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Maintains grinding path spacing, supports liners and defines a controlled secondary crushing passage.
Grinding path spacer strip (Grinding Path Spacer Strip)— Hammer Crusher Wear part, position 18.
| Installation Position | Between HUV/HNM grinding path liners or at their support surfaces; position 18 in the variant location diagram. |
| Main Function | Maintains grinding path spacing, supports liners and defines a controlled secondary crushing passage. |
| Replacement Frequency | Moderate to high wear exposure; replace for loss of height, loosening, bending, fracture or excessive gap variation. |
| Item | Details |
|---|---|
| Material Options | Quenched and tempered alloy steel, wear-resistant steel or a surface-hardfaced strip |
| Typical Properties and Acceptance Criteria | Spacer and grinding strips maintain grinding path geometry and material passages while carrying high local contact pressures and abrasive wear. Control cross-section, length, straightness, hardness gradient, fastening, end cracks and height relative to the liners. Changing strip height directly changes crushing clearance and product fineness. |
| Principal Failure Mechanism | Impact, cutting and abrasion |
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