Views: 0 Author: Site Editor Publish Time: 2022-05-23 Origin: Site
1. What is a metal detector and how does it work?
A metal detector is an instrument used to detect metal impurities. Normally, a metal detector consists of a transmitter and a receiving sensor, which changes the signal received as the metal passes through an electromagnetic field generated by the transmitter. The electronics in the metal detector "see" this change and "judge" it
Whether the change is caused by the metal. If metal is found, perform the corresponding alarm or elimination action.
2. What does metal detection do for you?
Metal detectors are usually used for two reasons.
(1) Protect your valuable or critical equipment
(2) Make sure your product is perfect
If a piece of metal gets mixed up in your mill, slicer, mill, or cutting machine, it will inevitably cause damage to your equipment. Not only do you waste production time and gold repairing your equipment, but metal debris may become smaller, making it harder for you to find. It is more important for you to keep the quality of your products perfect. If some metal impurities are found in your final product, it can damage your company's image and reputation.
3. Where should the metal detector be installed?
If you are using a metal detector to protect your device, place the detector as close as possible to the entrance of the protected device, but leave enough space for the detector to stop before it enters the device when it detects metal.
If metal detectors are used to inspect your final product, they should be installed at the end of the production line whenever possible. In this way, in theory, the possibility of metal mixed in the packaging is avoided.
If the package itself contains metal or the final package is too large for good detection sensitivity, the metal detector should be installed in front of the packaging machine.
4. How to choose a suitable metal detector?
Today's metal detectors can be relied on for sensitivity, reliability and accuracy. The key is to make it work for you. Make sure the probe is of the right size for all directions of the product you are trying to detect
Yes, the probe head is installed in the right position. Then, choose a professional manufacturer you can trust to provide you with technical support.
5. What is product effect?
In fact, all products, when they pass through the electromagnetic field of the detection area, produce some type
The signal. Factors that influence the effect signal of a product are: moisture content, fat content, temperature, acidity, salinity, direction and volume. Usually the product with small effect can get higher detection sensitivity. The suppression function of metal detector for product effect can also be used to improve the detection sensitivity of metal. In this respect, digital metal detector has incomparable advantages.
6. What is sensitivity?
The sensitivity of a metal detector is defined as the minimum diameter of a metal ball that can be detected at the center of the probe. Sensitivity is also classified as "maximum sensitivity" and "sensitivity with product detection". Maximum sensitivity refers to the highest sensitivity of the metal detector under the theoretical bar. The detection sensitivity of the belt product refers to the highest sensitivity to detect the metal in the product in practical application. It is usually more practical to take the penetrating sensitivity.
7. What factors affect sensitivity?
The sensitivity of a metal detector depends on many factors: the product effect, the shape, size and direction of metal impurities, the size of the probe, and the environment in which it is operated.
8. What are the different kinds of metals?
Iron is a good guide magnetic metal. Carbon steel and iron, for example, are the easiest to detect. Non-ferrous metals are also non-magnetic metals. Such as: copper, lead, yellow steel, bronze, etc., are also relatively easy to detect. Non-magnetic stainless steels such as 302, 304 and 316 are the most difficult metals to detect. In general, a metal detector can detect at least 1.5 to 2 times the diameter of non-magnetic stainless steel that can detect iron.
9. What should I do after detecting metal?
Many metal detectors are equipped with automatic removal devices that automatically remove products containing metal impurities from the production line when detected. This helps collect and verify where the metal impurities are coming from. The peeling off of small metal chips is a harbinger of bigger problems. If there is no automatic removal device, products containing metal impurities should be removed by hand. Also find the source of the metal and analyze the cause.
How to match metal detector with HACCP standard?
Metal foreign body detection is the key control point of HACCP. Metal detector is the ideal instrument to ensure that your products do not contain metal impurities. Low price, easy to operate, safe, pollution-free, reliable. The main purpose of HACCP is to develop a production process for your assembly line as reasonable as possible. Identify areas of your production line that may be prone to impurities and provide a way to make sure your product is free of them. These inspection procedures are an essential part of any HACCP program.
