5 Mistakes to Avoid When Buying Crusher Wear Parts for Mining Machinery
Publish：
2026-01-20 09:25
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清水源
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Choosing the right crusher wear parts is key to mining efficiency and cost control. Many mines fall into procurement pitfalls, causing premature failures and downtime. Beyond "hardness-only obsession," here are 7 mistakes to avoid—backed by real scenarios and tips.
1. Obsessing Over Hardness While Ignoring Toughness
Many assume higher hardness means better wear resistance, but wear-resistant castings need balanced hardness and toughness. Case: A limestone mine used ultra-hard high-chromium manganese steel liners, which cracked in 3 weeks due to brittleness. Switching to modified Mn13 manganese steel extended lifespan to 3 months.
Tip: Match materials to wear mechanisms—toughness for impact, hardness for abrasion.
2. Focusing Only on Price, Not Material Quality
Cheapest crusher wear parts often use subpar materials. Case: A copper mine chose budgetalloy steel wear plates (recycled scrap instead of pure alloy) that wore out in 6 weeks (vs. 3 months), costing 40% more in downtime than quality parts.
Tip: Verify material certifications (Mn13, Cr-Mo) and wear test reports for long-term savings.
3. Neglecting Installation Alignment and Fit
Top-tier crusher wear parts fail if misinstalled. Case: An operator replaced jaw crusher liners with a 2° angle deviation, causing cracks in 2 weeks. Proper alignment boosted the next liner’s lifespan by 50%.
Tip: Follow installation guides or use suppliers with on-site support.
4. Overlooking Wear Mechanism Matching
Different wear types need tailored parts. Case: A salt mine’s standard wear-resistant castings rusted in a month; corrosion-resistant Cr-Mo alloy parts lasted 4 months.
5. Skipping Sample Testing Before Bulk Orders
Skip sample testing at your peril. Case: A granite mine’s 5-ton manganese steel liners failed due to poor abrasion resistance. Test samples first (fees deductible for bulk orders).
How to Avoid These Mistakes and Choose the Right Parts
Optimize procurement: 1) Analyze wear mechanisms and crusher specs; 2) Prioritize quality/customization over cost; 3) Demand installation/support; 4) Test samples. This cuts costs and downtime.
As a top wear-resistant castings manufacturer (5,000 tons/year capacity), we offer tested parts and custom solutions.
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