Sprockets for Warehouse Sorting Systems — High-Speed Sortation Chain Drives
Warehouse sorting sprockets drive the chain mechanisms in cross-belt sorters, tilt-tray systems, diverter conveyors, and accumulation zones within distribution centres and e-commerce fulfilment facilities. These sprockets operate at high cycle rates with frequent direction changes, demanding precision tooth profiles and hardened wear surfaces. We supply sorting system sprockets in ANSI #40–#60 and ISO 08B–12B with taper-lock hubs, induction-hardened teeth, and low-noise tooth profiles optimised for 24/7 warehouse environments.
Technical Specifications
| Parameter | Range | Custom |
|---|---|---|
| Pitch | 12.7–19.05mm | Yes |
| Chain | ANSI #40, #50, #60 / ISO 08B–12B | Yes |
| Teeth | 15–30T | 9–60T |
| Material | C45 Steel | SS304, Nylon |
| Hardness | HRC 40–50 | — |
| Hub | Taper-Lock | B-Hub, QD |
| TIR | ≤0.025mm | — |
| Speed | Up to 1,500 RPM | — |
| Noise | <70 dB | Nylon <60 dB |
| Surface | Black oxide / Zinc | Electro-polish |
| Duty Cycle | 24/7 continuous | — |
| Bore | H7 tolerance | H6 on request |
| Keyway | DIN 6885 | ANSI |
| Temp | -5°C to +50°C | — |
| PD (19T #40) | 77.1mm | — |
| OD (19T #40) | 85.8mm | — |
| Max Bore (19T #40) | 28mm | TL extends |
| Weight (19T #40) | 0.42 kg | — |
| Strand | Simplex | Duplex |
| Cert | ISO 9001 | EN 10204 3.1 |
Performance: Our Sprockets vs Inferior
✅ Ours: CNC hobbed AGMA teeth → smooth 24/7 operation, <70 dB noise.
❌ Inferior: Rough-cast teeth → noise complaints in warehouse, accelerated chain wear.
✅ Ours: HRC 40-50 hardened → handles millions of high-speed sort cycles.
❌ Inferior: Unhardened → tooth deformation within months of 24/7 operation.
✅ Ours: 0.025mm TIR → vibration-free at high speed. ❌ Inferior: Loose bore → parcel missorting from vibration.
✅ Ours: ISO 9001 + material certs. ❌ Inferior: No traceability, quality varies.
How Sprockets Work in Sorting Systems
In warehouse sorting systems, sprockets are mounted on drive shafts at each sorter zone and diverter mechanism. The drive sprocket engages roller chain to power cross-belt carriers, tilt-tray modules, and diverter arms that route parcels to designated chutes based on barcode/RFID data. Locations: Sorter drive zones, accumulation conveyor heads, merge points, diverter actuators. Function: Convert motor torque into precise linear sortation motion at speeds up to 2m/s with parcel-to-parcel gaps under 300mm.
Sorter Throughput vs Chain Size
| Chain | Max Sorter Speed | Typical Throughput |
|---|---|---|
| #40 / 08B | 2.5 m/s | Up to 12,000 parcels/hr |
| #50 / 10B | 2.0 m/s | Up to 8,000 parcels/hr |
| #60 / 12B | 1.5 m/s | Up to 5,000 parcels/hr (heavy parcels) |
Compatibility
Chains: ANSI #40–#60, ISO 08B–12B. OEM: Compatible with Dematic*, Vanderlande*, Beumer*, Interroll* sorting systems.
*Compatibility reference only.
Selection Guide
❶ Match chain pitch to existing sorter chain. ❷ Measure shaft → select TL bushing. ❸ Tooth count per speed ratio. ❹ C45 steel standard; nylon for noise-sensitive zones. ❺ Order sprocket + bushing.
Installation
1. LOTO sorter zone. 2. Release chain tension. 3. Remove old sprocket. 4. Mount new TL sprocket, torque in star pattern. 5. Align within 0.5mm/300mm. 6. Tension chain to 2% sag. 7. Test at low speed, verify parcel tracking accuracy.
Troubleshooting
| Issue | Cause | Fix |
|---|---|---|
| Parcel missorting | Chain pitch error from worn sprocket | Replace sprocket + chain |
| Excessive noise at night | Dry chain or misalignment | Lubricate, re-align |
| Chain skipping | Elongated chain + worn teeth | Replace both simultaneously |
| Vibration at drive zone | Bore runout | Replace sprocket (check TIR) |
| Reduced throughput | Chain tension loss | Adjust tensioner, inspect sprocket |
Case Studies
Sydney, NSW — E-Commerce DC: “TL #40 sprockets across 48 sorter zones. Changeover time halved. 24/7 operation, 10 months no failures.” ★★★★★
Melbourne, VIC — 3PL Sorter: “Low-noise sprockets for our night-shift warehouse. Noise complaints from adjacent office eliminated.” ★★★★★
Brisbane, QLD — Parcel Hub: “08B sprockets on cross-belt sorter. Handling 10,000 parcels/hr with zero missorting from chain drive.” ★★★★☆
Perth, WA — Mining Supply DC: “#50 duplex on heavy parcel diverter. Handles 25kg parcels continuously. Hardened teeth lasting well.” ★★★★★
Adelaide, SA — Cold Chain DC: “Zinc-plated sprockets in our chilled warehouse. No corrosion from condensation. Good value.” ★★★★★
FAQ
Best sprocket for 24/7 sorting?
How to reduce sorter noise?
Compatible with Dematic/Vanderlande?
Cold warehouse sprockets?
MOQ?
Related — Transmission Chains
Roller Chains
Chain Tensioners
✅ ISO 9001 ✅ ANSI/ISO ✅ EN 10204 3.1 | Ever-Power: 15+ yrs, 3,200+ SKUs, engineering support.
