25 Module Girth Gears for Ball Mills - ISO 8 Grade, 230-260 HB Hardness, Custom Steel Castings
Price:
$1500/ Piece
MOQ:
1 Piece
Delivery Time:
90 Days
Brand:
YIZGEAR
Product Description
25 Module Casting Steel Custom Made Girth Gears for Ball Mills
Product Overview
High-performance 25 module girth gears specifically engineered for ball mill applications in cement plants. Manufactured from premium alloy steel castings with capacities up to 150 tons or Ø12.5 meters per gear set.
Manufacturing Excellence
- Alloy steel castings and forgings for superior durability
- Precision gear tooth and root grinding for optimal accuracy
- Comprehensive quality inspection with in-board testing head
- Verification of tooth profile, lead, pitch, run out and span values
Technical Specifications
| Parameter | Specification |
|---|---|
| Custom Made | Available |
| Gear Profile Type | Cylindrical Gears |
| Manufacturing Process | Gear Milling/Gear Hobbing |
| Teeth Grinding | Included |
| Module (M) | 25 |
| 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 |
Steel Code Grades Comparison
| CHINA/GB | ISO | ГΟСТ | 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