At the Novokramatorsk Machine-Building Plant (NKMZ), the issuance of documentation for the modernized cone crusher with hydraulic slot adjustment, model KKD1500x180 GRSCH-M, for the Poltava GOK has been completed.
It is currently under construction. As a result of the improved design of the crusher, its capacity will increase to 5.5 thousand tons per hour, which is 55% higher than that of the previously used crusher.
In a cone crusher, material is crushed by compressing it between two armor profiles. One profile is set by the armor of the cone, the other by the crushing bowl. During their gyratory motion (complex rotation in several planes), the material is ground under constant compression.
Novokramatorsk already produced cone crushers of this standard size, only of standard performance. Last year, such a crusher was manufactured and delivered to the Ingulets GOK, and today it is being installed at the customer's site.
The peculiarity of the new modernized crusher is that, at the request of the customer, it will be installed instead of the worn out and dismantled predecessor on the existing foundations.
While maintaining the overall dimensions of the new crusher, its higher productivity will be ensured due to the improvement of the design of the units that crush the material, as well as the increase in the drive power. So, the profile of the armor, the profile of the crushing chamber and the main nodes on which the armor rests have been changed. The cone rocking frequency has become higher.