轉軸與溝槽的要求


為充分發揮HiperLip的優異性能與耐用性,並避免安裝不當導致密封件受損,軸的密封面與密封件溝槽必須有適當的加工。安裝時,聚四氟乙烯密封唇必須彎向壓力側。

  • 軸表面硬度≧40 HRC(潤滑不良或高速運轉的場合≧58 HRC)
  • 表面研磨並抛光以去除銳角,表面粗度Ra=0.2~0.5 μm,真空應用Ra≦0.2 μm
  • 軸徑尺寸公差h11
  • 端面導角15° to 30°
溝槽
  • 表面粗度 Ra≦0.8 μm
  • 溝槽尺寸公差H8
  • 端面導角5° to 15°

Housing and Shaft recommendations Shaft
  • Hardness≧40 HRC(for poor lubrication and high speed≧58 HRC)
  • Surface roughness Ra=0.2~0.5μm for general applications,Ra≦0.2 μm in Vacuums
  • Tolerance h11,ISO tandard 286 Plunge grind surface finish
  • Lead-in chamfer 15° to 30°
Housing bore
  • Surface roughness Ra≦0.8 μm for casing bore
  • Tolerance H8,ISO standard 286
  • Lead-in chamfer 5° to 15°