Earthmoving equipment sprockets drive the track chains, bucket mechanisms, and conveyor systems on excavators, bulldozers, loaders, and graders used in Australian construction and mining. 4140 alloy steel with HRC 45-55 hardened teeth for extreme abrasion from sand, gravel, and rock.
| Parameter | Jangkauan | Kebiasaan |
|---|---|---|
| Melempar | 25.4–50.8mm | Ya |
| Rantai | ANSI #80–#160 / ISO 16B–32B | Ya |
| Gigi | 13–40T | 9–76T |
| Bahan | Baja Paduan 4140 | SS304 |
| Kekerasan | HRC 45–55 | — |
| Pusat | QD / Terpisah | QD |
| Membosankan | H7, 15–50mm | QD meluas |
| Untai | Simplex / Duplex | — |
| Kecepatan | Hingga 1.200 RPM | — |
| Permukaan | HDG / Zinc-nickel | — |
| Suhu | -20°C hingga +60°C | — |
| TIR | ≤0,03 mm | — |
| Alur kunci | DIN 6885 / AS 1403 | Imperial |
| Pelumasan | ISO VG 30-68 | — |
| Kelelahan | >5M shock cycles | — |
| Faktor Keamanan | ≥5:1 | — |
| Berat | 1–15 kg | — |
| Kebisingan | <72 dB | — |
| Debu/Puing | Sedang | — |
| Sertifikat | ISO 9001, EN 10204 3.1 | — |
✅ 4140 alloy steel for extreme shock loads — C45 fails in this application.
✅ HRC 45-55 hardened teeth — resists rock/mineral abrasion.
✅ Split hub / QD for field replacement — minimises expensive downtime.
✅ Full EN 10204 3.1 material traceability — meets audit requirements.
Lokasi: Track drive, bucket chain, slewing mechanism, auxiliary conveyor. Fungsi: Mengubah torsi motor menjadi gerakan pengumpanan dan pemrosesan material yang presisi.
OEM: Caterpillar*, Komatsu*, Volvo CE*, Hitachi*, Liebherr* systems. *Compatibility reference only.
Memilih: ❶ Match chain pitch ❷ Shaft bore → hub type ❸ Tooth count for speed ratio ❹ Material grade for environment ❺ Surface treatment for corrosion protection.
Memasang: LOTO → lepaskan rantai → lepas sprocket lama → pasang yang baru (TL = rapid change) → sejajarkan → kencangkan 2-3% → lumasi → uji.
Permasalahan: Rantai bergesekan dengan gigi gir = gir aus (ganti keduanya). Getaran = ketidaksejajaran/penyimpangan lubang gir. Suara berisik berlebihan = rantai kering. Rantai melompat = rantai memanjang + gir aus (ganti keduanya).
Pilbara, WA: “Precision sprockets matched OEM specs. Running well.” ★★★★★
Sydney, NSW: “Split hub saved hours during shutdown. Material certs provided.” ★★★★★
Brisbane, QLD: “Consistent quality across multiple orders. Hardened teeth lasting well.” ★★★★☆
Adelaide, SA: “QD bushed on large shaft. Rapid installation, running true.” ★★★★★
Melbourne, VIC: “Professional documentation, competitive pricing, reliable supply.” ★★★★★
Rantai Transmisi
Bantalan
✅ ISO 9001 ✅ ANSI/ISO ✅ EN 10204 3.1
Ever-Power Australia: 15+ years, 3,200+ SKUs, 4140 alloy, engineering support.
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