What are the parts of a countersunk magnetic disc?
What are the parts of a countersunk magnetic disc? |
||||
 |
||||
Magnetic poles on a countersunk magnetic disc |
||||
 |
The magnetic poles of a countersunk magnetic disc can be magnetised in two ways; axially and diametrically. The two varieties of magnetisation allow disc magnets to be used for a greater range of uses.
An axially magnetised disc magnet is magnetised through the length of the magnet, whereas a diametrically magnetised magnet is magnetised through the diameter. The most common form available is axially magnetised. |
|||
 |
On some countersunk magnetic discs the north pole is indicated by a dimple. | |||
Countersunk hole on a countersunk magnetic disc |
||||
 |
A countersunk hole has a flat top on one magnetic face which tapers towards the other, in the shape of a cone.
A countersunk hole allows the magnet to be attached to a surface with a countersunk screw. This keeps the surface flat, as the screw, due to the countersunk hole, is allowed to sit level with the countersunk magnetic disc. |
|||
Countersunk magnetic disc keeper |
||||
 |
The steel keeper on a countersunk magnetic disc must be removed before use to allow the magnet to work to its full potential. The keeper is a soft piece of iron temporarily added between the two countersunk magnetic discs to prevent them from demagnetising. | |||
