Internal Helical Gear
2.Material:45#steel,20CrMnTi,40CrNiMo,SAE4340,42CrMo,AISI4140,18CrNiMo7,17CrNiMo6,20CrNiMo,AISI8620,20CrNi2Mo,SAE4320
3.Processing Techniques:Cutting,hobbing,milling,grinding
4.Heat Treatment:Carburising,quenching and tempering,induction hardening
5.Precision Grade:ISO 5-6 Grade
6.Load Capacity:High
7.Tooth Grinding:Yes
8.Applications:Planetary gear reducers,winches,machine tool feed mechanisms,transmission systems for lifting equipment
- Product Description
Internal Helical Gear - Precision Engineered Power Transmission Solutions
Henan Yizhi Machinery Co., Ltd. specializes in manufacturing high-precision Internal Helical Gear frameworks with 15 a long time of demonstrated involvement. Our enterprise-grade product solutions provide extraordinary load-bearing capacity and transmission steadiness for requesting mechanical applications. We keep up ISO certification guidelines whereas accomplishing exactness grades of ISO 5-6. With comprehensive customization capabilities traversing modules from 0.5-50 and helix points of 5°-45°, we address multi-industry obtainment requests. Our progressed fabricating handle guarantees conveyance inside 35-60 days, sponsored by comprehensive quality assurance.
What is an Internal Helical Gear?
The item is a specialized control transmission component including teeth cut into the internal surface of a barrel at a particular helix point. Not at all like straight-cut gears, these components give predominant stack dissemination and diminished clamor levels.
The helical plan makes progressive tooth engagement, which essentially decreases vibration and transmission mistakes. This makes them perfect for applications requiring smooth, calm operation beneath tall loads.
These gears exceed expectations in planetary equip frameworks where space optimization is vital. The concave tooth geometry permits for higher torque thickness whereas keeping up compact dimensions.

Key Features and Advantages
Superior Engineering Design
Our product systems offer amazingly compact structure with tall transmission soundness. The helical tooth design gives great load-bearing capacity through expanded contact ratios.
Flexible Customization Options
We give adaptable equip proportion plan to meet particular application necessities. Our custom administrations suit one of a kind determinations, and we acknowledge moo least arrange amounts, counting single-item production.
Advanced Manufacturing Capabilities
Our generation office highlights universally driving exactness fabricating hardware. We utilize high-precision CNC adapt machining centers, completely robotized equip pounding machines, and cleverly warm treatment generation lines.
Quality control utilizes high-accuracy assessment disobedient all through the fabricating prepare. This guarantees reliable item quality assembly universal standards.
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 5-6 Grade |
| Load Capacity | High |
| Tooth Grinding | Available |
Materials and Processing
Premium Materials
We utilize high-grade alloy steels including:
- 45# steel, 20CrMnTi, 40CrNiMo
- SAE4340, 42CrMo, AISI4140
- 18CrNiMo7, 17CrNiMo6, 20CrNiMo
- AISI8620, 20CrNi2Mo, SAE4320
Advanced Processing Techniques
Our fabricating utilizes cutting, hobbing, processing, and crushing forms. Warm treatment alternatives incorporate carburizing, extinguishing and hardening, and acceptance hardening.
These forms guarantee ideal fabric properties and dimensional exactness for requesting applications.

Applications
Industrial Applications
Internal Helical Gear systems serve critical roles in:
- Planetary equip reducers
- Winches and lifting equipment
- Machine device nourish mechanisms
- Transmission frameworks for overwhelming machinery
Automotive and EV Systems
These gears shape basic components in programmed transmissions and crossover vehicle frameworks. They give the smooth torque exchange vital for advanced traveler consolation and electric vehicle hush requirements.
Precision Robotics
In mechanical mechanical technology and accuracy reducers, these gears minimize backfire and vibration. This guarantees tall situating exactness and repeatability beneath variable stack conditions.
Quality Assurance and Delivery
Comprehensive Protection
We utilize customized bundling with shock-absorbing padding liners and custom wooden beds. This end-to-end assurance diminishes transport harm rates to underneath 0.1%.

Flexible Shipping Options
Our multi-channel transport framework coordinating ocean cargo, discuss cargo, and China-Europe cargo trains. We coordinate arrangements to your arrange volume and conveyance requirements.
Real-time Tracking
End-to-end visual following gives peace of intellect with live overhauls from plant stacking to client conveyance. You can screen shipment advance anytime, anywhere.
Service Support
- Pre-sales: Plan drawings and specialized consultation
- During deals: Test arrangement, generation overhauls, quality inspection
- After-sales: One-year guarantee with quick response
FAQ
Q: What helix angles can you manufacture?
A: We manufacture helix angles from 5° to 45°, customized based on your specific application requirements and load conditions.
Q: What is your minimum order quantity?
A: We accept low minimum order quantities and can accommodate single-item production for prototype or specialized applications.
Q: How do you ensure quality consistency?
A: We maintain ISO certification and utilize advanced inspection equipment throughout production. Our standardized processes ensure consistent quality meeting ISO 5-6 precision grades.
Q: What delivery timeframes should I expect?
A: Standard delivery is 35-60 days depending on customization requirements and order complexity. We provide regular progress updates throughout production.
Q: Can you provide design assistance?
A: Yes, our technical team offers comprehensive design consultation and can create custom drawings based on your application specifications.
Contact Us
Ready to enhance your transmission systems? Contact our experts at sales@yizmachinery.com for customized Internal Helical Gear solutions today.











