Items | Linear shaft | Flexible shaft | Hollow shaft |
Material | S45C, Gcr15(SUJ2),SUS440 | S45C | Gcr15(SUJ2) |
Heat treatment | Induction hardened | Not hardened | Induction hardened |
Surface hardness | HRC58±2 | HRC15±3 | HRC60±2 |
Surface treated | Hard chrome plated | Hard chrome plated | Hard chrome plated |
Precision | h7, g6, h6 | h7, g6 | h7, g6, h6 |
Roundness | Max3.0µm | Max3.0µm | Max3.0µm |
Straightness | Max5.0µm | Max5.0µm | Max5.0µm |
Chrome thickness | 20-30µm | 30µm | 30µm |
Roughness | Max1.5µm | Max1.5µm | Max1.5µm |
Process machinized | Threading, reduced shaft dia,coaxial holes drilled and tapped, flats-single or multiple, key way, snap ring grooves, radial holes drilled and tapped, chamfering |