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Tailored Ring Gear Internal External 1 Year Warranty Free Technical Drawing Review Custom Service
Product Spotlights
Custom internal/external ring gears with free technical drawing review, 1-year warranty, and full customization. ISO9001 certified factory with 10,000+ sqm facility. Short lead times, precise to DIN 4-6 grade, wide material and heat treatment options. Trusted by global clients across 20+ markets.
Negotiable
MOQ: 1 Piece (Price negotiable depending on order volume and customization)
Key Specifications
Get Latest Price
Type:
Other, Internal / External
Material:
Steel or customized alloy
Tooth Profile:
Customizable (involute, etc.)
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
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Type
Other, Internal / External
Material
Steel or customized alloy
Tooth Profile
Customizable (involute, etc.)
Processing Method
Hobbing, shaping, grinding
Heat Treatment
Carburizing, quenching, tempering optional
Hardness
Customized (HRC 58-62 typical)
Warranty
1 Year
Custom Service
Free technical drawing review
Application
Industrial machinery, transmission systems
Size
Customized per drawing
Welcome to Henan San Kuang Machinery Technology Co., Ltd. – your trusted partner for high-precision tailored ring gears. As a manufacturer established in 2014 with a 10,000-30,000 square meter facility and annual export value between US$2.5 million and US$5 million, we specialize in producing custom internal and external ring gears that meet the most demanding industrial requirements. Every gear we deliver comes with a 1-year warranty, free technical drawing review service, and full customization support. Our engineering team works closely with you to ensure the gear design matches your exact application, optimizing performance and durability from the very first prototype.
Product Features & Technical Specifications
- Custom Internal & External Ring Gears – Available in both internal and external tooth configurations to suit planetary gear systems, differentials, slewing drives, and other power transmission assemblies.
- Tailored Dimensions & Tooth Profiles – We manufacture according to your drawings or 3D models. Common tooth profiles include involute, cycloidal, and modified forms. Size range from small precision gears up to large diameter rings (up to 3 meters or larger upon request).
- Material Selection – Standard materials include 20CrMnTi, 40Cr, 42CrMo, and 20CrNi2Mo. Alternative alloys or specialized steels are available as per your specification. All materials are sourced from certified mills.
- Heat Treatment Options – We offer carburizing, quenching, tempering, and nitriding to achieve desired surface hardness and core toughness. Hardness levels can be customized (e.g., HRC 58-62 for tooth surface).
- Precision Machining – Using advanced hobbing, shaping, and gear grinding machines, we achieve DIN 6 to DIN 4 grade accuracy. Runout and pitch error are strictly controlled within your tolerance limits.
- Quality Control – Each gear undergoes 100% inspection including dimensional measurement, hardness testing, and gear rolling test. Our quality management system is ISO9001 certified, ensuring traceability and consistency.
- Free Technical Drawing Review – Send your gear design to our engineers for a professional review. We check for manufacturability, load capacity, and potential improvements — at no cost. This service helps avoid costly redesigns later.
- 1-Year Warranty – Every ring gear is backed by a one-year warranty against defects in material and workmanship. We stand behind our products.
Typical Parameters (Example – Customizable)
| Parameter | Standard Range | Notes |
|---|---|---|
| Module | 2 – 20 mm | Other modules upon request |
| Number of Teeth | 20 – 200+ | As per design |
| Outer Diameter | 100 – 3000 mm | Larger sizes possible |
| Face Width | 20 – 500 mm | Customizable |
| Accuracy Grade | DIN 6 – DIN 4 | Higher grades available |
| Surface Hardness | HRC 55 – 62 | Depending on heat treatment |
Customer Benefits
- Reduce Engineering Risk – Our free drawing review catches design flaws before production, saving you time and money.
- One-Stop Customization – From material selection to final heat treatment, we handle all aspects of gear manufacturing. You receive a ready-to-install ring gear.
- Short Lead Times – With our experienced team and efficient production line, typical custom gear delivery is 4-8 weeks (depending on complexity).
- Reliable After-Sales – The 1-year warranty gives you peace of mind. Our support team is available for technical questions even after delivery.
Why Choose Henan San Kuang Machinery?
Since 2014, we have served clients across North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. Our factory spans over 10,000 square meters and employs 51-100 skilled workers. We maintain rigorous quality control through ISO9001 and other management system certifications (including environmental and occupational health standards). Our annual export value exceeding US$2.5 million demonstrates the trust international customers place in our products. With ports of shipment including Shanghai, Lianyungang, Qingdao, and Tianjin, we ensure smooth logistics worldwide.
Ready to order your custom ring gear? Send us your drawing or requirements today. Our engineering team will review it for free and provide a detailed quotation. Contact us via trade manager or email – we look forward to partnering with you for high-quality gearing solutions.
Frequently Asked Questions (FAQ)
-
Q: What information do you need to provide a quote for a custom ring gear?
A: We need your drawing (PDF, DWG, or STEP), including tooth profile, dimensions, material preference, and quantity. If no drawing is available, we can help design based on your application parameters. -
Q: Is the technical drawing review really free?
A: Yes, absolutely. Our engineers will evaluate your design for manufacturability and load capacity at no charge. This is part of our custom service commitment. -
Q: What is the minimum order quantity (MOQ)?
A: MOQ is typically 1 piece for custom ring gears. However, for small gears (under 200mm OD), MOQ may be 10 pieces. Please contact us for details. -
Q: How long does production take?
A: Lead time depends on size and complexity. Generally 4-6 weeks for medium gears and 6-8 weeks for large gears. Rush orders may be possible with prior agreement. -
Q: Do you provide samples before mass production?
A: Yes, we can produce a prototype for your approval. Sample costs are negotiable and may be refunded with bulk orders. -
Q: How do you ensure gear quality?
A: We follow ISO9001 procedures. Each gear is 100% inspected for dimensions, hardness, and runout. We also provide inspection reports upon request. -
Q: What materials do you commonly use?
A: Common materials include 20CrMnTi, 40Cr, 42CrMo, and 20CrNi2Mo. We also work with stainless steel and special alloys. Let us know your requirement. -
Q: What is your warranty policy?
A: We offer a 1-year warranty against manufacturing defects. If any issue arises due to our workmanship, we will repair or replace the gear free of charge.
Send Inquiry to This Supplier
1Yr
Year Established
2014
Factory Size
10,000-30,000 square meters
Annual Export Value
US$2.5 Million - US$5 Million
Total Employees
51 - 100 People
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