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Brand Name : YIZGEAR
Model Number : DB220804002
Place of Origin : CHINA
MOQ : 1 Piece
Price : $500/ Piece
Payment Terms : L/C, D/P, T/T, Western Union
Supply Ability : 100 Pieces/Month
Delivery Time : 75 Days
Packaging Details : Plywood Crate
Brand : OEM
Gear Profile Type : Double Helical Gear
Tooth Number : 43
Hardness : 58-62 HRC
DP : 6.35
Quality Grade : ISO 6-7 Grade
1) Description of Double Helical Gear
Double Helical Gear is characterized by a symmetric arrangement of two identical gear teeth with exactly
opposite helix angles.
2) Feature of Double Helical Gear
The double helical gear' axial forces in the gearbox negate each another.
3) Advantages of Double Helical Gear
a) They develop opposite thrust reactions thus cancel out the thrust force within the gear itself.
b) The net axial force that acts on the bearings is zero.
c) Power transmitting capacity is very high.
d) By using this high pitch line velocities can be attained.
Products | Double Helical Gear |
Custom Made | √ |
Gear Profile Type | Cylindrical Gear |
Gear Teeth manufacturing | Gear Grinding |
Gear Teeth Grinding | √ |
DP (M) | 6.35 |
Number of Teeth (Z) | 43 |
Pressure Angle (α) | 20° |
Helix Angle (β) | 31° |
Teeth Accuracy Grade | ISO 6-7 Grade |
Heat Treatment | Carburizing |
Surface Hardness | 58-62 HRC |
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 |
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17CrNiMo6 Herringbone Double Helical Gears DP 6.35 For Gear Reducer Images |