Custom Segmented Cylindrical Girth Gear and Pinion Spur Gear with 230-260 HB Hardness and ISO 8-9 Grade Accuracy for Industrial Applications
Price:
$1500/ Piece
MOQ:
1 Piece
Delivery Time:
90 Days
Brand:
YIZGEAR
Product Description
Custom Segmented Cylindrical Girth Gear and Pinion Spur Gear
Custom manufactured segmented girth gears designed for heavy-duty industrial applications in cement plants, mining operations, and metallurgical processing facilities.
Product Overview
Girth gears are large-diameter ring gears paired with pinion gears that serve as primary transmission components in large rotating machinery. These segmented cylindrical gears efficiently transmit power to cylinders or drums in industrial equipment.
Key Features and Advantages
- Large diameter construction (typically exceeding 1 meter, with maximum diameters reaching tens of meters)
- Exceptional load-bearing capacity for heavy-duty applications
- High torque transmission capability for industrial machinery
- Stable gear ratios ensuring consistent performance
- Optimized for low-speed, heavy-load transmission requirements
- High operational reliability in demanding environments
- Available in custom specifications and configurations
Working Principle
The girth gear is typically fixed at the end or mid-section of large rotating cylinders (such as ball mills or rotary kilns), meshing with a pinion gear mounted on a fixed base. When the pinion rotates via electric motor drive, the meshing action drives the girth gear and connected cylinder to rotate synchronously. The difference in tooth count between components achieves reduction transmission, efficiently transferring power to the cylinder for material grinding, calcination, and processing operations.
Industrial Applications
- Ball mills and rod mills in mining operations
- Cement rotary kilns in building materials production
- Calcining rotary kilns in metallurgical processes
- Large mixing reactors in chemical processing plants
- Drying machines and other heavy industrial equipment
Technical Specifications
| Parameter | Specification |
|---|---|
| Custom Manufacturing | Available |
| Gear Profile Type | Cylindrical Gears |
| Manufacturing Process | Gear Milling / Gear Hobbing |
| Teeth Grinding | Included |
| Module (M) | Custom |
| Number of Teeth (Z) | Custom |
| Pressure Angle (α) | 20° |
| Lead Angle | Custom |
| Accuracy Grade | ISO 8-9 Grade |
| Heat Treatment | Quenching and Tempering |
| Surface Hardness | 230-260 HB |
Material Grade Comparison
| CHINA/GB | ISO | ГОСТ | ASTM | JIS | DIN |
|---|---|---|---|---|---|
| 45 | C45E4 | 45 | 1045 | S45C | CK45 |
| 40Cr | 41Cr4 | 40X | 5140 | SCr440 | 41Cr4 |
| 20CrMo | 18CrMo4 | 20ХМ | 4118 | SCM22 | 25CrMo4 |
| 42CrMo | 42CrMo4 | 38XM | 4140 | SCM440 | 42CrMo4 |
| 20CrMnTi | 18XГT | SMK22 | |||
| 20Cr2Ni4 | 20X2H4A | ||||
| 20CrNiMo | 20CrNiMo2 | 20XHM | 8720 | SNCM220 | 21NiCrMo2 |
| 40CrNiMoA | 40XH2MA/40XHMA | 4340 | SNCM439 | 40NiCrMo6/36NiCrMo4 | |
| 20CrNi2Mo | 20NiCrMo7 | 20XH2MA | 4320 | SNCM420 |
Production Equipment
Production Process
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Henan Yizhi Machinery Co., Ltd
Location
Taihong 19# South SongShan Road, Erqi Distict, Zhengzhou, China.
Contact Person
Kevin