metso mx cone crusher

• What's the head assembly?

  Nov 26, 2025

  The head assembly is the central moving component of a cone crusher. Its core components include the Head, the Head Ball, the Upper Head Bushing, the Lower Head Bushing, and the T-Seal. The material of upper and lower head bushing is bronze, it's protect the the wearing of main shaft.     Primary Functions:   1.  Gyratory Motion: Driven by the eccentric mechanism, the entire head assembly generates a precise gyratory motion. This creates the crushing action necessary to process feed material.   2.  Material Comminution: As the mantle attached to the head moves close to the stationary bowl liner, the rock is subjected to multiple cycles of compression, impact, and breakage within the crushing chamber. This repeated process efficiently reduces the material to the desired size.   3.  Material Discharge: When the head moves away from the bowl liner, the gap increases, allowing the crushed product to gravitate downward and discharge from the bottom of the chamber, continuing its path through the circuit.   What's parts included in the head assembly? Eg: HP400 ONA-7090058015     Pos. Part Number Description Quantity Weight. KG 1 7082404311 HEAD 1 1686 2 1057605158 HEAD BALL 1 80 3 1013340733 STRAP 1 1.4 4 1022147349 HEAD BUSHING, UPPER 1 28 5 1022147350 HEAD BUSHING, LOWER 1 56 6 1063518832 T-SEAL 1 2 7 N80500504 SUPPORT 4 0.5 8 1047098035 KEY BAR 4 1.2 9 7001634020 WASHER, SPRING 1 0.04 10 N01619356 PIN 3 0.3 11 7008010002 THREADLOCKER, HARD 1 0.32 12 7001530420 SCREW, HEXAGONAL 1 0.2 13 N01530104 SCREW, HEXAGONAL 8 0.01 14 1003063291 NUT-LOCK 8 0.1 15 7008010102 GLUE 1 0.38 16 7008010103 ACTIVATOR 1 0.16 17 7001532140 SCREW, HEXAGONAL 8 0.02 18 7001631110 WASHER 8 0.005   How to assemble the head assembly?   Which models do you have? Metso hp 100, HP200, HP300, HP400, HP500, HP700, HP800 crusher, HP900, HP3, HP4, HP5, HP6, Nordberg MP800, Nordberg MP1000, MP1250   All names, marks, models, symbols and descriptions are used for reference purposes only and it is not implied that any of the parts/brands listed are the product of any company other than ONA. We are not agents or distributors for any of the above mentioned brands nor do we have any commercial relationship or association with them.

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