Metric Spline Shaft
| Process | Turning, Hobbing, Milling, Shaping, Broaching,Shaving, Grinding and Lapping |
| Heat treat | Quenching & Tempering, Carburizing & Quenching, High-frequency Hardening, Carbonitriding etc. |
| Finishing | Blacking, Polishing, Anodization, Chrome Plating, Zinc Plating, Nickel Plating |
| Module | 1∼30 |
| Features | The most common type of gear; Easy to manufacture; No axial force when running; Economical and good quality consistence. |
| Applications | GeneralTransmission Components; OffshoreDrilling |
Regular Materials and Heat Treatment | |||||
GB/JB | DIN | JIS | SAE/AISI | Case Hardening | Case Hardness |
40CrNiMo | 34CrNiMo6 | SNCM439 | 4340 | Nitriding | 46-50HRC |
20CrMo | 20CrMo44 | SCT42 | 4119/4118 | Carburizing | 42-45HRC or 55-60HRC |
20CrNiMo | -- | SNCCM220 | 8620 | Carburizing | 55-60 HRC or 58-62 HRC |
20CrMnTi | -- | -- | -- | Carburizing | 55-60 HRC |
Heat Treatment Cycle: Carburizing /Nitriding → Normalize → Quench → Clean → Temper → Shot Blast
Precision Grade , Process Methods and Application Standard : GB 10095-88,DIN 3961-78;ISO 1328-75/GB 10095-88;JIS 1702-74; AGMA 39003-71 | |||||
Precision grade | Grade 5 | Grade 6 | Grade 7 | Grade 8 | Grade 9/10 |
Modulerange | Gleason M10∼M40 | Spur/helical M3∼M40 | Spur/helical M3∼M40 | Spur/helical M3∼M40 | Spur/helical M3∼M40 |
Outside Dia(max) | φ1500mm | Φ2000mm | Φ2000mm | Φ3000mm | Φ3000mm |
Final Process | fine grinding | fine grinding or shaving | grinding, shaving, lapping | shaving | -- |
Teeth Surface Roughness | Ra 0.8 μm | Ra 0.8 μm | Ra 1.6μm | Ra 1.6-3.2μm | Ra 3.2-6.3μm |
Application | Measuring gear | locomotive | crane forging machine tractors, trucks universal reducer | crane farmmachinery forging machine tractors,trucks universal reducer | crane farm machinery forging machine mine machinery tractors |
