of the conveyor belt, or they can get a lot of dust and are relatively dirty. In particular, remember that the back of the conveyor belt must also be clean. Many people usually only know the upper surface of the conveyor belt, ignoring the cleaning of the back surface. During daily use, the equipment may adhere to dirt containing trace amounts of iron. If such dirt is accumulated for a long time, even if there is no metal in the detection process of the food metal detector, it will react to the dirt on the conveyor belt and cause the machine to break down.
Remedy: Wipe with a clean towel and wring dry water to wipe the upper surface of the conveyor belt and pass it to the back for wiping until the probe light does not flash again after power on.
In fact, the thickness of the product is generally about 7 mm even if it is thin. It can be said that the photoelectric sensor can sense all the products that should be detected by the food metal detector. However, even if the conveyor belt is stained with iron powder, the conveyor belt is not Stop (When the machine is set to finished mode c, the thickness of the product should be more than 1.5 cm, otherwise it may cause the sensor leakage induction, the so-called light leakage phenomenon).
If the machine detects that the conveyor is dirty, the needle position detection indicator on the mechanical operation panel will light. When the conveyor belt rotates, the iron powder on the conveyor belt will be fixed in the corresponding position on the conveyor belt. When the detecting sensor lights to detect the metal, we can eliminate the fault by simply cleaning the corresponding position of the conveyor belt.
Misoperation caused by external noise We will place the product under inspection on the food metal detector conveyor belt. If the product moves to the proximity of the needle detector sensor and enters the noise that disturbs the magnetic field of the needle detector sensor from the outside, the machine will stop transmitting the detection product and Ringing display.
The “external noise†can be as follows: electromagnetic clutch motors in the workshop, sewing machines, cutting machines, packaging machines, large transformers, decontamination spray guns, motors for the entire ironing table, elevators, large fans, railways outside the workshop, or transformers, Welding machine, high voltage line and so on. In addition, when operators use food metal detectors, they cannot carry metallic materials such as mobile phones, keys, and watches. These items may cause false alarms in food metal detectors. In addition, when working with food metal detectors, avoid passing clothes hangers made of metal.
It is worth noting that when there is a large fan in the upper part of the food metal detector, the food metal detector must be turned off during operation.
If the source of noise in the workshop cannot be determined, for example, when the power of the food metal detector is turned on and the operation switch is turned off, if the monitor lights up red, it can be judged that it is affected by external noise; at night or in the workshop all the power When both are turned off, only the power of the needle detector is turned on. If there is no noise, it can be determined that there are other problems in the workshop. Then, in the same state, one by one starts the mechanical equipment that may have an impact, and the cause of the fault can be ascertained.
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Commercial lighting is a term used to describe lighting that is used in commercial spaces, including auto dealerships, distribution centers, churches, factories, offices, and warehouses. Unlike residential lighting, commercial lighting is made to withstand more abuse and has a longer lifespan.
While the focus of residential lighting is often on aesthetics, commercial lighting is task orientated. Commercial lighting systems are designed based on what the application is. For example, in an office-type setting, you may see task lighting, which illuminates specific areas where employees need concentrated light to be able to perform their jobs.
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