| Place of Origin: | CHINA |
|---|---|
| Brand Name: | YIZGEAR |
| Model Number: | DB220804005 |
| Minimum Order Quantity: | 1 Piece |
| Price: | $700/ Piece |
| Packaging Details: | Plywood Crate |
| Delivery Time: | 75 Days |
| Payment Terms: | L/C, D/P, T/T, Western Union |
| Supply Ability: | 100 Pieces/Month |
| Profile Type: | Double Helical Gear | Width: | 80mm |
|---|---|---|---|
| Manufacturing Process: | Gear Hobbing | Tooth Number: | 35T |
| Quality Grade: | ISO 8-9 | Keyway: | 120mm |
| Highlight: | ZG 42CrMo Double Helical Gears,Double Helical Gear Wheel 35T,35T Gear Hobbing Double Helical Gears |
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Casting Steel ZG 42CrMo Double Helical Gears-Gear Wheel
1) Description of double helical gear
Double helical gear consists of two identical gears jointed on same axis, and having teeth in opposite directions
(one has left hand helix and other one has right hand helix).
2) Features of Double helical gear
a) Resultant thrust force developed in double helical gear is zero.
b) Double helical gear can transmit larger power.
c) High helix angle can be advantageously used in double helical gear
d) Double helical gear can provide higher efficiency.
| Products | Double Helical Gear |
| Custom Made | √ |
| Gear Profile Type | Cylindrical Gear |
| Manufacturing | Gear Hobbing |
| Teeth Grinding | √ |
| Module (M) | Custom Made |
| Number of Teeth (Z) | 35 |
| Pressure Angle (α) | 20° |
| Lead Angle | 22° |
| 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 | |
