Application:

The central strainer cheek is a component of a frame of the upper sieve with 3D system, and is established on the middle.

Structure:

It represents a long design of a box-shaped form on which elements for fixture of other details of a frame 3D are established. The strainer cheek  3D frame to cross profiles of the upper sieve fastens. As the cheek works in the conditions of high vibrations, cheek belongs to spare parts requiring constant surveillance and rather frequent replacement.