Technical Advice
Equipment and part identification, drawing review, material selection and manufacturing feasibility assessment.
Maintains axial hammer spacing, swing clearance and coverage across the crushing width.
Hammer Spacer Ring (Hammer Spacer Ring)— Hammer Crusher Wear part, position 04.
| Installation Position | Between hammers and rotor discs or adjoining hammers, item 04 in the HDS location and internal exploded diagrams. |
| Main Function | Maintains axial hammer spacing, swing clearance and coverage across the crushing width. |
| Replacement Frequency | Medium; replace as a set for end-face wear, bore enlargement, cracks or excessive thickness variation within the set. |
| Item | Details |
|---|---|
| Material Options | Quenched and tempered alloy steel, wear-resistant steel or OEM-specified spacer/wear ring material |
| Typical Properties and Acceptance Criteria | Spacer rings maintain axial hammer arrangement while resisting fretting, impact and trapped particles. Control thickness variation within the set, bore, end-face parallelism, surface hardness, cracks and safe clearance to hammer shafts and rotor discs. Arbitrary thickness changes disrupt full-width hammer coverage and rotor mass distribution. |
| Principal Failure Mechanism | Impact, cutting and abrasion |
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