Henan Yizhi Machinery Co., Ltd
| Payment Terms | L/C, D/P, T/T, Western Union |
| Supply Ability | 100 Pieces/Month |
| Delivery Time | 75 Days |
| Packaging Details | Plywood Crate |
| Material | 20CrNiMo |
| Gear Profile Type | Double Helical Gear |
| Heat Treatment | Quenching & Tempering |
| Hardness | 260-300 HB |
| Manufacturing Process | Gear Milling |
| Quality Grade | ISO 8-9 |
| Brand Name | YIZGEAR |
| Model Number | DB22072202 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C, D/P, T/T, Western Union | Supply Ability | 100 Pieces/Month |
| Delivery Time | 75 Days | Packaging Details | Plywood Crate |
| Material | 20CrNiMo | Gear Profile Type | Double Helical Gear |
| Heat Treatment | Quenching & Tempering | Hardness | 260-300 HB |
| Manufacturing Process | Gear Milling | Quality Grade | ISO 8-9 |
| Brand Name | YIZGEAR | Model Number | DB22072202 |
| Place of Origin | CHINA | ||
| High Light | 25T herringbone helical gear Shaft ，DP 1.5 Double Helical Gear Shaft ，herringbone gear shaft For Mining Equipment | ||
DP 1.5 25T Doubel Helical Gear Shaft for Mining Equipment
1) Material of doubel helcial gear
42CrMo or 40CrNiMoA steel are widely used for the double helcial gear and gear shaft.
2) Heat treatment of doubel helical gear
Double helcial gear usually only with quenching and tempering heat treatment
3) Features of double helical gear
Double helical gear with both left-hand and rignt-hand helcial gear teeth.
| Products | Double Helical Gear |
| Custom Made | √ |
| Gear Profile Type | Cylindrical Gear |
| Manufacturing | Gear Milling |
| Teeth Grinding | √ |
| Module (M) | 12.117 |
| Number of Teeth (Z) | 25 |
| Pressure Angle (α) | 20° |
| Lead Angle | 15° |
| Teeth Accuracy Grade | ISO 8-9 Grade |
| Heat Treatment | Quenching & Tempering |
| Surface Hardness | 260-300HB |
| 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 | |
Cutting Milling
Heat Treatment Grinding Inspection
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2016
Total Annual:
1.0 Million-1.5 Millon
Employee Number:
50~200
Ecer Certification：
Verified Supplier
YIZHI MACHINERY which is equipped with a full range of machining capabilities to satisfy customer needs. Our team has extensive experience in precision gearing systems for numerous industries. We have supplied gears for mining equipment, power tools, hydraulic pumps and the rail transit industry.... YIZHI MACHINERY which is equipped with a full range of machining capabilities to satisfy customer needs. Our team has extensive experience in precision gearing systems for numerous industries. We have supplied gears for mining equipment, power tools, hydraulic pumps and the rail transit industry....
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