Technical Advice
Equipment and part identification, drawing review, material selection and manufacturing feasibility assessment.
Provides the apron pivot or release point and transfers impact and adjustment loads.
Apron Pivot Pin Bushing (Apron Pivot Pin and Bushing)— Impact Crusher Wear part, position 17.
| Installation Position | At the apron pivot and adjustment mechanism connections, position 17 in common layout A. |
| Main Function | Provides the apron pivot or release point and transfers impact and adjustment loads. |
| Replacement Frequency | Medium replacement frequency; assess as a set for excessive clearance, uneven wear, seizure, pin cracks, bushing movement or lubrication failure. |
| Item | Details |
|---|---|
| Material Options | Quenched and tempered or induction-hardened 42CrMo/4140 pins with copper alloy, hardened steel or OEM-specified composite bushings |
| Typical Properties and Acceptance Criteria | Pins require core toughness, surface wear resistance, bending fatigue strength and shear resistance. Bushings need resistance to seizure, embeddability and the ability to operate under boundary lubrication. Control pin bore coaxiality, pin roundness and hardened case, bushing interference, running clearance, oil grooves and dust protection. Replacing the pin without correcting a worn bore can cause rapid recurrence. |
| 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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ANRANST provides customers worldwide with coordinated consulting, supplier sourcing, quality control and finished-part delivery for custom parts, wear parts and industrial spares from China, with scope to support other custom industrial parts.
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