Sprocket
Premium Industrial Sprockets Manufacturer & Custom OEM Supplier
As a premium sprocket supplier, Anhui Huihuang Chain Transmission Co., Ltd. operates comprehensive production lines and holds ISO 9001 certification, enabling the company to supply standard roller chain sprockets, custom drive sprockets, and high-strength industrial sprockets to OEMs and distributors worldwide.
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Product Features
High-Performance Industrial Sprockets Built for Extreme Durability
Precision Tooth Profile Processing
Engineered with advanced CNC machining and hobbing techniques to ensure exact pitch accuracy, smooth mesh with roller chains, and reduced operational noise.
01
Superior Material Grade
Manufactured using premium alloy steel, carbon steel (C45/1045), stainless steel (SS304/SS316), and cast iron to withstand high stress and corrosive environments.
02
Enhanced Wear Resistance
Inductively hardened teeth (HRC 45–55) dramatically increase service life and lower maintenance replacement frequency under continuous heavy loads.
03
Corrosion-Resistant Surface Treatment
Available with black oxide, zinc plating, nickel plating, or customized coating to handle outdoor, marine, and chemical applications.
04
Flexible Customization & Standards
Fully compliant with ANSI, DIN, BS, ISO, and JIS international standards, alongside complete OEM/ODM customized drawing support.
05
Technical Specifications
|
Parameter |
Specification Details |
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Standard Compliance |
ANSI B29.1, DIN 8187, DIN 8188, ISO 606, BS, JIS |
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Sprocket Types |
Type A (Flat Plate), Type B (Hub One Side), Type C (Hub Both Sides), Idler, Taper-Bore, Double Single |
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Pitch Range |
1/4" to 3" (04C to 48B / 25 to 240) |
|
Number of Teeth |
8T to 150T (Custom teeth counts available) |
|
Material Options |
C45 Carbon Steel, 40Cr Alloy Steel, Stainless Steel (304/316), Cast Iron (HT250), Nylon/POM |
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Heat Treatment |
High-Frequency Tooth Induction Hardening (HRC 45–55), Carburizing, Quenching & Tempering |
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Surface Finish |
Black Oxide, Zinc Plated (Yellow/White), Nickel Plated, Phosphate, Anodized, Shot Blasted |
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Bore Types |
Stock Bore, Finished Bore (with keyway and setscrews), Taper Lock Bushing (TLB), QD Bushing |
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Tolerance Class |
DIN 8196 / ISO 606 Precision Grade |
Product Application
Versatile Drive Solutions Across Global Industries
Agricultural Machinery
Combine harvesters, seeders, tractors, and grain handling conveyors.
Industrial Automation & Conveyor Systems
Material handling lines, packaging machinery, logistics sorting systems, and assembly lines.
Mining & Heavy Construction
Excavators, crushers, heavy-duty belt feeders, and bucket elevators operating in abrasive environments.
Automotive & Gearbox Systems
Engine timing systems, drive transfer units, and specialized transmission systems.
Food & Beverage Processing
Stainless steel hygienic sprockets for washdown environments, bottling, and canning equipment.
Oil, Gas & Energy
Mud pumps, drilling rigs, and heavy transmission drives exposed to demanding outdoor elements.
Craftsmanship
Superior Engineering & Heat Treatment Craftsmanship
Precision CNC Tooth Hobbing
Ensures accurate tooth geometry, reducing chain friction, stretching, and power transmission loss.
Targeted Tooth Induction Hardening
Hardens only the high-wear tooth area while maintaining a tough, shock-absorbing core, preventing catastrophic tooth breakage.
Dynamic Balancing
Applied to large-diameter and high-speed sprockets to eliminate vibration and extend bearing and chain life.
Anti-Corrosion Surface Sealing
Multi-stage electroplating and chemical conversion coatings protect metal substrates against moisture, acid, and salt spray.
Manufacturing Process
Raw Material Inspection: Chemical composition analysis and ultrasonic flaw detection of raw steel bars/plates.
Precision Cutting & Forging: Blank cutting and drop forging to ensure optimized metal grain structure.
Rough Turning & Machining: CNC lathe turning to define outer diameter, face width, and hub dimensions.
Tooth Hobbing / Milling: Precision gear hobbing to form exact tooth profile according to ANSI/DIN standards.
Keyway & Hole Machining: Precision boring, keyway broaching, and tapping for setscrews.
Heat Treatment: Induction hardening or carburizing to achieve optimal hardness and fatigue resistance.
Surface Finishing: Blackening, zinc plating, or sandblasting for surface protection.
Final Quality Inspection & Packaging: CMM measurement, hardness testing, rust-proof oil coating, and export-ready wooden box packaging.
Compare With Other Products
Why Choose HHChains Industrial Sprockets Over Standard Alternatives?
|
Feature / Metric |
HHChains Precision Sprockets |
Standard Low-Cost Sprockets |
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Steel Material Grade |
Certified C45 / 40Cr / SS304 Prime Steel |
Recycled or Low-Grade Uncertified Steel |
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Tooth Hardness |
HRC 45–55 (Deep Uniform Layer) |
Uneven or Non-Hardened (Soft Teeth) |
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Tooth Pitch Accuracy |
High Precision (ISO 606 Class 1) |
Lower Precision (Causes Chain Wear & Noise) |
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Service Lifespan |
Up to 2.5x Longer Under Heavy Load |
Premature Tooth Wear & Frequent Replacements |
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Customization Support |
Complete OEM via Drawings/Samples |
Standard Catalog Items Only |
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Surface Finish |
Long-lasting Anti-Rust Treatments |
Basic Oil Coating (Prone to Rapid Rust) |
Maintenance
Maintenance Guide for Extended Sprocket Life
Regular Lubrication
Apply high-grade industrial chain lubricant daily or integrate automatic drip/oil bath systems to minimize metallic friction.
Alignment Checks
Inspect axial and angular alignment using laser alignment tools every 500 operating hours to prevent uneven lateral tooth wear.
Chain Tension Monitoring
Maintain proper chain slack; over-tightening leads to rapid tooth profile wear, while excessive slack causes tooth skipping.
Periodic Wear Inspection
Measure tooth thickness and check for hooked teeth profile; replace sprockets when tooth wear exceeds 10% of initial thickness.
Operational Precautions & Safety Guidelines
- Always Replace Chains & Sprockets Together: Running a new roller chain on a worn sprocket (or vice versa) causes rapid wear on the new component.
- Never Exceed Maximum Rated Speeds/Torque: Operating beyond design thresholds risks tooth shearing, hub fracture, and system breakdown.
- Ensure Secure Shaft Locking: Verify keyway tolerances, setscrew tightness, and bushing torque values prior to initial system startup.
- Avoid Debris Contamination: Install protective guards around drive assemblies in dusty or outdoor environments to avoid abrasive tooth wear.
How To Cooperate With Us
Inquiry & Drawing Submission: Send us your technical drawings, 3D models, or standard part numbers with required quantities.
Engineering Assessment & Quotation: Our engineering team evaluates design feasibility and provides a competitive quote within 24 hours.
Sample Verification & Prototype: Sample production and dimensional inspection reports provided for approval before bulk order.
Mass Production & In-Process QC: Rigorous manufacturing controls with real-time progress updates.
Global Delivery & Logistics Support: Sea, air, or express shipping with full export documentation and custom clearance support.
Our Service
Comprehensive B2B Customer Support Services
Pre-Sales Engineering Consultation
Free CAD/3D drawing review, material selection guidance, and torque calculation support.
Custom OEM & ODM Manufacturing
Tailor-made sprockets designed specifically for non-standard equipment and restricted spatial footprints.
After-Sales Quality Guarantee
100% replacement or compensation guarantee for any manufacturing defects or dimensional discrepancies within the warranty period.
Installation & Integration Guidance
Remote technical support and detailed video guides for shaft mounting, taper bushing installation, and drive setup.
Customer Cases
Proven Track Record with Global OEMs
Case 1:
Custom hardened double-strand sprockets supplied for a European agricultural machinery manufacturer, extending drive component lifespan by 40%.
Case 2:
Stainless steel 316 drive sprockets supplied to a North American food packaging machinery enterprise with zero corrosion failures over 3 years.
Our Certifications
Trusted Supplier to Industry Leaders
Partnering with drive system distributors, agricultural equipment builders, and conveyor system integrators across Europe, North America, Southeast Asia, and the Middle East.
Our Factory & Facilities
Advanced Manufacturing Facility & Production Capacity
15,000+ m2 Modern Manufacturing Facility
50+ High-Precision CNC Lathes, Gear Hobbing Machines, and Broaching Machines
In-house Automatic Induction Hardening Lines & Chemical Plating Workshops
Inspection Lab: CMM, Universal Tensile Tester, Hardness Tester, and Optical Projectors
FAQ
Q: What materials are available for your industrial sprockets?
A: We manufacture sprockets using C45 carbon steel, 40Cr alloy steel, stainless steel (304, 316, 201), cast iron (HT250), ductile iron, brass, and engineering plastics (Nylon/POM).
Q: Do you produce both standard and custom sprockets?
A: Yes, we offer a comprehensive range of ANSI, DIN, BS, and ISO standard sprockets, as well as 100% customized sprockets made according to your drawings or physical samples.
Q: What heat treatment options do you offer for sprockets?
A: We provide tooth high-frequency induction hardening (HRC 45–55), overall quenching and tempering, carburizing, and nitriding to meet specific hardness requirements.
Q: How do I select the right sprocket for my application?
A: Key factors include chain pitch, number of teeth, bore size, shaft mounting method, working environment (corrosive or clean), and torque/operating speed requirements.
Q: What is your typical lead time for custom sprocket orders?
A: Standard samples take 7–10 days, while mass custom production orders typically require 20–30 days depending on complexity and order volume.
Q: What bore configurations do you support?
A: We offer stock bore, finished bore with keyway and set screws, Taper-Lock bore (TLB), Quick-Disconnect bore (QD), and spline bore configurations.
Q: How do hardened teeth sprockets differ from standard sprockets?
A: Hardened teeth sprockets undergo localized heat treatment on the tooth profile, providing significantly higher wear resistance while maintaining the hub's structural ductility.
Q: Can you provide sprockets with special surface coatings?
A: Yes, options include black oxide finish, electro-zinc plating (yellow/white), nickel plating, phosphate coating, Dacromet, and specialized anti-corrosion paint.
Q: What international standards do your sprockets comply with?
A: Our sprockets comply with ANSI B29.1, DIN 8187, DIN 8188, ISO 606, BS 228, and JIS standards.
Q: Why should sprockets and chains be replaced at the same time?
A: Mismatched wear between an old sprocket and a new chain accelerates pitch stretch and tooth damage, severely reducing drive efficiency and operating lifespan.
Q: What is the minimum order quantity (MOQ) for custom sprockets?
A: Our flexible production lines allow for low MOQ testing orders, usually starting from 50–100 pieces for custom items and 10 pieces for standard stock sizes.
Q: Do you provide technical CAD/3D drawings before production?
A: Yes, our engineering department provides detailed 2D (DWG/PDF) and 3D (STEP/IGS) drawings for customer approval prior to full-scale manufacturing.
Q: How do you guarantee sprocket quality and pitch accuracy?
A: We conduct 100% pitch inspection using specialized pitch gauges, CMM measurement systems, and hardness testing equipment before factory dispatch.
Q: Can your sprockets handle high-temperature or corrosive environments?
A: Absolutely. We recommend SS304/SS316 stainless steel or specialized heat-resistant alloy sprockets for extreme thermal or chemical conditions.
Q: What packaging methods do you use for sea export?
A: Products are coated with anti-rust oil, wrapped in plastic film, packed in sturdy cardboard boxes, and secured inside fumigated wooden crates or export pallets.
Q: What is the difference between Type A, Type B, and Type C sprockets?
A: Type A is a flat plate without hubs; Type B has a hub extended on one side; Type C features hubs on both sides for balanced shaft support.
Q: Do you offer idler sprockets with built-in bearings?
A: Yes, we supply pre-assembled idler sprockets equipped with high-grade sealed ball bearings ready for immediate installation.
Q: How do I request an accurate price quote?
A: Simply click "Get a Quote", send your required part number or CAD drawing, material preference, tooth count, surface treatment, and target order quantity to our team.
Q: What payment terms do you support for international buyers?
A: We accept T/T (Telegraphic Transfer), L/C at sight, PayPal for sample orders, and flexible credit terms for long-term strategic partners.
Q: Can you help troubleshoot sprocket drive noise and excessive wear?
A: Yes, our technical support engineers provide free diagnostics on chain misalignment, lubrication insufficiency, and load matching to optimize your drive system.
Anhui Huihuang Chain Transmission Co., Ltd. is one of the most professional sprocket manufacturers and suppliers in China, also supports high quality customized service. Please feel free to buy discount sprocket made in China here from our factory. Welcome to contact us for pricelist and free sample.