Overview — Sprockets for Automated Production Equipment
Automated production equipment — from robotic pick-and-place cells to CNC part feeders and AGV-linked transfer lines — demands sprockets that deliver repeatable, backlash-free motion millions of times without intervention. A single mispositioned tooth can cascade into rejected parts, sensor faults, or even robotic collisions.
Компания Ever-Power Australia Sprockets Co., Ltd. производит звездочки. automation-grade sprockets with tooth profiles ground to AGMA 11 quality or better, bore tolerances of H6, and dynamic balancing to G2.5. These specifications ensure your automated equipment maintains micron-level repeatability across three-shift, lights-out production schedules common in advanced Australian factories.
Whether you run a CNC machining cell in Wollongong, a robotic welding line in Geelong, or an automated inspection station in Adelaide, our sprockets integrate seamlessly with your existing servo-driven chain systems.
Технические характеристики
| Параметр | Стандарт | Обычай |
|---|---|---|
| Цепной шаг | 1/4″ – 1-1/2″ (ANSI 25–120) | Miniature / 2″ |
| Зубы | 9 – 100 | Up to 180 |
| Стрэнд | Одноместный / Двухместный | Triple / Quad |
| Центр | Type B / QD / Taper Lock | Servo clamp / keyless |
| Диаметр цилиндра | 6 mm – 70 mm | До 120 мм |
| Материал | SCM440 Alloy Steel | SS / Aluminium / Titanium |
| Твердость | HRC 50–58 (Carburised) | Nitrided HV 700 |
| Поверхность | Black Oxide / QPQ | DLC coat / hard chrome |
| ПЦД | 20 mm – 700 mm | До 1200 мм |
| Профиль | AGMA 11 Ground | AGMA 13 |
| Максимальные обороты в минуту | 2,500 | 4,000 (balanced) |
| Температура | -30 °C to +180 °C | +350 °C (Inconel) |
| Ключевой путь | DIN 6885 / JIS B1301 | Spline / hex |
| Допуск на диаметр канала ствола | H6 | H5 ultra-precision |
| ТИР | ≤ 0.025 mm | ≤ 0.01 mm |
| Balance Grade | G2.5 | G1.0 |
| Прочность на растяжение | ≥ 900 MPa | ≥ 1200 MPa |
| Fatigue Life | ≥ 20,000 hrs | ≥ 40,000 hrs |
| Обратная реакция | ≤ 0.08 mm | ≤ 0.03 mm |
| Упаковка | Anti-static VCI + foam | Cleanroom pack |
Преимущества в производительности
💫 Precision-Ground Teeth
Every tooth is CNC-ground after heat treatment, achieving ≤ 0.025 mm TIR. This eliminates the “tooth-to-tooth” error that causes servo faults and rejects in high-speed automated cells.
🛠 Zero-Backlash Hub Options
Our keyless locking assemblies and servo-clamp hubs provide ≤ 0.03 mm backlash — critical for encoder-feedback positioning loops in robotic assembly.
⚡ Carburised Case Depth
0.8–1.2 mm case depth with HRC 58 surface and HRC 35 core gives the best balance of wear resistance and shock absorption for start-stop automation cycles.
❌ What Budget Sprockets Cost You
Poor TIR (> 0.1 mm) induces vibration that triggers servo error codes, halting your line. Soft teeth wear asymmetrically, introducing cumulative positioning error that produces scrap. False savings become real losses.
Working Principle in Automated Equipment
In automated production, a servo motor or stepper motor drives the sprocket through a precision coupling or gearbox. The sprocket teeth engage a roller chain (or silent chain for ultra-low-noise applications), converting the motor’s controlled rotary motion into precisely indexed linear or rotary movement of the workpiece carrier, conveyor, or tool changer.
Key locations where automation sprockets operate:
▸ Part-transfer indexing drive — positions components at robotic work cells with ± 0.1 mm repeatability.
▸ CNC bar feeder — feeds raw material at exact increments into the spindle.
▸ Tool-magazine chain — rotates the tool carousel to present the correct tool to the spindle in under 2 seconds.
▸ AGV (Automated Guided Vehicle) lift — raises/lowers pallet via chain-and-sprocket mechanism.
Совместимость
| Chain System | Sizes | Typical Automation Brands* |
|---|---|---|
| ANSI Precision Roller | 25, 35, 40, 50, 60 | Fanuc, ABB, KUKA robotics |
| BS/ISO Roller | 05B, 06B, 08B, 10B | Siemens, Beckhoff, Mitsubishi |
| Silent (Inverted Tooth) | SC3, SC4, SC5, SC6 | Ramsey, BorgWarner |
*Brand names referenced for cross-referencing only. Ever-Power Australia Sprockets Co., Ltd. has no affiliation with these brands.
💰 Downtime Cost Estimator
Use this reference to estimate how much a single sprocket failure costs your automated line:
| Line Output Value/Hr | Avg Downtime (Cheap Sprocket) | Lost Production | Premium Sprocket Cost |
|---|---|---|---|
| AUD 2,000/hr | 4 hrs (incl. sourcing) | AUD 8,000 | AUD 85–250 |
| AUD 5,000/hr | 4 hrs | AUD 20,000 | AUD 85–250 |
| AUD 10,000/hr | 4 hrs | AUD 40,000 | AUD 85–250 |
A quality sprocket pays for itself in the first 15 minutes of avoided downtime.
Руководство по выбору
- Define motion profile — continuous, indexing, or reversing? This determines tooth-load rating.
- Identify chain spec — standard roller or silent chain? Pitch and strand count?
- Specify bore & hub — servo keyless clamp for precision; QD for maintainability.
- Set environment — cleanroom, high-temp, coolant exposure? Determines material & coating.
- Confirm balance grade — G2.5 for most automation; G1.0 for ultra-high-speed.
Installation for Automated Systems
- Power down equipment and engage E-stop per AS/NZS 4024. Confirm servo drives are de-energised.
- Remove chain guard and chain. Photograph chain routing and sprocket orientation for reference.
- Remove old sprocket. Clean shaft with lint-free cloth and solvent — no emery in cleanroom environments.
- Verify shaft diameter with micrometer; check keyway or spline condition.
- Mount new sprocket; torque keyless locking assembly per manufacturer table (typically 25–80 Nm).
- Laser-align drive and driven sprockets to ≤ 0.15 mm angular offset.
- Install new chain with correct pre-tension. Use master link rated for the chain’s working load.
- Perform servo homing routine; verify encoder feedback against physical position.
- Run 50 indexing cycles at 50% speed, checking position accuracy at each dwell.
- Ramp to full speed; confirm cycle time and repeatability within spec.
Поиск неисправностей
Servo position error alarm
Причина: Sprocket backlash exceeding encoder tolerance. Исправить: Switch to keyless clamp hub; replace chain if elongated.
Audible click at low speed
Причина: Tooth-pitch error or chain roller damage. Исправить: Inspect teeth with go/no-go gauge; replace damaged chain rollers.
Inconsistent index position
Причина: Cumulative pitch error in chain or sprocket. Исправить: Replace both; use pre-stretched chain.
Sprocket overheating
Причина: Insufficient lubrication or over-tension. Исправить: Adjust tension; switch to automatic chain oiler.
Chain derails during reversing
Причина: Insufficient chain wrap angle or no chain guide. Исправить: Add chain guide; increase wrap to ≥ 120°.
Примеры из практики
📍 Geelong, VIC — Robotic Welding Line
16-station robotic welding cell, ANSI 50 chain, indexing every 12 seconds. Position drift causing weld misalignment.
Результат: Carburised 21T sprockets with keyless hubs. Position drift eliminated; weld reject rate fell from 3.5% to 0.2%.
“We eliminated our single largest source of weld defects.” — Automation Engineer
📍 Wollongong, NSW — CNC Bar Feeder
High-precision bar feeder on a Citizen CNC lathe, ANSI 35 chain. Feed error causing scrap every 200 parts.
Результат: AGMA 13 ground 15T sprocket with H5 bore. Feed accuracy improved to ± 0.05 mm; scrap rate halved.
“The feed accuracy improvement was immediate and measurable.” — CNC Supervisor
📍 Adelaide, SA — Battery Assembly Automation
Lithium-ion cell stacking machine, silent chain, 800 cycles/hr in dry-room environment.
Результат: QPQ-coated alloy-steel sprockets. No corrosion in low-humidity dry room; chain life extended 2.5×.
“Critical for our dry-room environment where standard treatments fail.” — Process Manager
📍 Brisbane, QLD — AGV Pallet Lift
Fleet of 24 AGVs with chain-driven scissor lifts, ANSI 40 duplex. Frequent chain jump causing pallet drops.
Результат: Through-hardened 17T duplex sprockets with chain guides. Zero chain-jump incidents in 18 months.
“Pallet drops were a safety risk — that risk is now completely mitigated.” — Safety Officer
📍 Perth, WA — Automated Inspection Station
Vision-inspection conveyor, ANSI 25 chain, 1,200 parts/hr. Vibration blurring camera images.
Результат: G1.0 balanced micro-sprockets (11T). Vibration reduced below camera threshold; inspection yield improved 8%.
“Image clarity went from 92% pass to near 100%. Remarkable difference.” — Vision Systems Engineer
Часто задаваемые вопросы
Do you supply sprockets for silent (inverted-tooth) chains?
Yes. We produce sprockets for SC3 through SC8 silent chains with ground-tooth profiles for noise-sensitive automation.
Can you supply small batch prototypes?
Absolutely. We offer prototype runs from 1 piece with 7-day turnaround for R&D and commissioning.
What surface treatment resists coolant corrosion?
QPQ (quench-polish-quench) or DLC (diamond-like carbon) coatings provide excellent coolant resistance for CNC environments.
Do you provide 3D CAD models?
Yes. STEP and IGES files available for all standard and custom sprockets, free of charge.
How tight can you hold bore tolerance?
Standard H6 (± 0.008 mm on 25 mm bore). Premium H5 (± 0.005 mm) available on request.
Can I get matched sprocket-chain-guide assemblies?
Yes. We supply complete drive kits: sprockets + chain + tensioner + guides, pre-matched and tested.
What warranty applies to automation sprockets?
18-month warranty for automation-grade sprockets. Extended warranty for annual supply contracts.
Do you support Kanban or VMI replenishment?
Yes. We operate VMI programs for several Australian automation integrators with weekly consignment restocking.
Can sprockets be marked with QR codes for traceability?
We offer laser-engraved QR, Data Matrix, and human-readable serial codes on every sprocket for Industry 4.0 traceability.
What is your typical lead time for automation-grade sprockets?
Stock items: 3–5 days. Custom ground-tooth sprockets: 2–3 weeks. Rush service available.
См. также — Цепи передачи
В сочетании с нашими pre-stretched precision roller chains and silent chains for a complete automation drive solution.
Сертификаты
✅ ISO 9001:2015 | ✅ ANSI B29.1 / ISO 606 | ✅ DIN 8187/8188 | ✅ AGMA tooth quality | ✅ RoHS | ✅ EN 10204 3.1 certs | ✅ CE available | ✅ Industry 4.0 traceability ready
Почему именно компания Ever-Power Australia Sprockets Co., Ltd.?
We bring two decades of precision manufacturing expertise to the Australian automation market. Our 25,000 m² factory features CNC grinding centres, vacuum heat-treatment furnaces, and CMM inspection with ± 1 µm capability. We supply automation OEMs and integrators across 50+ countries, with local Australian stock for rapid replacement. Complete OEM/ODM service including custom designs, private labelling, and matched drive kits.
Upgrade Your Automation Drive
Precision that your robots can rely on.
From single-piece prototypes to full production volumes, Ever-Power Australia Sprockets Co., Ltd. delivers automation-grade sprockets with the quality, traceability, and speed your projects demand.
