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 | SAE 4340 |
| Helix angle | 5° |
| Hardness | 260-300 HB |
| DP | 1.5 |
| Module | 16.933 |
| Face Width | 609.6 |
| Brand Name | YIZGEAR |
| Model Number | DB22082204 |
| 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 | SAE 4340 | Helix angle | 5° |
| Hardness | 260-300 HB | DP | 1.5 |
| Module | 16.933 | Face Width | 609.6 |
| Brand Name | YIZGEAR | Model Number | DB22082204 |
| Place of Origin | CHINA | ||
| High Light | 24T Double Helical Gears Shaft ，SAE 4340 double helical gear shaft ，SAE 4340 double helical spline shaft | ||
1) Features of Double helix Gears
a) Double helical gears are similar to a worm gear but the teeth are on two opposite sides of the gear, which provides a reduction ratio of 1:2.
b) Double helical gears have very high load capacity and are suitable for heavy-duty applications.
c) They have a large number of teeth which helps in the reduction of heat build-up, hence they can last longer.
d) They provide an increased reduction ratio in comparison to standard worms gears.
e) Helical gears can be used with both parallel and non-parallel shafts.
f) The tooth profile is more efficient than that of a worm gear.
g) Double helical gears have fewer parts in comparison to worms gears.
h) They produce low noise.
| Products | Double Helical Gear |
| Custom Made | √ |
| Gear Profile Type | Cylindrical Gear |
| Gear Teeth manufacturing | Gear Milling |
| Gear Teeth Grinding | √ |
| DP | 1.5 |
| Number of Teeth (Z) | 24 |
| Pressure Angle (α) | 20° |
| Helix Angle (β) | 5° |
| Teeth Accuracy Grade | ISO 9 Grade |
| Heat Treatment | Queching & 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 | |
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
YIZGEA 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. ... YIZGEA 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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