Internal Helical Gear Cutting
2.Material:45#steel,20CrMnTi,40CrNiMo,SAE4340,42CrMo,AISI4140,18CrNiMo7,17CrNiMo6,20CrNiMo,AISI8620,20CrNi2Mo,SAE4320
3.Load Capacity:High
4.Heat Treatment:Carburising,quenching and tempering,induction hardening
5.Tooth Grinding:Yes
6.Precision Grade:ISO 6 Grade
7.Processing Techniques:Cutting,hobbing,milling,grinding
8.Applications:Planetary gear reducers,winches,machine tool feed mechanisms,transmission systems for lifting equipment
- Product Description
Internal Helical Gear Cutting - Precision Manufacturing Solutions
Henan Yizhi Machinery's Internal Helical Gear Cutting services deliver enterprise-grade precision manufacturing solutions. Our advanced manufacturing capabilities feature ISO 6 Grade precision with modules extending from 0.5–50 and customizable helix points between 5°–45°. With 15 a long time of generation encounter and standardized 35-60 day conveyance plans, we guarantee predominant load-bearing capacity through specialized preparing strategies counting cutting, hobbing, processing, and pounding. Our comprehensive warm treatment options—carburising, extinguishing and treating, and acceptance hardening—achieve surface hardness determinations of 45-50 HRC to 58–62 HRC, assembly requesting necessities for planetary adapt reducers, winches, machine instrument components, and transmission systems.

What Makes Our Internal Helical Gear Cutting Special?
Internal helical gears speak to a modern building arrangement where teeth are accurately cut on the inward surface of empty rings. Not at all like straight inner goad gears, our helical cutting handle makes teeth slanted relative to the rotational pivot. This plan guarantees both the inner adapt and outside pinion pivot in the same course whereas fitting along smooth involute curves.
The geometric focal points are exceptional. You get higher contact proportions than outside equip arrangements, which significantly diminishes vibration and clamor. This makes our product perfect for applications where smooth operation is critical.
Technical Specifications
| Parameter | Specification | |
|---|---|---|
| Number of teeth | Customized | |
| Module | 0.5–50 | |
| Helix angle | 5°–45° | |
| Surface hardness | 45-50 HRC, 58–62 HRC | |
| Precision Grade | ISO 6 Grade | |
| Load Capacity | High | |
| Tooth Grinding | Yes | |
| Material Options | Heat Treatment Options | Processing Techniques |
| ------------------ | ------------------------ | ---------------------- |
| 45#steel | Carburising | Cutting |
| 20CrMnTi | Quenching and tempering | Hobbing |
| 40CrNiMo | Induction hardening | Milling |
| SAE4340 | Grinding | |
| 42CrMo | ||
| AISI4140 | ||
| 18CrNiMo7 |
Key Advantages You'll Experience
Compact Plan Fabulousness: Our cutting prepare makes greatly compact equip structures. You can accomplish higher torque transmission in littler spaces compared to outside equip systems.
Superior Transmission Soundness: The helical tooth profile gives slow engagement. This implies smoother operation with diminished stun loads amid start-stop cycles.
Exceptional Load-Bearing Capacity: Numerous teeth stay in contact at the same time. Your gears can handle higher loads without compromising performance.
Flexible Customization: We oblige your particular equip proportion necessities. Whether you require single models or volume generation, our Internal Helical Gear Cutting services adapt to your needs.
Applications Across Industries
Automotive Transmissions: Electric vehicle decrease gears advantage from our accuracy cutting. High-speed applications up to 15,000+ RPM require the smooth engagement our helical profiles provide.
Construction Apparatus: Overwhelming hardware slewing drives request large-module inside helical gears. Our cutting handle guarantees these gears handle colossal outspread and pivotal loads reliably.
Aerospace Frameworks: Exactness actuators and mechanical joints require zero-backlash execution. Our cutting precision underpins the tight resistances these applications demand.
Machine Instruments: Bolster components in fabricating hardware depend on our product for exact situating and smooth operation.
Our Manufacturing Process
We take after a demonstrated six-step workflow that guarantees steady quality:
- Requirement Communication: We examine your details in detail
- Design Drawings: Specialized meeting and drawing development
- Production Handling: Progressed CNC machining and cutting operations
- Quality Review: Comprehensive testing to ISO standards
- Packaging: Custom security with harm anticipation guarantee
- Transportation: Multi-channel coordinations with real-time tracking
Our global-leading exactness fabricating hardware incorporates high-precision CNC adapt machining centers and completely mechanized equip pounding machines. This innovation guarantees your Internal Helical Gear Cutting projects meet exact specifications.
Quality Assurance
Quality control in inner helical adapt fabricating requires specialized consideration. We screen basic parameters including:
- Profile and lead mistakes over the total tooth surface
- Pitch deviation for appropriate stack sharing
- Runout concentricity with reference datums
- Surface unpleasantness and bend measurements
Our assessment prepare employments progressed CNC Gear Measuring Centers. Double flank roll testing ensures composite accuracy for high-volume automotive applications.

Service Support
Pre-sales Back: Plan meeting and specialized drawings
Production Upgrades: Real-time advance following and test provision
After-sales Care: One-year guarantee with quick reaction resolution
We give end-to-end visual following for total peace of intellect. Your shipment advance overhauls arrive at each arrange from manufacturing plant stacking to last delivery.
Frequently Asked Questions
Q: What helix angles can you achieve in internal helical gear cutting?
A: We manufacture internal helical gears with helix angles ranging from 5° to 45°, depending on your specific application requirements and machining method constraints.
Q: What precision grades do you guarantee?
A: Our product services achieve ISO 6 Grade precision directly after cutting, suitable for high-precision automotive and aerospace applications.
Q: Do you accept small quantity orders?
A: Yes, we accommodate low minimum order quantities and accept single-item production for prototypes and specialized applications.
Q: What materials can you process?
A: We work with various steel grades including 45#steel, 20CrMnTi, 40CrNiMo, SAE4340, and other specialized alloys depending on your load requirements.
Q: How long does delivery typically take?
A: Standard delivery time ranges from 35-60 days, depending on complexity and quantity. We provide precise scheduling during the quotation process.
Contact Us
Ready to discuss your Internal Helical Gear Cutting requirements? Contact our technical team at sales@yizmachinery.com for expert consultation and competitive quotations.











