Eccentric assembly

The drive assembly that produces gyratory motion of the mainshaft.

Gyratory crusher eccentric assembly and constituent parts reference diagram

Eccentric assembly The eccentric assembly is a gyratory crusher assembly. Check its interfaces with adjacent mainshaft, spider, liner, eccentric and hydraulic-system parts against the installed configuration.

Location and Function

Installation PositionAround the lower mainshaft, within the bottom-shell and drive-gear area.
Main FunctionEccentric motion drives the mainshaft and crushing head in a gyratory path, while the gear and axial wear parts transmit and support loads.
Part typeParts / Assemblies

Information Required for RFQ

  • OEM, complete model, serial number and assembly or model details;
  • Latest drawing revision, dimensions, unit weight, critical tolerances and assembly interfaces;
  • Current material, heat treatment, hardness, mechanical properties and nondestructive testing requirements;
  • Failure photos, wear measurements, crack locations, current service life and target life;
  • Fit with adjacent parts, fastening, lubrication, sealing and assembly/disassembly requirements.
Parts or assemblies with the same name can differ between brands, series and production periods. Confirm the complete model, drawing and revision before manufacture.
Related Pages

Equipment, Materials and OEM Installations

Use these links for engineering pre-selection. Final fit must be checked against the full model, serial number, drawing revision, dimensions and actual duty.

OEM installations

Independent aftermarket information. OEM names and trademarks belong to their owners and do not imply authorization, affiliation or endorsement. Confirm the series, full model, serial number, drawings and duty before manufacture.

Request drawing-based eccentric assembly manufacture

Submit the model, drawings and operating conditions for review of the structure, material, manufacturing process and inspection requirements.

Equipment Brand and ModelDrawingDrawing or DimensionsCurrent MaterialPhotographs of Failed PartsTarget Service LifeOperating Conditions
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From Technical Assessment to Finished-Part Delivery

ANRANST provides customers worldwide with engineering assessment, production at certified foundries to the customer technical requirements, quality control and finished-part delivery for custom wear parts and industrial spares, with scope to support other custom industrial parts.

01

Drawing and Engineering Review

We review mating surfaces and interface dimensions and assess material, heat treatment and manufacturing feasibility.

02

Material and Heat-Treatment Specification

Material grades and heat-treatment processes are specified order by order, stated in the technical agreement and tracked through production.

03

Quality Control

Drawing confirmation, material and process control, production tracking, inspection and acceptance coordination.

04

Finished-Part Delivery

We coordinate manufacturing, quality confirmation, packaging and delivery of complete finished parts in a workable, closed-loop supply process.

Provide the existing model, drawings, drawing, materials or operating conditions so we can identify the appropriate technical review and supply route.

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