Technical Advice
Equipment and part identification, drawing review, material selection and manufacturing feasibility assessment.
Provides lower sliding guidance and maintains the alignment of the hydraulic support system.
Lower Hydraulic Cylinder Bushings (Lower Hydroset Bushing)— Gyratory Crusher Wear part, position 15.
| Installation Position | At the lower guide position of the hydraulic cylinder, corresponding to location 15 in the FLS cutaway diagram marked on this site. |
| Main Function | Provides lower sliding guidance and maintains the alignment of the hydraulic support system. |
| Replacement Frequency | Low to medium replacement frequency; assess clearance, scoring, uneven wear, looseness and abnormal metal content in the oil. |
| Item | Details |
|---|---|
| Material Options | Centrifugally cast bearing bronze of the C93200/C93800 type, or the copper alloy specified by the OEM |
| Typical Properties and Acceptance Criteria | The lower bushing generally has a different load distribution and locating function from the upper bushing. Acceptance checks cover casting soundness, hardness, coaxiality, cylindricity, oil grooves, fit and anti-rotation features. Check alignment against the cylinder bore, piston and mainshaft centreline. |
| Principal Failure Mechanism | Sliding or three-body abrasion, localized impact and cracking around fastener holes; contact fatigue, lubricant contamination, temperature rise, seizure and seal failure |
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