Deep pot magnets with different housings and different magnetic cores
A deep pot magnet is a magnet system. The magnet is housed in a cylindrical housing, which is usually made of galvanized steel or the copper-zinc alloy brass. The magnet systems can be glued in, pressed in or shrunk in. The deep pot magnets are available in different shapes: with internal thread / with external thread / without fit tolerance
The magnetic core
The magnetic cores of the deep pot magnets consist of neodymium (NdFeB), samarium-cobalt (SmCo) or Alnico (AlNiCo), an alloy of aluminum, iron, copper, nickel and cobalt. Depending on the material used, the magnets have a different adhesive force and react differently to high temperature requirements. Neodymium magnets are extremely strong. Alnico magnets, on the other hand, have a good adhesive force, but cannot come close to neodymium pot magnets. Samarium cobalt systems lie between the other two magnet systems due to their power development. With regard to temperature resistance, the opposite is true. Alnico systems tolerate the most heat, neodymium systems the least heat generation. The magnets reach the following maximum operating temperature: NdFeB 80 ° C / SmCo 250 ° C / AlNiCo 450 ° C.
The application possibilities for deep pot magnets are very diverse: Crafts / Industry / Semiconductor Technology / Warehousing / Office / School / Research
In addition to commercial applications, the magnet systems also serve as a practical aid in the private sector for attaching or fixing objects. The deep pot magnet systems are, however, optimized for use as industrial magnets and are preferably used in mechanical engineering or tool construction.
Avoid reducing the adhesive force
When installing the deep pot magnets make sure that it is directly surrounded by iron. In this case, the adhesive force is reduced by up to 15 percent. It does not matter whether the casing is galvanized or brass. A minimum distance of several millimeters between the housing and the surrounding iron solves this problem. The specific recommended distance varies, but is usually specified by the manufacturers. The adhesive force can also decrease if the magnets are used on uneven, painted or thin surfaces.
Instructions for use
The use of strong magnetic fields can have a direct impact on electronic devices, watches, digital storage media and EC cards. To avoid data loss and damage, a safety distance of at least 1 meter is recommended. Pacemakers as well as electricity and gas meters are also affected by this problem. In order for the magnets to remain functional, they must not be sawn, filed or pierced. A fall on the floor can also have a negative effect if the magnetic cores shatter.