Ten Frequently Asked Questions about metal detector
1. What is the metal detector, how it works is like?
Metal detectors are used to detect metal impurities instruments. Typically, a metal detector is composed of a transmitter and receiving sensors, and when the metal by the electromagnetic field generated by the transmitter, when accepting the signal received on the sensor will vary. Metal detector electronic components, "see" these changes and to "judge" This
Whether variations caused by metal. If you find a metal, perform the appropriate alarm or exclude actions.
2, the metal detector on what you have?
The use of metal detectors are usually two reasons.
(1) to protect your valuable equipment or critical equipment
(2) to ensure that your product perfect
If there is a piece of metal debris mixed mysteriously as your milling machine, slicing machine, milling machine or cutting machines and other equipment, will inevitably cause damage to your device. You are not only a waste of time and gold production maintenance of your equipment, and metal debris may become smaller, so it's hard to find. For you, keep your perfect product quality is more important. If you found some metal impurities in your final product, it would be possible to destroy your company's image and reputation.
3, metal detectors should be installed in any place?
If you are using metal detectors purpose is to protect your equipment, you should be metal detectors installed in the equipment to be protected from the entrance to a place as close as possible, but allow enough space, making the metal detector in the detection to the metal when the metal prior to entering the device can be stopped.
If you are using metal detectors are used to check your final product, then the machine should be installed to detect the end of the production line as possible. Thus, in theory, to avoid the packaging may be mixed with a metal.
If the packaging itself contains metal or final packaging is too large to get good detection sensitivity, then, it is necessary to install a metal detector before the packaging machine.
4, how to choose a suitable metal detector?
Now the metal detector on the sensitivity, reliability and accuracy are trustworthy. The key is for you to be applied. Just make sure that the size of the probe to ensure that you are able to detect the product in all directions through the installation location of the probe is also just right. Then, choose you can trust to provide technical support for your manufacturer.
5. What is the product effect?
In fact, all of the products, when they passed the detection region of the electromagnetic field, that they will produce a certain type
Signal. Factors that affect product effect signals are: moisture content, fat content, temperature, acidity, salinity, direction and volume. Product effect is usually small products can get a higher detection sensitivity. Metal detector for the product effect of suppressing function can also be used to increase the detection sensitivity for the metal, this aspect of digital metal detector has incomparable superiority.
6. What is the sensitivity?
Metal detector sensitivity is defined as the center of the probe can detect the smallest of metal ball diameter. Sensitivity has also been divided into "maximum sensitivity" and "with the product detection sensitivity." The maximum sensitivity refers to the highest sensitivity metal detector at the theoretical bar. Detection sensitivity with the product was the maximum sensitivity in the practical applications, the probe in the product metal. Commodities are usually worn with a detection sensitivity of more practical significance.
7. What factors will affect the sensitivity?
Metal detector sensitivity by a number of factors: product effect, size and shape of metal impurities, size and orientation of the probe, and the operating environment.
8, what are the different types of metal?
Ferrous metals is a good guide magnetic metal. Such as carbon steel and iron, he is the most easily detectable. Non-ferrous metals are also non-magnetic metal. Such as: copper, lead, yellow steel, bronze, etc., are also more likely to be detected. Non-magnetic stainless steel type, such as 302, 304 and 316 are the most difficult to detect metal. Typically, a metal detector can detect non-magnetic stainless steel type is 1.5-2 times the diameter of the least able to detect iron diameter.
9, after the detection of metallic how to do?
Many metal detectors are equipped with automatic exclusion devices, when the metal can be detected automatically contain metallic impurities removed from the production line of products. This can help collect and test these metal impurities are from. Small pieces of metal debris shedding is a precursor to a big problem. If you do not automatically exclude devices should manually products containing metal impurities take away. Also find the source of the metal, and analyze the reasons.
10, metal detectors to meet HACCP standards?
Metallic foreign body detection is HACCP critical control points. Metal detector to ensure that your products do not contain the best instrument metal impurities. Low price, easy to operate, safe, clean, and reliable. The main objective is to develop a HACCP as a reasonable production process for your line. Find out where your production lines could easily mixed with impurities, and make sure you provide a product free of impurities methods. The main part of any HACCP plan is that these testing procedures.