Sprockets for Rock Crushers

Sprockets for Rock Crushers — Extreme Shock-Load Chain Drives

Rock crusher sprockets drive the chain mechanisms in jaw crushers, cone crushers, impact crushers, and feeder systems used in quarrying, mining, and construction aggregate production across Australia. These sprockets endure the most extreme shock loads, abrasive dust, and vibration of any industrial application. We supply crusher sprockets in 4140 alloy steel with induction-hardened teeth HRC 45-55, QD/split hubs, and full EN 10204 Type 3.1 traceability.

Specifications

پارامتر محدوده سفارشی
گام 25.4–50.8mm (1″–2″) بله
زنجیره ANSI #80–#160 / ISO 16B–32B بله
دندان‌ها ۱۵–۴۵ تن ۹–۷۶تی
مواد فولاد آلیاژی ۴۱۴۰ 4340 for extreme
سختی اچ آر سی ۴۵–۵۵
هاب QD / تقسیم تی ال
سوراخ 30–120mm QD to 150mm+
استرند دوبلکس / تریپلکس
سرعت Up to 400 RPM
Shock Factor 3x rated (intermittent)
Dust Extreme — silica, limestone
تیر ≤0.03 میلی‌متر
کلیدراه DIN 6885 امپریال
سطح Black oxide HDG
دما -10°C to +60°C
PD (21T #100) 213.0mm
OD (21T #100) 228.0mm
Max Bore (21T #100) 55mm QD گسترش می‌یابد
Fatigue Life >5M چرخه شوک
گواهی ایزو ۹۰۰۱، EN ۱۰۲۰۴ ۳.۱

Working Principle / Advantages

Where: Crusher feeder chain drive, discharge conveyor head, vibrating grizzly mechanism, crusher toggle drive. عملکرد: Transmit high-torque, shock-loaded power from motor/gearbox to crusher feed and discharge mechanisms.

✅ 4140 alloy steel survives 3x shock overloads — C45 cracks under crusher impact loading.

✅ HRC 45-55 resists abrasive rock dust — unhardened teeth erode within weeks.

✅ Split hub for field replacement — crusher downtime costs AUD 5,000-20,000/hour.

سازگاری / انتخاب

نصب شده: Metso*, Sandvik*, FLSmidth*, Terex*, Kleemann* crushers. *Compatibility ref only.

انتخاب کنید: ❶ Chain from existing crusher ❷ 4140 material (minimum for crushers) ❸ QD/split hub ❹ Duplex or triplex ❺ Specify shock factor.

مطالعات موردی

Pilbara, WA — Iron Ore Crusher: “4140 #120 triplex on our primary jaw crusher feeder. Surviving extreme shock loads in 50°C heat. 8 months running.” ★★★★★

Hunter Valley, NSW — Coal Crusher: “Split hub #100 for discharge conveyor. Replaced during planned shutdown in 90 minutes.” ★★★★★

Gladstone, QLD — Limestone Quarry: “QD bushed #80 on our cone crusher. 80mm bore, rapid install on large shaft.” ★★★★☆

Adelaide Hills, SA — Aggregate Plant: “4140 with full material cert. Our structural engineer verified composition.” ★★★★★

Kalgoorlie, WA — Gold Mine: “Heavy-duty crusher sprockets used across our processing plant. Consistent quality.” ★★★★★

سوالات متداول

Why 4140 for crushers?
Crushers produce extreme intermittent shock loads (3x rated). 4140 alloy steel has superior fatigue strength and impact resistance over C45.
Split hub for crusher sprockets?
Yes. Essential for crushers where chain removal costs hours of downtime at AUD 5,000+/hr.
Dust protection?
HRC 45-55 hardened teeth resist silica dust abrasion. Sealed bearing idlers available for return path.
Compatible with Metso/Sandvik?
Yes. ANSI/ISO sprockets dimensionally interchangeable with OEM crusher drive components.
حداقل سفارش؟
One piece with 4140 cert + inspection report.

Heavy Chains

QD Bushings

✅ ISO 9001 ✅ 4140 standard ✅ EN 10204 3.1 | Ever-Power: crusher sprocket specialist, 15+ yrs mining experience.

خانه | درباره

ای پی

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